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5952E6

Air Traffic Control Navigational Aids Technician

E-6 (Staff Sergeant) · Marines

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

You are the approach safety authority for this airfield. Not the FAA — they certify the equipment. Not the air station operations officer — he plans the flight schedule. You. When a pilot shoots an ILS Category I approach to minimums at 0300 in quarter-mile visibility, the instrument guidance he is trusting was certified by your program, on your schedule, to a standard your section maintains. The MATCALS GySgt and the MATCALS CO advise above you; the FAA audits below you. But the calibration that says this TACAN is safe for instrument approaches today was produced by the Marines you trained, on the equipment you maintain, to the documentation standard you enforce. Own that sentence before you do anything else at this rank.

The Honest MOS Read
SSgt in the 5952 community is the section chief billet, and the job description that does not fit on a billet sheet is this: you are the bridge between the federal airspace safety framework and the Marine Corps maintenance execution program. The FAA does not care about the MEU workup schedule. It does not care that the MATCALS CO has competing priorities. The certification intervals in FAA Order 6310.6D and FAA Order 6310.1G are interval requirements, not suggestions, and the air station operating instrument approach procedures on an uncertified TACAN or an overdue ILS calibration is operating outside its airspace authorization regardless of what the flight schedule says. Your job is to maintain the certification program to the federal standard while simultaneously manning the section, developing the Sgts, writing the FitReps, and advising the OIC on what the airfield can actually certify versus what the operations officer wants to brief. The advisory function is new at SSgt and it is the piece the Sgt billet does not prepare you for. The MATCALS OIC is an officer — a captain or major who is responsible for the MATCALS program but who may not have the same depth of technical knowledge you have accumulated across years of TACAN and ILS maintenance. Your job is to give the OIC the accurate technical picture: what the maintenance record actually says, what the current system status actually certifies, and what the honest return-to-service timeline is for any system that is out of tolerance or approaching an interval. An OIC who is told 'the TACAN is fine' when the bearing drift is approaching the monitor threshold boundary makes operational planning decisions that the section chief will have to explain. An OIC who is told 'the TACAN is within tolerance but approaching the inner margin; I have a four-hour maintenance window built into the schedule on Tuesday that will re-center the calibration before the flight check arrives Thursday' can brief the operations officer accurately and plan around a known window. The SSbt section chief who gives the OIC the accurate technical picture — including the uncomfortable parts — is the section chief who builds the OIC's institutional confidence in the NAVAIDS program. The quarterly maintenance schedule is the administrative signature of the SSbt section chief's program management. The FAA certification intervals drive the schedule structure — TACAN 30/90/180-day checks, ILS periodic calibration, PAPI lamp cycle intervals, approach lighting circuit inspections — and the section chief builds the flight operations overlay on top of those intervals to identify maintenance windows that minimize operational disruption. This is not a schedule the section chief builds once and updates quarterly. It is a living document that the section chief reviews weekly, adjusts for equipment anomalies and NOTAM requirements, and shares with the ATC watch supervisor so the watch section can anticipate offline windows 30 days out instead of 24 hours out. The MATCALS CO reviews the quarterly schedule and signs off on the interval compliance posture. The section chief who hands the CO a schedule that shows every interval compliance date, every scheduled maintenance window, and every open discrepancy with a resolution timeline is the section chief who manages up effectively. The section chief who hands the CO a schedule that requires explanation is the section chief whose program management posture the CO is questioning. FAA coordination for ILS certification is the SSbt's most complex recurring coordination requirement. The ILS — localizer and glidepath — is a Category I precision approach aid that the FAA certifies through a combination of ground maintenance records and in-flight inspection. At marine corps air stations with civil airspace coordination agreements, the FAA flight check schedule is negotiated through the FAA Airway Facilities Sector office with input from the base operations officer and the MATCALS CO. The SSbt section chief coordinates the ground preparation — maintenance records current and formatted to FAA Order 6310.1G, system calibrated to the center of the tolerance band, all test equipment calibration current — and then manages the day-of ground coordination with the flight check crew. The result either certifies the ILS for continued instrument approach operations or produces a discrepancy list that the section chief briefs to the CO and the operations officer with a corrective action plan and an estimated re-certification timeline. A flight check callback is a program management event, not just a technical failure. The section chief's response to the callback — what the discrepancy was, why the ground calibration missed it, what the corrective action is, and when the re-check flight can be scheduled — is the brief the CO delivers to the air station commanding general. The FitRep program at SSbt is where the section chief's ability to develop Sgts becomes visible at the MATCALS and MAG level. You are writing FitReps on three to four Sgts per cycle under MCO 1610.7 — Section A observed-behavior narratives that the MATCALS OIC and CO build on top of with attribute evaluations and relative value placement. The Section A that describes, in action-result-impact language, what a specific Sgt did in a specific maintenance context with a specific measurable result is the Section A the CO can use as input for the battalion-level FitRep board without revision. The Section A that recites the Sgt's job title and character traits is the Section A the CO rewrites, and the section chief whose FitRep inputs are consistently rewritten by the CO is the section chief whose own FitRep narrative the CO writes with a different read on judgment. The expeditionary NAVAIDS element leadership role is the operational execution piece that distinguishes the SSbt section chief from the section NCOIC. When the MATCALS unit deploys an expeditionary NAVAIDS element — portable TACAN initialization, PAPI frame assembly and angle alignment, approach lighting cable routing, generator power integration — on a MEU workup, a MAGTF exercise, or a contingency response, you are the element lead. Not a participant — the lead. You are coordinating the siting, the initialization sequence, the FAA coordination for the expeditionary NOTAM, the system status brief to the air operations center, and the maintenance schedule for the duration of the deployment. The portable TACAN that initializes cleanly on an unprepared surface in the rain is the result of training the section to the expeditionary standard in garrison, verifying the equipment inventory before deployment, and having the fault isolation procedure memorized before the exercise area does not have connectivity. The MATCALS CO's FitRep narrative on the SSbt section chief draws heavily from the expeditionary element performance. The GySgt board conversation starts the day you pin SSbt. The centralized selection board that determines GySgt selection reads FitRep relative value placement across multiple reporting cycles, Sergeants Course completion status, composite score, and conduct record. The section chief who is building toward GySgt is building the FitRep profile deliberately — not accumulating good marks and hoping they add up. Each FitRep cycle is an opportunity to be the SSbt the CO puts in the 'must select' category at the MAG-level FitRep review, and the section chief who knows what 'must select' requires at the GySgt board is the one building toward it.
Career Arc
  • 01SSbt pin-on via centralized SNCO selection board under MCO 1400.32 — section chief billet assumption at the MATCALS unit; MATCALS GySgt formally confirms billet assignment and full T&R depth review against the section inventory.
  • 02Quarterly maintenance schedule build — first section-chief-level schedule that integrates FAA certification intervals, flight operations overlay, and NOTAM coordination timeline for the full NAVAIDS inventory; reviewed and signed by the MATCALS CO.
  • 03FAA flight check coordination as section chief — TACAN and ILS ground preparation, day-of coordination with the FAA flight check crew, post-check documentation and results brief to the MATCALS OIC and CO; certification result on first airborne check is the bar.
  • 04First FitRep cycle as SSbt writing on Sgts — three to four Section A narratives submitted with the observed-behavior standard the CO can use at the MAG-level FitRep board without revision; CO feedback on the first cycle is the calibration event for all subsequent cycles.
  • 05SNCO Academy Career Course window — timing relative to the GySgt board window is the SSbt section chief's primary PME planning question; the Career Course completion is a GySgt board read; schedule the Career Course slot before the GySgt board cycle or document the conflict and the recovery plan.
  • 06Expeditionary NAVAIDS element lead — MEU workup, MAGTF exercise, or contingency response; SSbt section chief is the element lead for portable TACAN and approach lighting setup and certification; MATCALS CO's FitRep narrative draws from this event.
  • 07GySgt selection board window — centralized board reads FitRep relative value across three to four SSbt cycles, SNCO Academy Career Course completion, composite score, and conduct record; the section chief who has built the FitRep profile deliberately across the SSbt tour is competitive.
Common Screwups
  • ×SNCO Academy Career Course timing missed — not scheduled before the GySgt board window without a documented conflict and recovery plan. The GySgt board reads PME completion; an SSbt who is Career Course-incomplete when the board meets is disadvantaged in the relative value comparison regardless of FitRep quality. The MATCALS admin does not track this for you. You track it.
  • ×NJP, DUI, or fraternization at SSbt. At this rank, UCMJ action forecloses the GySgt selection board, removes the section chief billet, and in most cases results in administrative separation under MARCORSEPMAN. The FAA certification program you built belongs to someone else now.
  • ×Giving the MATCALS OIC an optimistic system status rather than the accurate one. The ILS glidepath that the section chief told the OIC was 'in good shape' while the ground calibration records showed it approaching the tolerance boundary is the ILS that produced the flight check callback — and the MATCALS CO's conversation with the air station commanding general starts with the section chief's most recent status brief. The OIC cannot defend a system status he was not given accurately. The section chief who tells the OIC the uncomfortable truth is the section chief the OIC trusts. The section chief who manages the OIC's comfort level at the expense of accurate information is the section chief who makes the OIC look uninformed at the MAG commander's brief.
  • ×FitRep inflation on Sgts — Section A that says 'outstanding Marine, best in the section' without the observed-behavior support the CO can defend at the MAG-level FitRep board. The CO who rewrites the section chief's Section A twice will not write the section chief a 'must select' GySgt narrative. The SSbt section chief whose FitRep inputs are consistently revised by the OIC and CO is the SSbt section chief who does not make GySgt on the first board.
  • ×Hiding a safety-of-flight incident — a NOTAM omission, a tolerance certification declared within-specification when the test equipment readings were marginal, a flight check discrepancy attributed to equipment variation rather than ground maintenance error — from the MATCALS CO and the airfield safety office. The FAA airspace management audit will find it. The cover-up produces a result that is categorically worse than the honest report and the corrective action. Report the incident, brief the corrective action, and let the CO make the disclosure call — that is his authority and his accountability, not the section chief's.

A Day in the Life

  • 0500Wake. Check the section group chat and the ATC watch supervisor's overnight system status report. Any NAVAID anomaly, monitor alarm, or system status change from the night flight go is in your awareness before morning formation, not at the 0800 brief. If something broke overnight, you already have a fault isolation plan forming before PT.
  • 0530PT formation. Section accountability reported to the MATCALS GySgt. The SSbt section chief who is the last NCO into formation is the section chief the GySgt notes on the same day every week for the wrong reason. Report accountability clean; any missing Marine is your problem before it becomes the GySgt's.
  • 0545-0700Unit PT. You set the pace. The section average PFT and CFT score is visible to the MATCALS CO; the section chief who is hitting First Class while his section average is below it has a section fitness culture problem the GySgt will raise. Wednesdays is often the unit hump; Thursday may be section-led PT. The section chief's PT standard is the section's.
  • 0700-0800Hygiene, chow. Pre-walk the section's NAVAIDS inventory status if a maintenance window is scheduled for the morning — confirm the NOTAM coordination call was placed before the flight schedule opened, verify test equipment is on-site and calibration-current, pull any overnight anomaly report and assess the fault isolation priority before the section brief.
  • 0800Section chief morning brief to the MATCALS OIC — system status for each NAVAID, day's maintenance schedule, NOTAM coordination status, any overnight anomaly and fault isolation plan. The OIC attends the air station operations daily brief after yours; give him the operational language, not the technical language.
  • 0830Section brief. You brief the Sgts on the day's maintenance tasking and the section's priorities; the Sgts brief their section elements. The section chief who has Sgts who do not know the day's plan at 0900 is the section chief who is not building independent Sgts.
  • 0900-1130Primary maintenance event — TACAN 30/90/180-day PM check, ILS calibration, PAPI photometric maintenance, expeditionary NAVAIDS rehearsal, FAA coordination record quarterly review, or section-level T&R qualification evaluation on a Sgt. As section chief you are managing the section's event, not executing all of it. Sgts run their assigned lanes; you observe, advise, and manage the NOTAM coordination and system status timeline.
  • 1100ATC watch supervisor status call if a maintenance window is closing — system return-to-service, NOTAM cancellation, current approach category certification status. Clear, direct, operational language. Verify the watch supervisor's log matches your coordination record entry.
  • 1130-1300Chow. Section chiefs eat with the NCO group. The GySgt and OIC are in the same space. The conversations at chow are not informal — the GySgt is noting which section chiefs are talking shop with the other NCOs and which are on their phones.
  • 1300-1500Afternoon work block — FitRep Section A drafts for Sgts whose reporting period is ending this quarter (draft from the morning maintenance observation while the event is specific), monthly counseling sessions with each Sgt (composite score gap, T&R qualification status, GySgt board timeline), quarterly maintenance schedule update, FAA coordination record audit for the week's completed actions, SNCO Academy Career Course prep if enrolled in the pre-course track.
  • 1500-1630Final formation. GySgt gives next day's plan. Sensitive items — spectrum analyzer, signal generators, precision alignment tools — checked in and logged. You run the section count. Each Sgt gets a priority card for tomorrow with specific tasks, the standard for each, and the NOTAM coordination requirement if any offline window is scheduled.
  • 1630Liberty call. Same brief, same day, every week: liberty standards, DUI consequence, call you first. SSbt section chiefs who stopped giving this brief because 'everyone knows' are the section chiefs who eventually have a Marine in the duty NCO's log on a Friday night.
  • 1700-2000Personal time — SNCO Academy Career Course coursework, FitRep Section A drafts, FAA Order 8200.1 review before the next flight check, GySgt board timeline review, college coursework through Tuition Assistance. The section chief who builds his GySgt candidacy in personal time is the section chief who is competitive when the board convenes.
  • 2000-2200 (if called)System alarm overnight or unscheduled maintenance event — ATC watch supervisor calls. You assess the fault isolation plan before arriving, meet the on-call Sgt at the section shop, run the fault isolation procedure, call the OIC with status and return-to-service estimate before the OIC calls you, execute the repair within section capability or issue the out-of-service NOTAM and contact the depot representative. The OIC finds out the system is back in service, not that it is broken.
  • Expeditionary deployment — element leadClock breaks. Portable TACAN siting and initialization, PAPI frame assembly and angle alignment on an unprepared surface, approach lighting cable routing, generator power integration. You are the element lead — coordinating every task, not performing all of them. The system initialization that works on day one is the result of the garrison rehearsal the section ran three times. The fault isolation that resolves on day two without a contractor callback is the result of the T&R depth you built in the section over the preceding year.

Weekly Cadence

Monday is the section chief's program management day. The GySgt or OIC put out the week's plan at Friday's formation; Monday morning you build the section's execution schedule and review the quarterly maintenance schedule for any interval that is approaching due status in the next 30 days. The section that discovers an overdue interval on Monday morning is the section whose section chief did not review the schedule on the preceding Monday. Brief the Sgts before 0900; they brief their elements before 1000. The section that is waiting for the section chief to tell them the day's plan at 1030 is the section the GySgt walks through on his morning check. Tuesday through Thursday is the maintenance execution rhythm. FAA certification intervals drive the schedule; the section chief manages the execution against the intervals, not around them. The week's administrative layer runs in parallel: FitRep Section A drafts for the Sgts whose reporting period is ending this quarter are drafted on Tuesday from the most recent maintenance event observation while the detail is current, revised on Thursday based on the week's additional observations, and submitted to the OIC for review before the formal deadline. Monthly counseling sessions with each Sgt happen on the Thursday of the last week of the month — composite score gap identified, specific 90-day plan to close it, career timeline updated. The section chief who completes the administrative cycle clean — FitRep inputs submitted before the OIC's review deadline, counseling entries current, zero overdue open discrepancies in MIMMS without a resolution timeline — is the section chief the GySgt can take a weekend off with full confidence. The MATCALS CO's read of the section is built from the Monday OIC brief, the ATC watch supervisor's weekly system status report, the FAA coordination record compliance posture, and the Friday final formation accountability. The section chief who closes every Friday with a maintenance schedule showing zero overdue intervals in the current week, zero open MIMMS discrepancies more than 14 days old without a resolution plan, and a NOTAM coordination log that reconciles with the watch supervisor's shift log is the section chief the CO mentions to the MAG commanding officer when asked which section chiefs are ready for the next assignment. Expeditionary rotations — MEU workup, MAGTF exercise, contingency deployment — collapse garrison time entirely. The administrative cycle happens in the margins of the field schedule. The section chief who falls behind on FitRep drafts and counseling entries during a 45-day expeditionary exercise is the section chief doing 80 hours of catch-up work in the two weeks after return. Front-load the administrative cycle before the movement order.

Key Skills — How to Drill Each

  1. 01
    Build and execute the quarterly NAVAIDS preventive maintenance schedule integrating FAA certification intervals, the air station flight operations schedule, and NOTAM coordination timelines — shared with the ATC watch supervisor 30 days out.
    Pull the current certification status for every NAVAID in the section inventory: TACAN 30/90/180-day check due dates, ILS localizer and glidepath periodic calibration intervals, PAPI lamp cycle status, approach lighting circuit inspection schedule, and test equipment calibration due dates. Layer the flight operations schedule on top of those intervals to identify maintenance windows that minimize operational disruption — early morning windows before the first go, late-night windows after the last recovery, or maintenance days coordinated with stand-down days. The quarterly schedule that the ATC watch supervisor receives 30 days before the quarter starts is the schedule that produces NOTAM coordination calls two days in advance rather than two hours in advance. The CO reviews the schedule for interval compliance; give him a document that shows compliance posture, not just a list of tasks.
  2. 02
    Coordinate FAA ILS certification including ground maintenance preparation, day-of flight check radio coordination, and post-check results brief to the MATCALS OIC and CO.
    Ground preparation begins 72 hours before the flight check arrival: walk the ILS maintenance records with the OIC for completeness and format compliance against FAA Order 6310.1G, verify that the localizer course width and glidepath angle are calibrated to the center of the tolerance band rather than marginal, and confirm that all test equipment used in the calibration is current on calibration. Any open discrepancy with a documented status is better than a clean record that conceals a known anomaly. Day-of: establish radio contact with the flight check crew before they depart their origin, provide system status and ground record summary, and be reachable throughout the airborne check to relay tolerance values. Post-check: document the result in the coordination record the same day, initiate corrective action on any airborne discrepancy with a resolution timeline, and brief the CO before end of day. The CO briefs the operations officer; he needs the operational picture — current approach category capability, corrective action required if any, estimated re-certification schedule — not the technical detail.
  3. 03
    Write FitRep Section A narratives on Sgts in action-result-impact language that the MATCALS CO can use at the MAG-level FitRep board without revision.
    Build Section A language from the counseling record and the maintenance event log — specific events the Sgt ran, specific tolerance results or operational outcomes, specific impact on section readiness. Draft Section A at the midpoint of the reporting period and share with the OIC for a preliminary read before the formal submission deadline. The OIC who has seen your Section A language at 90 days is better positioned to build the attribute evaluations off it at 180 days than one reading it cold. The SSbt section chief who submits Section A first-draft language that the CO accepts without revision on three consecutive cycles is the section chief the CO describes as 'can run the section without my involvement.' The CO's FitRep narrative on the section chief is written partly from how the section chief's own FitRep inputs read — if your work is being accepted without revision, the narrative about you reflects that judgment.
  4. 04
    Lead an expeditionary NAVAIDS element — portable TACAN initialization, PAPI siting and alignment, approach lighting power integration — from pre-deployment equipment inventory through operational certification at the exercise site.
    The expeditionary element lead runs a pre-deployment equipment inventory against the section's portable NAVAIDS package checklist before the movement: portable TACAN assembly, PAPI frame components and mounting hardware, approach lighting cable inventory, generator and power distribution equipment, test equipment and calibration status, documentation kit. Brief the section on the expeditionary setup sequence at the terrain model before movement — siting criteria for the portable TACAN, generator power hookup sequence, PAPI angle alignment procedure on an unprepared surface, NOTAM coordination procedure for the expeditionary airfield. The section that executes the portable TACAN initialization on day one without fault-isolation drama is the section whose section chief ran the setup rehearsal in garrison three times before the ramp. Build the rehearsal into the pre-deployment workup.
  5. 05
    Advise the MATCALS OIC and approach the wing operations officer on NAVAIDS system status and airfield approach category capability in operational planning language.
    The OIC and the operations officer are not NAVAIDS maintenance technicians. They need to know what instrument approach categories the airfield can support, what the estimated return-to-service is for any system out of service, and what the operational restrictions are during any scheduled maintenance window. Practice the translation: 'TACAN bearing drift approaching the 0.8-degree outer monitoring threshold' becomes 'TACAN is operational but scheduled for a four-hour re-calibration window Tuesday morning; instrument approaches are unrestricted today and will resume without restriction Tuesday afternoon.' Know both sentences. Default to the operational statement. The section chief who can walk into the air station operations daily brief and brief the NAVAIDS status in the same language the operations officer uses is the section chief the operations officer calls before he briefs the wing commander — not after.
  6. 06
    Develop Sgts toward independent section NCOIC qualification and SSbt board readiness — T&R depth, FitRep input discipline, NOTAM coordination authority, FAA coordination record ownership.
    Identify each Sgt's current T&R qualification depth and their next qualification target within 30 days of assuming the section chief billet. The Sgt who cannot independently coordinate an FAA flight check without the section chief on the radio is a Sgt who is not independently qualified. Build the development plan around the specific gaps: a supervised flight check coordination with the section chief observing but not participating, a NOTAM coordination window where the Sgt runs the call and the section chief debriefs afterward. Monthly counseling sessions documented with composite score gap analysis, specific 90-day plan to close the identified gap, and career timeline review. The section chief who has three Sgts who are independently certified on the full NAVAIDS inventory before the section chief's own SSbt tour ends has built a section that operates without single-point-of-failure vulnerability.

Manuals & References — What Chapters Matter

  • FAA Order 6310.6D — Maintenance of Tactical Air Navigation (TACAN)
    At SSbt the section chief owns this document at the program management level — not just the procedure chapters, but the administrative framework: certification interval requirements, maintenance record format standards, out-of-service versus operationally degraded criteria, and the coordination documentation requirements the FAA regional office audits. The section chief who can cite the interval compliance standard from memory, identify immediately which tolerance value a given test reading is close to, and explain to the CO why the 180-day check that was three weeks overdue was an airspace authorization risk rather than a maintenance scheduling inconvenience is the section chief running the program at the correct level.
  • FAA Order 6310.1G — Maintenance of Instrument Landing Systems
    ILS certification is the SSbt section chief's most consequential recurring responsibility. Own this document at the level of the localizer course width tolerance band, the glidepath displacement sensitivity specification, the photometric requirements for the approach lighting components, the periodic calibration intervals for each ILS component, and the documentation format the FAA coordination record requires. The flight check crew who arrives to certify the ILS is working from FAA Order 8200.1 and referencing 6310.1G for the ground maintenance standard — the section chief who can speak the flight check crew's technical language during the post-check debrief is the section chief who understands what a discrepancy finding means and how to correct it.
  • FAA Order 8200.1 — United States Standard Flight Inspection Manual
    This is the manual the flight check aircraft is flying against. At SSbt you do not just need awareness of 8200.1 — you need to understand the specific flight inspection tolerance specifications for TACAN bearing accuracy, DME accuracy, and ILS localizer and glidepath parameters that differ from the ground maintenance tolerance specifications in 6310.6D and 6310.1G. A system calibrated to the edge of the ground maintenance tolerance may still fail the airborne check because the flight inspection tolerance band is different. The section chief who calibrates to the center of the ground tolerance, not the edge, does so because he has read both documents and understands the margin.
  • ICAO Annex 10, Volume I — Aeronautical Telecommunications (Radio Navigation Aids)
    At SSbt you will encounter ICAO Annex 10 in two contexts: joint and coalition operations at installations where the governing airspace standard is ICAO rather than FAA, and the bilateral civil-military aviation coordination framework at forward-deployed installations like Iwakuni or Okinawa. The tolerance values in ICAO Annex 10 differ from the FAA standards in specific parameter definitions. The section chief who has not read Annex 10 before a joint deployment discovers that during the FAA/JIDA coordination call — and then has to brief the OIC on why the ground calibration that passed the FAA standard did not satisfy the ICAO requirement. Read it before the deployment, not during it.
  • NAVMC 3500.xx — MATCALS/NAVAIDS Training and Readiness Manual (section chief collective tasks)
    The section chief collective task list in the current NAVMC 3500 series T&R manual is the MCCRE evaluation standard for the section and the section chief's qualification baseline. Print the section-chief-level collective tasks and walk them with the MATCALS GySgt during the first 30 days of the billet. Know which tasks require external evaluation, which require GySgt or CO sign-off, and which the section chief can self-certify. The section that is evaluated against NAVMC 3500 standards in an exercise context and comes up short on a task the section chief thought was covered is the section whose section chief did not verify coverage against the printed task list before the evaluation.
  • MCO P4790.2C — MIMMS Field Procedures
    At SSbt the section chief owns the section's MIMMS program — not just individual maintenance action forms, but the entire work order queue, the open discrepancy log, the return-to-service documentation trail, and the interface between the MIMMS record and the FAA coordination record. A MIMMS program that does not reconcile with the FAA coordination file creates an audit finding where a maintenance action is documented in one system but not the other. Review the MIMMS queue weekly; any open discrepancy more than 14 days old without a resolution timeline and a system status notification to the ATC watch supervisor is a section chief accountability item.
  • MCO 1610.7 — Performance Evaluation System
    You write three to four Sgt FitReps per cycle. Read the current revision of MCO 1610.7 — specifically the Section A narrative policy, the relative value placement mechanics, and the reviewing officer role — before the first reporting period ends. The relative value placement at the SSbt writing-on-Sgt level has direct SSbt-to-GySgt board implications for the Sgts you are evaluating, and the section chief who understands the mechanics writes placement language that the CO can defend at the MAG-level board. The section chief whose placement language requires CO revision is the section chief who is not calibrated to the standard the board uses.
  • MCO 1400.32 — Marine Corps Promotion Manual
    The GySgt selection board mechanics — FitRep relative value weighting, SNCO Academy Career Course requirement, composite score contribution at the SNCO level, the board's read of assignment history and B-billet markers — are in MCO 1400.32. Pull the current MARADMIN for the 5952 GySgt board cycle before the conversation with the MATCALS GySgt about your GySgt timeline. The SSbt section chief who has read the board mechanics chapter and understands how his current FitRep profile reads against peers is the section chief who is managing the GySgt candidacy deliberately rather than hoping the FitRep record is competitive.

Standards — How to Hit Each

  • SNCO Academy Career Course completion — required PME gate for GySgt board competitiveness; schedule before the GySgt board window.
    The Career Course at the SNCO Academy (Quantico) is the PME event the GySgt selection board reads. Schedule the enrollment slot through the MATCALS admin before the GySgt board window — how far before depends on your current SSbt timeline and the board cycle calendar, which the MATCALS GySgt can walk you through. If the MEU workup or an extended expeditionary deployment is consuming the available window, the documented conflict and the specific recovery plan (next available enrollment window, documented in the career development counseling record) is the deliverable — not 'the deployment took the slot' as a standalone explanation. The GySgt board does not grant waivers for scheduling conflicts that were not documented with a recovery plan.
  • FAA coordination records complete, current, and immediately producible for any air station, FAA regional office, or MAG-level airspace management inspection.
    The coordination record file is the section chief's most consequential administrative output. It is not organized when an inspection is announced — it is organized as a standing condition of the program. Walk the file monthly: every maintenance action in the past 30 days should have a complete entry formatted to FAA Order 6000.15 requirements, every open discrepancy should have a status and a resolution date, and every flight check result should be documented with the corrective action plan for any discrepancy the airborne check found. The FAA airspace management auditor who finds a missing entry in the coordination record is looking at an unverified maintenance action on a flight-critical system. That is not a paperwork gap — it is an airspace authorization gap.
  • Quarterly maintenance schedule reviewed and signed by the MATCALS CO with zero overdue FAA certification intervals at the time of review.
    Zero overdue intervals is the standard, not the goal. An overdue interval is not a scheduling problem — it is an airspace authorization problem. The section chief who presents the CO with a quarterly schedule showing zero overdue intervals and a clean compliance posture for the next 90 days has built a program that is running to the federal standard. The section chief who presents a schedule with two overdue intervals and a 'recovery plan' is the section chief whose OIC is writing a memo to the base operations officer about airfield approach category restrictions. Build the schedule before the intervals become overdue, not after.
  • ILS flight check certification on first airborne pass — bearing accuracy, DME accuracy, localizer course width, and glidepath angle all within specification on the initial check.
    First-pass certification is the technical bar that reflects the quality of the ground maintenance program, not luck. Build toward it by calibrating to the center of the tolerance band (not the edge), verifying that test equipment calibration is current before the maintenance window (not confirmed during it), and walking the maintenance records for format compliance 48 hours before the flight check arrives (not the morning of). The flight check callback that happens because the ground calibration record was formatted incorrectly is the callback that should never happen. The callback that happens because a tolerance value was marginal is the callback that reflects on the calibration execution. Both are the section chief's responsibility.
  • 1st-Class PFT and CFT under MCO 6100.13; section average visible to the MATCALS CO and the MAG fitness report.
    At SSbt the section chief's fitness standard is the benchmark the section reads. Train the CFT events specifically — the ammunition can lift and maneuver under fire replicate the physical demands of moving portable NAVAIDS equipment under expeditionary tempo in a way that distance running alone does not. Know the section's PFT and CFT score history; a section fitness problem the MATCALS GySgt discovers before the section chief does is a different conversation than the one the section chief initiates with a specific improvement plan. The section chief who is hitting First Class and whose section average is trending First Class is the section chief the GySgt is not tracking on the fitness board.

Technical Mistakes — Concrete Consequences

  • Allowing an FAA certification interval to go overdue because the maintenance window conflicted with the flight schedule.
    The overdue interval is not a scheduling gap — it is the air station operating instrument approach procedures on an uncertified system. When the airfield safety officer reviews the NAVAIDS maintenance records and finds a TACAN that is 22 days past its 180-day certification interval, the base operations officer is in the commanding general's office that morning about instrument approach category status. The section chief's conversation with the MATCALS CO starts with the maintenance schedule decision that allowed the interval to lapse, and the CO's FitRep narrative reflects the program management judgment that decision represents. Schedule around the interval, not despite it.
  • Verbal Section A input to the OIC without a written draft — letting the OIC fill in the FitRep narrative based on a summary conversation.
    The OIC who writes the Section A from a summary conversation produces the generic language — 'outstanding SSgt, best in the section, must promote' — that the MAG-level FitRep board is specifically calibrated to see through. The Sgt whose FitRep reflects the OIC's prose rather than the section chief's observed-behavior record has a FitRep that does not carry the specific operational detail the board uses to differentiate candidates. The section chief who provides the OIC with written Section A language built from specific maintenance events, specific outcomes, and specific readiness impact is the section chief whose Sgts are distinguished at the MAG board. The section chief who walks in with a summary and walks out with a verbal agreement has not done the work.
  • Telling the FAA flight check crew that a marginal ground calibration reading is 'within tolerance' without noting it as a margin condition in the coordination record.
    If the airborne check finds the tolerance value out of specification, the ground maintenance record that said 'within tolerance' without noting the marginal reading is the discrepancy the FAA regional office focuses on — not just as a technical finding, but as a documentation integrity question. The section chief who documents 'calibrated to within tolerance, reading 0.7 degrees against 0.8-degree outer limit, re-calibration scheduled at next 30-day window' has produced an honest record that reflects good program awareness. The section chief who documents 'within tolerance' and leaves the margin condition undisclosed has produced a record that, when the airborne check finds the out-of-spec reading, looks like a false certification.
  • Running the section's expeditionary NAVAIDS package setup without verifying test equipment calibration status before the portable TACAN initialization.
    The portable TACAN that initializes on an unprepared surface and is certified using test equipment that was three weeks past its calibration due date is certified against an instrument that may not be measuring accurately. If the flight check at the expeditionary airfield finds the bearing accuracy out of specification, the ground maintenance record is the first document the investigation reviews. Test equipment calibration status is a pre-deployment inventory item — it is checked before movement, documented in the element lead's deployment package, and is the section chief's personal accountability, not the Sgt's.
  • Accepting a Sgt's NOTAM coordination call debrief without reviewing the ATC watch supervisor's copy of the coordination record.
    The section chief who accepts the Sgt's verbal report that the NOTAM was coordinated without verifying the watch supervisor's coordination log is creating a single-point-of-failure in the safety-of-flight chain. When the FAA airspace management audit finds that a NOTAM for an ILS offline window is in the MATCALS coordination record but not in the ATC watch supervisor's shift log — because the Sgt called the wrong watch supervisor or called after the system was already offline — the section chief's name is in the audit finding for inadequate supervision of the NOTAM program. Spot-check the watch supervisor's log against the coordination record weekly. Not every entry — spot-check. The Sgt who knows the section chief checks the log is the Sgt whose NOTAM coordination is clean.

Career Decisions at This Rank

  • GySgt board prep — build the FitRep profile toward 'must select' or let the record accumulate and hope.
    The GySgt selection board reads FitRep relative value placement across multiple SSbt reporting cycles, SNCO Academy Career Course completion, assignment diversity, and composite score. The SSbt section chief who manages the GySgt candidacy deliberately — identifying what the board is reading, ensuring every FitRep cycle produces the strongest defensible Section A content, securing the Career Course enrollment before the board window, and tracking the assignment history the board looks for in a GySgt candidate — is the section chief who is competitive. The SSbt section chief who accumulates good marks and hopes for the best is the section chief who is surprised when the board result does not match his expectation. Pull the current MARADMIN for the 5952 GySgt board cycle, read the board guidance, and sit with the MATCALS GySgt for a candid assessment of where your FitRep package stands. That conversation is worth more than any general career advice.
  • FAA Technical Operations civilian pipeline (GS-7/9 entry, GS-12 with TACAN/ILS certification background) — transition at SSbt or push to GySgt first.
    The FAA Technical Operations workforce employs NAVAID maintenance technicians at approximately 900 field offices and en-route centers across the national airspace system. The 5952 SSbt's certification portfolio — TACAN, ILS, PAPI, approach lighting — maps directly to the FAA-2152 (Electronics Technician) series qualification requirements; entry at GS-7 or GS-9 is realistic, and the FAA career ladder to GS-12 is achievable within five to seven years with the technical background the SSbt brings. The honest math on timing: transitioning at SSbt gives you a longer FAA career timeline and a younger entry age; staying to GySgt adds a program management and leadership record that the FAA regional office supervisory positions (GS-13 and above) value. The civilian transition is not either/or with the GySgt board — but it requires an honest assessment of whether the GySgt board is a realistic outcome in your specific FitRep cycle, not a generalized assumption that the option will be available later. Talk to retired 5952 Marines who transitioned to FAA Technical Operations before drawing conclusions from the recruiting material.
  • Defense contractor NAVAID pipeline versus federal civilian — relative compensation, stability, and career trajectory.
    Defense contractors (DRS Technologies, HEICO aviation electronics subsidiaries, and similar NAVAID systems integrators) employ NAVAID maintenance technicians at contract rates that can exceed GS-11 equivalents at entry for SSbt-tier experience. The trade-off: contractor positions are contract-dependent, location-constrained by the defense contract award, and do not carry the federal retirement and benefits package that FAA civil service provides. The SSbt with a TACAN and ILS certification portfolio and a documented section chief leadership record is a strong candidate for both pipelines. The differentiation: contractors value the technical certification depth and the maintenance execution experience; FAA regional offices value the certification depth plus the program management record — quarterly schedule management, coordination record compliance, flight check coordination authority. Build toward the career you want, not the first offer.
  • SNCO Academy Career Course timing — before the GySgt board window or during the SSbt tour as soon as eligible.
    The Career Course enrollment as early as practicable in the SSbt tour is the right default. Waiting until the GySgt board is close to submit the enrollment request creates a scheduling dependency that can be disrupted by a MEU workup, a contingency deployment, or a section staffing gap that makes the section chief unavailable for 60 days. The section chief who completes the Career Course at year one of the SSbt tour has it in the FitRep record for the full board candidacy window. The section chief who tries to complete it at year three is managing a scheduling conflict against the deployment calendar at the worst possible time. Ask the MATCALS GySgt for the current enrollment timeline and submit the request before being asked.
  • B-billet at SSbt — DI duty at MCRD, MSG program, or remain section chief on the GySgt track.
    B-billet at SSbt is a more significant career calculation in the 5952 MOS than in a high-density community because the NAVAIDS certification depth and program management record you are building as a section chief are the primary differentiators for both the GySgt board and the civilian transition pipelines. Drill Instructor duty is a three-year commitment that develops leadership skills the section chief billet does not replicate — but it interrupts the FAA certification currency and the NAVAIDS program management record. The DI tour identifier is a GySgt board positive marker. The honest question is not which option pays more or looks better on a billet sheet — it is which option builds the professional you want to be by year fifteen. Marines who are most interested in the leadership development and institutional impact track find DI duty formative. Marines who are building toward the GySgt and MSgt NAVAIDS SME track and the post-service technical transition are better served by continuing the section chief billet and the certification depth. Both paths are defensible; neither is universally correct. Talk to SSbts who have done each before you choose.

How the Seat Varies by Unit Type

  • MATCALS unit at a major Marine Corps air station — Cherry Point, Miramar, Beaufort, New River, Yuma
    The standard SSbt 5952 assignment. Section chief billet with a full NAVAIDS inventory — TACAN, ILS, PAPI, VOR where installed, approach lighting — a standing FAA coordination relationship, a master maintenance schedule integrated with the wing flight schedule, and a MATCALS CO and GySgt providing program oversight. The FAA regional office relationship is established and the flight check cycle is routine. The section chief at a major air station is visible at the MAG level in a way that equivalent billets in larger communities are not — the MATCALS CO knows the certification record by name, the airfield safety officer sees the section chief's quarterly schedule, and the base operations officer consults the section chief by name for approach category status. The risk is that the stable garrison environment does not test the expeditionary skills the MEU workup is about to need.
  • Forward-deployed MATCALS detachment — III MEF, MCAS Iwakuni, Okinawa rotation
    The SSbt section chief at a forward-deployed installation operates within the bilateral civil-military aviation coordination framework — JCAB at Iwakuni, OKINAWA regional coordination at Futenma — in addition to the FAA and ICAO requirements. The ground maintenance certification the section produces serves both the USMC flight schedule and the bilateral airspace coordination agreement with the host nation civil aviation authority. The parts logistics chain runs through CONUS supply at lead times that force fault isolation and improvised repair solutions the CONUS-based section chief does not develop. The forward-deployed SSbt comes back with a bilateral coordination fluency and a logistics independence that the CONUS peer does not have. The GySgt board reads the forward deployment as operational credibility. Verify current accompanied/unaccompanied status at Iwakuni with the MATCALS admin before making dependent-related planning decisions — policy has changed more than once.
  • MEU MAGTF expeditionary NAVAIDS element lead — afloat or expeditionary airfield
    The SSbt section chief on the MEU is the expeditionary NAVAIDS element lead for the Battalion Landing Team's approach lighting and portable TACAN package. The section operates with a compressed billet count, portable test equipment, generator power, and field-expedient logistics support in conditions that test every training event the garrison schedule built. The portable TACAN initialization on an unprepared surface works on day one because the section chief ran the rehearsal in garrison before the movement, verified the test equipment calibration status before embarkation, and built the fault isolation procedure into the element lead's deployment package. The MEU SgtMaj reads section performance in every exercise event. The FitRep the section chief earns from a clean MEU expeditionary NAVAIDS deployment is the operational credibility marker the GySgt board is looking for.
  • Reserve component MATCALS unit
    Reserve SSbt 5952 section chiefs face a fundamentally compressed execution timeline. Monthly drill weekends plus annual training provide the touchpoints for section maintenance qualification, FAA certification interval compliance, and FitRep cycle administration. Maintaining FAA certification currency on reserve training hours requires active management of annual training windows — the section chief who plans AT at a host installation with a compatible NAVAIDS inventory can maintain the certification program that CONUS drill weekend training cannot replicate. The GySgt selection board processes reserve and active component records through the same centralized mechanism; the FitRep relative value comparison at the board includes both. Reserve section chiefs who are serious about GySgt board competitiveness may pursue active-duty training orders to supplement the qualification timeline and close the FAA certification gap.

What Good Looks Like at This Rank

The good 5952 SSbt section chief is the one the MATCALS CO sends to brief the air station operations officer on NAVAIDS system status — not because the section chief is available, but because the CO trusts that whatever the section chief says about the airfield's instrument approach category capability is what the maintenance record actually supports. The operations officer has learned that the section chief's status brief is the accurate picture. If the section chief says the TACAN is certified and operational, it is certified and operational. If the section chief says the ILS requires a maintenance window on Tuesday, the window is already on the quarterly schedule and the NOTAM coordination timeline is already shared with the watch section. The operations officer does not have to track the section chief down after the brief to ask what 'approaching calibration interval' means for Wednesday's instrument approach procedures. The section chief already answered that question before the brief ended. His Sgts are qualified to independently coordinate FAA flight checks and run the section's maintenance program for three weeks while the section chief is at the SNCO Academy Career Course — not because the section chief is about to leave and is now scrambling to develop them, but because he identified the T&R gaps at 30 days, built the qualification plan with each Sgt, ran the supervised flight check coordination windows with the section chief observing but not participating, and documented the certification events in the T&R record before the GySgt asked for the section's qualification status. The GySgt knows that this section chief's Sgts are not a single-point-of-failure — because the section chief demonstrated that proactively, not reactively. The FitRep Section A narratives on his Sgts are the inputs the MATCALS CO uses as the primary content at the MAG-level FitRep board without rewriting them. Not 'the CO cleaned up the language' — actually uses the Section A content. The language is specific: 'GySgt-select candidate Sgt [name] independently coordinated the FAA ILS flight check certification for Marine Corps Air Station [installation]; ground documentation formatted to FAA Order 6310.1G compliance prior to aircraft arrival; zero flight check callbacks on localizer, glidepath, and approach lighting components; airfield returned to full Category I certification within 90 minutes of system initialization; Section NCOIC demonstrated program management authority at the section-chief qualification level.' The CO reads that sentence, identifies the specific event, and uses it to distinguish the Sgt at the board. The section chief who writes that sentence has earned the CO's trust in his judgment — and the CO's FitRep narrative on the section chief reflects that trust.

Preview — The Next Rank

GySgt in the 5952 community is the MATCALS section SNCO billet — the senior technical advisor to the MATCALS CO, the Marine the MAG maintenance officer consults before making approach category decisions that affect the wing flight schedule. The transition from section chief to MATCALS GySgt is the transition from managing the section's certification program to advising on the air station's instrument approach capability across the full NAVAIDS inventory. Where the SSbt section chief is briefing the MATCALS OIC on system status, the GySgt is briefing the MATCALS CO and the base operations officer on the approach category certification posture and the maintenance program's long-range compliance outlook. The FitRep and mentorship load at GySgt scales in a way the SSbt billet does not fully prepare you for. At SSbt you write three to four Sgt FitReps per cycle. At GySgt you write FitReps on the SSbt section chiefs — the SNCOs who are managing the program elements you are advising on. The relative value placement at the GySgt writing-on-SSbt level has direct SSbt-to-GySgt implications for each section chief you evaluate, and the GySgt whose Section A inputs produce the MAG CO's most-competitive candidates at the GySgt board is the GySgt the CO mentions by name to the MATCALS CO when the next assignment slate is built. The FitRep work at this level is not a parallel task to the advisory function — it is the same function, because the section chiefs you develop are the program that certifies the airfield. The institutional decisions at GySgt begin to take shape around the 1stSgt conversation versus the MSgt occupational SME track. The 1stSgt path is the formation-command and administrative readiness track; the MSgt track in the NAVAIDS community leads to the HQMC aviation maintenance staff, the MATCALS schoolhouse, and the program management billets that shape the 5952 T&R manual and the FAA coordination framework for the entire Marine Corps. Both paths require an honest self-assessment: are you the Marine who wants to stand in front of a formation and be accountable for 80 Marines' welfare and career development, or the Marine who wants to walk into the office of the FAA regional administrator and speak authoritatively on the Marine Corps NAVAIDS program? The MATCALS GySgt who has that conversation with himself before the MATCALS SgtMaj asks will be better positioned to answer.
FAQ

5952 E6 — Frequently Asked Questions

Q01What does a E6 5952 (Air Traffic Control Navigational Aids Technician) actually do?
You run the NAVAIDS section as section chief or serve as the MATCALS platoon sergeant with oversight of NAVAIDS, ATC equipment maintenance, and landing systems across an air station or a deployed expeditionary airfield.
Q02What's the most important thing to know as a E6 5952?
You are the approach safety authority for this airfield.
Q03What does a typical day look like for a E6 5952?
Time-blocked day at the E6 5952 rank tier: 0500 Wake. Check the section group chat and the ATC watch supervisor's overnight system status report. Any NAVAID anomaly, monitor alarm, or system status change from the night flight go is in your awareness before morning formation, not at the 0800 brief. If something broke overnight, you already have a fault isolation plan forming before PT, 0530 PT formation. Section accountability reported to the MATCALS GySgt.…
Q04What mistakes get E6 5952 soldiers fired or relieved?
SNCO Academy Career Course timing missed — not scheduled before the GySgt board window without a documented conflict and recovery plan. The GySgt board reads PME completion; an SSbt who is Career Course-incomplete when the board meets is disadvantaged in the relative value comparison regardless of FitRep quality. The MATCALS admin does not track this for you. You track it; NJP, DUI, or fraternization at SSbt. At this rank, UCMJ action forecloses the GySgt selection board,…
Q05What career decisions matter most at the E6 5952 rank tier?
GySgt board prep — build the FitRep profile toward 'must select' or let the record accumulate and hope — The GySgt selection board reads FitRep relative value placement across multiple SSbt reporting cycles, SNCO Academy Career Course completion, assignment diversity, and composite score. The SSbt section chief who manages the GySgt candidacy deliberately — identifying what the board is reading, ensuring every FitRep cycle produces the strongest defensible Section A content, securing the Career Course enrollment before the board window,…
Q06What's next after E6 for a 5952 (Air Traffic Control Navigational Aids Technician) in the Marines?
GySgt in the 5952 community is the MATCALS section SNCO billet — the senior technical advisor to the MATCALS CO, the Marine the MAG maintenance officer consults before making approach category decisions that affect the wing flight schedule.
Q07What manuals and regulations does a E6 5952 need to know cold?
FAA Order 6310.6D — Maintenance of TACAN: you own this program; the section chief who cannot recite the certification intervals and tolerance limits for TACAN is not running the TACAN program.; FAA Order 6310.1G — Maintenance of ILS: ILS certification maintenance standards that you are responsible for upholding and documenting.; FAA Order 6000.15 — General Maintenance Handbook for NAS Facilities: the facilities program management reference you operate within at the section-chief level.

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Published by the Honest MOS Editorial DeskVerified against DoD/.gov sourcesUpdated May 2026Editorial standards