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ACE4

Air Traffic Controller

E-4 (Specialist/Corporal) · Navy

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

You have a certification and a crow. That combination means you are on the watch bill as a working controller, not a trainee — and the first time you work a position during an active traffic period without the supervisor reaching across you, you will know whether the habits you built as an ACAN were the right ones. The NEC pipeline conversation with the ATCO is not optional anymore; the AC3 without a clear NEC path by the first eEVAL is the AC3 the ranking sheet reflects.

The Honest MOS Read
Aviation Ordnanceman — no, Air Traffic Controller Third Class (AC3, E-4), Petty Officer Third Class. The crow on your sleeve is the crow you earned with a facility certification, and now the watch supervisor puts your name on the watch bill as a working controller. That is the fundamental shift from the ACAN phase: your transmissions are no longer supervised — they are yours. The incident report that follows an error names you as the controller of record, and 'I was still learning' is not a defense once the certification is signed. At a NAS tower you hold ground, local, or clearance delivery independently. The traffic period where you work the combined ground/local position during a moderate-density morning — multiple instrument approaches inbound, departures sequencing, the occasional military training route activation, and a helicopter operating in the pattern — is the first real test of the mental picture you spent the previous 18 months building. The watch supervisor is watching from the supervisor's position, not leaning over you, and the question he is answering is whether you are a controller who works the traffic or a trainee who is managing to get through it. The difference is visible in the first 20 minutes. The CATCC introduction gets operational at AC3 if your command operates carrier air traffic control. You are working the approach or departure position under supervision, learning the recovery sequence from the inside rather than the observer's seat. The CATCC environment has no analogues in civilian ATC — the ship is moving, the deck is narrow, the aircraft are at fuel states that create urgency, and the coordination between approach control, departure, marshal, and final controller is a choreography that has to run on time every time. The AC3 who builds the CATCC mental model during supervised positions rather than waiting for formal NEC training is months ahead when the NEC 7723 pipeline opens. The NEC pipeline is the most consequential decision at AC3. NEC 7718 (Approach Controller), NEC 7721 (Radar Controller), and NEC 7723 (CATCC Controller) are not equivalent in what they require, what billets they feed, and what they say to the post-service market. NEC 7721 is the broadest radar approach control credential and the most direct bridge to the FAA PEPC hiring pathway for terminal radar controllers. NEC 7723 is the CATCC specialist credential with deep carrier operational experience and strong eEVAL narrative value for the advancement boards. NEC 7718 is often the pathway into 7721 for controllers building approach certification before pursuing the radar NEC. Talk to the ATCO, the LCPO, and an AC2 who holds the NEC you are considering before you commit to a pipeline — the choice shapes the next four to six years. Training other controllers starts at AC3, informally at first: you brief a trainee on the position relief, you correct a phraseology error during a supervised observation, you explain the chapter citation from the debrief. This is not formally assigned — it happens because you are the most recent controller to go through the certification, and the ACAN watching you run the position is learning from your habits whether you intend to teach or not. The AC3 who does it well builds the reputation the LCPO writes about on the eEVAL. The AC3 who works the position sloppily in front of the trainee teaches the wrong thing without knowing it. The NWAE for AC2 is not distant. The BIB for the advancement cycle is the same set of documents you are working from for facility certifications — the FAAO JO 7110.65, the NAVAIR 00-80T-114, the OPNAVINST 3721.32, the rate PME content. The AC3 who pulled the BIB at check-in to AC3 and is 30 minutes into it daily is the one who walks into the NWAE without cramming. The one who waits until three months out is the one who makes the cut — maybe — but misses the top of the slate.
Career Arc
  • 01AC3 advancement via NWAE — first crow on the sleeve, first facility certification held, first watch-bill assignment as a working controller with independent radio authority on certified positions.
  • 02Second and third facility certifications building toward the full tower or approach control matrix — each certification signed by the watch supervisor when the standard is met.
  • 03NEC target identified and documented: ATCO and LCPO briefed on the pipeline, prerequisite screening requirements checked, sea-shore rotation implications understood.
  • 04Informal training contribution starting: position-relief brief coaching for ACAN trainees, debrief explanations, phraseology correction during observation sessions — building the reputation the LCPO will write about.
  • 05CATCC exposure deepening if command is carrier-capable: supervised approach control, departure control, or marshal positions, building the CATCC mental model the NEC 7723 pipeline requires.
  • 06NWAE for AC2 prep documented on a BIB-driven schedule; advancement to AC2 (E-5) via the NEAS FMS — exam score, eEVAL ranking, time-in-rate, awards, and education all in play.
  • 07eEVAL ranking visible to the LCPO: section training contribution, certification quality, NWAE study posture, and whether the NEC pipeline is moving are the bullets that drive the ranking.
Common Screwups
  • ×Issuing an instruction on a position you are certified on but outside a traffic complexity you have been signed off to handle independently — making the call you are not quite qualified to make because the watch supervisor was momentarily away and you did not want to look uncertain. The traffic recording and the incident report name you as the controller of record, and the analysis will compare the complexity of the traffic to the stage of your certification. 'I thought I could handle it' is the career marker that follows.
  • ×Logging a trainee observation with positive language to avoid the friction of an honest debrief. The trainee you sign off prematurely reaches supervised-solo authorization before the standard is met, and the separation event or pilot deviation that follows traces to the training record with your observation notes in it. On a safety-critical position, a dishonest training record is not an administrative shortcut — it is a safety deviation.
  • ×NJP or alcohol-related incident as an AC3. Petty officer status raised the standard; the NCO-equivalent expectation in the Navy warrant is on from the day the crow goes on. An alcohol-related incident or misconduct finding as a first-term petty officer in a safety-critical rating does not disappear from the record, and the advancement board reads it at AC2 and AC1 selection. The AC3 who thinks the first-term behavior window closed when E-3 does is wrong.
  • ×Missing a recurrency training requirement and working a certified position on an expired certification. The facility log reflects the gap; the type commander inspection finds it under your name and the watch supervisor's. The AC3 whose certification lapses because the recurrency block conflicted with an underway or a field day had options — the time to talk to the watch supervisor about the conflict is before the expiration, not after.
  • ×Sending a text message or posting on social media with content that identifies aircraft types, tail numbers, sortie schedules, or operational patterns. AC3-level watch work generates exactly the information a foreign intelligence collection program targets. The ACAN who posted 'cool pic from the tower' was a trainee; the AC3 who does it is a petty officer on a certified position who should have known better, and the NCIS investigation does not distinguish between intent and effect.

A Day in the Life

  • 0500-0545Wake up. If on a rotating shift watch bill (0600-1400, 1400-2200, 2200-0600), the morning starts earlier or later depending on the watch rotation. Check the facility watch bill for the day's position assignment.
  • 0545-0645PT — running or strength, following the command's prescribed weekly cycle. ATC watch bills rotate around the 24-hour flight schedule; PT happens before watch, between watches, or after knock-off depending on the rotation. No falling out.
  • 0645-0730Hygiene, utilities, chow. Pre-watch brief: review weather products and NOTAMs for the facility's area, review the active NOTAM list for the watch sector, check that certification currency is current for today's assigned position.
  • 0730-0800Muster and plan-of-the-day. Watch assignments confirmed. The AC3 who arrives knowing the day's position assignment and having reviewed the relevant facility SOPs and airspace conditions starts the watch from a ready position, not a catching-up position.
  • 0800-0830Position-relief briefing. Complete, from the checklist — weather, NOTAMs, active runways, equipment status, pending clearances, coordination actions outstanding. The AC3 relieving a certified position runs this brief the same way every time: not because the watch supervisor is watching, but because incomplete briefs cause incidents.
  • 0830-1130Watch on certified position — independently holding ground control, local control, clearance delivery, or approach data as assigned. When traffic is active: scanning the picture, sequencing, coordinating with adjacent sectors, managing the ATIS, and updating the flight progress strips. When traffic is slow: reviewing the FAAO JO 7110.65 section relevant to the current position's certification requirements.
  • 1130-1200Position handoff — run the full position-relief briefing to the relieving controller even if nothing is going on. Check the tool and equipment inventory for the position. Brief the ACAN trainee in the supplemental seat on any traffic or coordination items they observed that deserve explanation.
  • 1200-1300Chow. Mental rehearsal of the afternoon watch — anticipated traffic density, airspace coordination issues, any special activities in the facility area. NWAE BIB review if a study document is accessible.
  • 1300-1530Second watch block or training contribution block. If assigned to an ACAN observation or supplemental training session: coach the position-relief brief, correct phraseology errors in real time during quiet traffic, conduct the end-of-session debrief with chapter citations. If on certified position again: same standard as the morning watch.
  • 1530-1600Watch debrief. If the watch supervisor calls a debrief, be in it with the specific incidents and the relevant FAAO JO 7110.65 citations already in mind. Self-debrief the hardest sequencing decision you made; evaluate it against the separation standard. Update the training record if a trainee observation session was conducted.
  • 1600-1630End-of-day administrative close. Certification currency tracking updated. Personal advancement worksheet reviewed for open requirements. Knock-off.
  • 1630-1800Most garrison days: liberty. Watch section rotation or duty section assignment may extend this. The AC3 who plans 30 minutes of study in the early evening rather than the 11 PM scramble is the one whose BIB coverage runs consistently.
  • 1800-2000NWAE BIB study — 30-45 minutes documented in the study log. Current chapter read-through, practice questions if available, self-test on phraseology chapter from today's watch. Log the session.
  • 2000-2200NEC pipeline research or clearance copying practice. Pull the current NAVADMIN for the NEC pipeline you are targeting and review the source requirements. Or: draft IFR clearances from instrument procedure charts and read them back at dictation pace. Lights out by 2200.

Weekly Cadence

The Mon-Fri rhythm at AC3 runs on two simultaneous cycles: the facility watch bill cycle and the advancement-and-NEC-pipeline cycle. Monday establishes the week's priorities at muster — the watch supervisor briefs the week's position assignments, any scheduled training blocks, and upcoming events in the airspace. The AC3 who arrives at Monday muster with the week's watch bill already reviewed and the certification status confirmed is in a different category from the one who discovers Wednesday's advanced position assignment at Monday quarters. Tuesday and Wednesday are the core production days: the watch bill runs its highest density, training contribution sessions with ACANs fall in the afternoon blocks, and the weekly ATIS and weather product review cycle is at its most active. The AC3 who holds a watch position during a complex traffic period on a Tuesday and then uses the afternoon to brief an ACAN trainee on the same traffic pattern — what the picture looked like, how the sequencing decision was made, where the FAAO JO 7110.65 provision applies — is building the training reputation the LCPO writes about at eEVAL time. Thursday and Friday carry the administrative and advancement close-out. Thursday is when the recurrency training due dates for the coming month are worth checking — any block needed in the next 30 days should be scheduled before Friday, not after. The NEC pipeline advancement worksheet review falls on Friday if the LCPO runs a bi-weekly check. The NWAE study log for the week is tallied; the BIB coverage map is updated. The AC3 who closes Friday with a clean certification matrix, a documented study week, and a training contribution that the LCPO saw directly is the AC3 who enters the weekend ahead, not behind.

Key Skills — How to Drill Each

  1. 01
    Work your certified position independently during an active traffic period — sequence aircraft, execute coordination with adjacent sectors, and handle a pilot deviation debrief without calling the supervisor for routine work.
    Before every watch on a certified position, brief yourself: review the weather, the active NOTAMs, the runway and approach configuration, and the anticipated traffic density. During the watch, treat each aircraft like a separate problem to be sequenced — not a flow to be managed. When the traffic density spikes, slow your transmissions, not your scan. After the watch, reconstruct the hardest sequencing decision you made and evaluate it against the FAAO JO 7110.65 separation standard. The AC3 who self-debriefs after every watch is the one who becomes an AC2 working the approach control radar, not the one who holds ground control forever.
  2. 02
    Execute an IFR clearance with a non-standard routing or an amended departure procedure, coordinated with the ARTCC in real time, with the read-back confirmed and the strip updated.
    Non-standard clearances require the same methodology every time: verify the routing against the active departure procedure, coordinate with the ARTCC before issuing the clearance to the pilot, read the full amended clearance clearly at controlled pace, confirm the pilot's read-back verbatim, and update the flight progress strip immediately. When the ARTCC coordination is running while the pilot is waiting, do not rush the coordination to reduce the pilot's hold time — issue the correct clearance once rather than an amended clearance twice. The AC3 who builds this sequence habit on non-standard clearances does not create strip-update gaps that bite the next controller.
  3. 03
    Conduct an initial CATCC approach briefing under supervision: recovery sequence, marshal stack altitude assignments, bolter-and-wave-off protocol.
    Before a supervised CATCC observation or position session, read the relevant NAVAIR 00-80T-114 section on CATCC approach control and the ship's CATCC SOP. Build a one-page summary of the recovery sequence — marshal stack entry, altitude assignments, approach intervals, carrier controlled approach (CCA) handoff, bolter re-entry — and brief it to yourself before the session. The AC3 who can recite the recovery sequence from the NATOPS reference before the first supervised transmission is the one the CATCC watch supervisor assigns to the approach position earlier in the NEC 7723 pipeline.
  4. 04
    Run the facility's ATIS update when conditions change — new weather, new NOTAMs, runway change — without missing a required element and without broadcasting a stale information code.
    Build an ATIS composition checklist from FAAO JO 7110.65 and the facility SOP, and run it every update. The required elements vary by facility class but the core — weather conditions, active runways, approach in use, NOTAMs, the information code letter — are fixed. After updating the ATIS, notify every active position controller of the new information code before any aircraft reports the new code. The AC3 who broadcasts a new ATIS and does not notify the tower has created a mixed-information environment for the next 10 minutes of traffic.
  5. 05
    Brief a junior trainee on position relief and coach phraseology errors in real time during a supervised observation session without breaking the traffic picture.
    Coaching in a live traffic environment requires a split attention model — one channel on the traffic picture, one channel on the trainee's transmissions. When you hear a phraseology error, wait for the transmission to complete, confirm the traffic is stable, and then offer the correction concisely: the standard phrase, the citation, and why it matters in one sentence. Lengthy coaching during active traffic is how you lose the picture. The correction that takes 10 seconds and cites the rule is worth more than the paragraph that leaves the trainee uncertain about what you are still doing.
  6. 06
    Complete required FAAO JO 7110.65 annual currency training before the expiration date, documented in the facility training record.
    Put the recurrency training expiration dates in a personal tracking document at the start of each year. The annual FAAO JO 7110.65 update training block, the emergency procedures currency requirement, and any facility-specific recurrency blocks all have fixed expiration windows. The watch supervisor should not be reminding you — you should be reminding the watch supervisor that you are due for the training block before the expiration, not scrambling after. The AC3 who manages their own currency calendar is the AC3 the LCPO describes as 'self-managing' on the eEVAL.

Manuals & References — What Chapters Matter

  • FAAO JO 7110.65 — Air Traffic Control (current edition)
    At AC3 you hold certifications under this document, which means you are no longer studying it — you are operating from it. The distinction matters: when you issue an instruction, the instruction is authorized by a specific provision in the 7110.65. When you cannot cite the provision that authorizes an instruction you issued, you cannot defend the instruction in a pilot deviation debrief or an incident investigation. At AC3, focus on deepening fluency in the chapters covering your certified positions — Chapter 3 (airport traffic), Chapter 4 (IFR separation), Chapter 5 (radar) for radar-certified controllers, and Chapter 10 (emergency handling) for every certified position.
  • NAVAIR 00-80T-114 — NATOPS ATC
    The NATOPS ATC manual governs the military-specific procedures that overlay the FAAO JO 7110.65 standard, including CATCC procedures, carrier recovery management, and military training route coordination. At AC3, focus on the sections relevant to your certified positions and the CATCC environment if your command operates carrier ATC. When you brief a CATCC position for the first time under supervision, the NATOPS section covering approach control, marshal stack management, and the carrier controlled approach (CCA) is the reference the ATCO expects you to have read.
  • FAAO JO 7210.3 — Facility Administration
    FAAO JO 7210.3 is the companion to 7110.65 that governs how facilities run administratively: how the training program is documented, how watch supervisors are certified, how the certification matrix is maintained, and how the facility log is kept. At AC3 you interact with these requirements as the controller whose records are being maintained — but understanding how the facility administration framework works prevents the 'I didn't know the training record needed to document that' gap that appears during type commander inspections.
  • OPNAVINST 3721.32 — Naval Air Traffic Management
    OPNAVINST 3721.32 governs naval ATC command organization, certification management, NEC qualification, and the relationship between naval ATC commands and the FAA airspace system. At AC3, focus on the NEC pipeline sections — what each NEC requires for source training, what the certification prerequisites are, and how the NEC pipeline intersects with orders and sea-shore rotation. The AC3 who understands the OPNAVINST 3721.32 NEC framework arrives at the NEC pipeline conversation with the ATCO already knowing the constraints and the options.
  • NAVPERS 18068 Vol II — Manual of Navy Enlisted Manpower and Personnel Classifications, NEC 7718, 7721, and 7723 entries, plus the current NEC source-rating NAVADMIN
    The NEC pipeline decision at AC3 is the most career-shaping choice of the junior enlisted phase, and it should be made from the current source document, not from the copy on the shared drive or the advice of a controller who went through the pipeline three years ago. Pull the current NAVADMIN and read the 7718, 7721, and 7723 catalog entries together — side by side — and identify the source rating requirements, the C-school pipeline, and the operational billet matrix each NEC feeds before talking to the career counselor. The career counselor's recommendation makes sense only after you understand the framework he is recommending within.
  • NWAE BIB for the current AC2 advancement cycle — pull from MyNavyHR / NETC
    The AC2 NWAE draws from the same documents you are working for facility certifications, plus the rate's PME content. Pull the BIB at check-in to the AC3 rate and build a study plan with weekly milestones covering the BIB documents over the cycle. The AC3 who completes the BIB twice before the NWAE is not studying harder than the competition — the AC3 who studies from the BIB daily for the full advancement cycle is. The final multiple score for AC2 advancement is sensitive to exam score; the half-point difference that determines slate selection is exactly the half-point that comes from the chapter you reviewed once versus the chapter you reviewed four times.

Standards — How to Hit Each

  • Facility certification(s) current and recurrency training documented on schedule — a lapsed certification removes you from the watch bill and costs the facility a working position.
    Track your certification expiration and recurrency training windows in a personal calendar. The watch supervisor should not be telling you that your annual emergency procedures currency is expiring; you should be scheduling the recurrency block with the supervisor before the expiration window closes. The AC3 who manages the certification calendar independently is the one the ATCO describes as 'self-managing' — which is the specific quality that distinguishes an E-4 with AC2 potential from an E-4 who needs to be managed.
  • NWAE for AC2 preparation on the LCPO's timeline — the advancement exam is a competition, not a threshold.
    Pull the BIB from MyNavyHR / NETC. Map the BIB documents onto a 12-month study calendar at 30-45 minutes daily. Log the sessions. When the LCPO reviews the advancement worksheet, the study log is the evidence that the AC3 is managing the advancement cycle rather than reacting to it. The FMS for AC2 advancement is competitive — the exam score matters in tenths of points. The AC3 who scores in the top 15% of the exam because the BIB is fully covered is the one whose eEVAL ranking can carry the slate.
  • NEC pipeline target identified and documented in coordination with the ATCO and LCPO before the first eEVAL closes.
    Schedule a formal NEC pipeline conversation with the ATCO and the LCPO within the first 90 days of the AC3 phase. Come prepared with the NAVPERS 18068 Vol II entries for 7718, 7721, and 7723, the current NAVADMIN, and a preliminary idea of the post-service path you are building toward. The conversation is not about committing permanently — it is about establishing a direction the command can support with orders and training pipeline access. The AC3 without a documented NEC direction is the one the ATCO cannot build a training plan around.
  • PRT Good Medium or better; BCA in standard — physically below standard in a safety-critical position is a character statement.
    Three running days and two strength days per week. Run the PRT cycle at training pace, not race pace on test day. The AC3 who arrives to the PRT having been running three days a week passes without drama; the one who has not been training treats the PRT as a surprise. The PRT score is an eEVAL input — Good Medium supports a Strong Performer evaluation; Satisfactory does not.
  • Zero unsupervised transmissions on uncertified positions — the facility log and traffic recordings are permanent.
    The certification boundary is absolute. If you are working a position you are not certified on — even briefly, even because the certified controller needed to step out — the transmission is unauthorized and the risk is real. The correct action when no certified controller is available for a position is to notify the watch supervisor before the position is staffed or before an aircraft calls. The AC3 who holds the line on unauthorized transmissions is the one the watch supervisor trusts with the next unsupervised certification.

Technical Mistakes — Concrete Consequences

  • Issuing radar identification without completing the full identification procedure from FAAO JO 7110.65 Section 5-3.
    A misidentified aircraft handed to the next sector or to approach control as a verified radar track is a separation event waiting to happen — because the receiving controller's separation geometry is built on a position that is not where the controller says it is. The FAAO JO 7110.65 identification procedures exist precisely because radar paints positions, and a position needs to be matched to a specific aircraft, not assumed. When the incident investigation runs the radar replay, the identification gap is the first frame the board examines.
  • Treating a TCAS resolution advisory (RA) callout from a pilot as routine traffic information.
    FAAO JO 7110.65 is explicit: when a pilot reports a TCAS RA, the controller takes no action that conflicts with the RA maneuver and clears the frequency until the maneuver is complete. Issuing an instruction that conflicts with the RA — even a reasonable instruction based on the traffic picture — creates a direct conflict between the controller's instruction and the safety system's command. The pilot must follow the RA; if the controller's conflicting instruction produces confusion at the moment the RA requires action, the outcome is exactly what the RA system was designed to prevent.
  • Accepting a verbal coordination on a non-radar handoff without reading back the critical elements.
    The critical elements of a sector-boundary handoff — the handoff aircraft's altitude, speed, route, and any restrictions — are the parameters the receiving controller uses to build the separation geometry for the next traffic conflict. A missed altitude on a verbal handoff means the receiving controller is sequencing based on a wrong altitude, and the conflict that follows often fires the proximity alert before either controller realizes the separation assumption was wrong. The read-back takes four seconds and creates a verification record; the absence of a read-back creates the most common sector-boundary incident in civilian and military ATC.
  • Updating the ATIS without notifying all active approach and local controllers of the new information code.
    Aircraft reporting the old information code are operating on different weather data than aircraft reporting the new code. The controller has to know which information each pilot has — because the altimeter setting, the active runway, and the approach in use may have changed. The AC3 who updates the ATIS and does not notify the tower creates a mixed-information environment for the next 10-15 minutes where no controller is certain which code each aircraft has. The first missed altimeter setting on approach is how this becomes an incident.
  • Logging a trainee's observation with positive language to avoid the friction of an honest debrief.
    Inaccurate training records advance trainees to supervised-solo authorization before the standard is met. The debrief that avoids the hard correction is the debrief that creates the record of progress that does not reflect the actual competency level. When the trainee reaches a position solo authorization and the traffic complexity exposes the gap, the separation event that follows references the training record — and the observation notes with your name on them are the document the review board reads to understand why the trainee was authorized to work the position independently.

Career Decisions at This Rank

  • NEC 7718 (Approach Controller) versus NEC 7721 (Radar Controller) versus NEC 7723 (CATCC Controller) — which pipeline to pursue and when to commit
    This is the highest-stakes career decision at the AC3 tier. NEC 7721 (Radar Controller) is the broadest credential: approach control radar certification at a military terminal facility, directly parallel to the FAA TRACON controller qualification that the FAA PEPC hiring pathway values most. NEC 7723 (CATCC Controller) is the carrier-specialist credential: the CATCC environment is the most demanding in naval aviation, the eEVAL narrative it produces is strong, and the sea-duty billets it feeds are operationally rich — but the FAA civilian market parallel is narrower. NEC 7718 (Approach) is frequently the stepping stone to 7721 for controllers building the approach certification prerequisites. The honest analysis depends on the post-service path: controllers who intend to transition to FAA ATC should sequence toward NEC 7721 and accumulate radar approach control hours. Controllers who intend to stay Navy into senior enlisted should consider whether CATCC depth builds the stronger board narrative for their command's mission. Talk to the ATCO and an AC2 or AC1 who holds each NEC — not the brochure version, the 'what did the billet actually look like' version.
  • Re-enlistment at the end of first term — SRB math versus EAS into FAA hiring or civilian aviation
    The AC3 re-enlistment window typically opens 12-24 months before contract end. The AC rate SRB schedule (pull the current NAVADMIN — the rate and NEC matter significantly) may include a meaningful bonus for NEC-coded controllers in the right re-enlistment zone. The honest math: base pay plus BAH (with dependents) plus SRB net of taxes, weighed against the FAA GS-14 facility pay for a terminal radar controller at a mid-level facility, the veteran preference advantage in the PEPC hiring program, and the value of a security clearance in the defense contractor and federal civilian market. The ACAAN who arrives at the re-enlistment conversation with the FAA GS pay table for the facility closest to home, the PEPC application timeline, and the current SRB NAVADMIN on the same table is the one making an informed decision. The one who re-enlists to solve a short-term money problem and exits anyway at second-term loses both the SRB vesting and the PEPC veteran preference window.
  • Shore-duty versus sea-duty follow-on billet — NAS follow-on versus CATCC shipboard versus expeditionary assignment
    The first follow-on billet from AC3 shapes the NEC pipeline and the eEVAL narrative for the AC2 phase. NAS follow-on builds the approach or radar certification hours the FAA PEPC program values and gives a structured training environment for NEC pipeline advancement. Shipboard CATCC billet builds the carrier operational experience the NEC 7723 pipeline requires and generates the 'carrier ATC operational credibility' narrative the senior advancement boards value. Expeditionary assignments build independent decision-making depth and are highly eEVAL-visible in a small team but may limit NEC pipeline advancement due to training facility access. The choice between these is partly the Navy's (orders are not always elective) and partly the AC3's — but the AC3 who communicates preferences to the LCPO and the detailer in advance, with a clear rationale, is more likely to receive a billet that fits the career plan.
  • Flight control warrant officer consideration — the LDO / CWO maritime aviation operations pipeline
    The Navy Warrant Officer aviation and maritime specialties include aviation operations and air traffic control specializations. The AC3 is at the early end of the window to build the record a competitive warrant officer package requires: strong eEVALs, a warfare device, command endorsement, and NEC credentials. The CWO track in the ATC specialty puts a former enlisted controller into a technical-authority officer role where the depth of the NEC and facility certification experience is directly valued. The honest test at AC3: is the goal the officer career path, or is the goal the deckplate senior enlisted leadership track to AC1 and ACCS? Both are legitimate paths and the decision affects every billet choice from this point forward. Talk to a warrant officer in the aviation ATC specialty before deciding — the ATCO knows at least one.

How the Seat Varies by Unit Type

  • Large NAS tower and approach control (NAS Oceana, NAS Lemoore, NAS Norfolk, NAS Jacksonville)
    The AC3 at a large NAS operates in a high-density radar environment with diverse traffic — carrier air wings working up for deployment, training aircraft, transient military and civilian aircraft, instrument approaches, military training routes, and special use airspace activations. The certification matrix is broader and the traffic complexity arrives earlier than at smaller facilities. The training infrastructure is better resourced but the trainee-to-supervisor ratio is higher, meaning the AC3 who self-directs the certification progression gets more attention than the one who waits for the training schedule to move. NEC 7721 (Radar) pipeline work is most accessible at these commands.
  • Carrier Air Traffic Control Center (CATCC) aboard a CVN or LHA/LHD
    The AC3 working toward NEC 7723 in a CATCC environment is in the most operationally demanding ATC training environment in the naval inventory. Recoveries run in daylight, night, and adverse weather; the ship moves; the aircraft come back with fuel states that create urgency; the CATCC team has to sequence, separate, and vector aircraft onto a moving deck with margins that shore-based ATC does not face. The AC3 who invests in understanding the full CATCC recovery sequence from the observer seat — not just the position they are being certified on — compresses the NEC 7723 training timeline because the mental model of the whole system is already built when the position certifications begin.
  • Smaller NAS or training base (NAS Whiting Field, NAS Meridian, NAS Kingsville)
    Smaller NAS facilities generate fewer simultaneous traffic conflicts and a lower position complexity ceiling, which means the AC3 gets to supervised-solo authorization faster — but the operational depth that comes from high-density traffic does not arrive at these commands. The AC3 at a training base will see consistent instrument approach traffic, pattern work, and basic IFR clearance work at high volume but limited complexity. The trade-off is more supervised solo hours per month against less complex traffic. For the NEC 7721 pipeline, a follow-on billet at a major NAS after this tour is the standard sequencing.
  • Joint or contingency ATC environment
    AC3 controllers occasionally serve in joint ATC assignments or expeditionary billets in support of overseas operations. In these environments, the equipment may be less capable than garrison NAS facilities, the ATCO oversight tier is thinner, and the individual controller carries more operational weight per watch than at a large NAS. The eEVAL visibility is often high because the command is smaller and the controller's direct contribution to mission is observable. The trade-off: NEC pipeline advancement may require additional coordination with the NPC detailer, and recurrency training opportunities may be limited.
  • Naval Air Reserve ATC facility (part-time at a Reserve NAS or USNR ATC unit)
    Reserve ATC billets for active-component AC3s are uncommon but exist in cross-training and mobilization contexts. The key difference: the facility operates on a drill-weekend and annual training schedule rather than a 24/7 watch bill. Certification maintenance requires deliberate attention to recurrency windows because the operating tempo between drills is lower. For most AC3s this is not the primary assignment, but awareness of the Reserve ATC community matters for the post-separation landscape, where Reserve facility billets are a way to maintain FAA-parallel ATC hours.

What Good Looks Like at This Rank

The good AC3 is the petty officer the watch supervisor assigns to the combined ground/local position during a moderate-density period because the picture will be clean, the coordination will run on time, and the trainee in the supplemental seat will see what the certified standard looks like. The FAAO JO 7110.65 phraseology is word-for-word, the ATIS update is notified before the aircraft start checking in on the new code, and the position-relief briefing — every single one, even the 10-minute handoff — is complete. The supervisor never reaches across him for a system function or a frequency call. His training notes on the ACAN observations are honest. When the trainee's phraseology deviation is worth correcting, the correction names the chapter and the rule in one sentence and does not turn into a lecture while the traffic is running. When the trainee is not ready to advance on the position, the training record reflects that — because the AC3 who signs a trainee off prematurely is the AC3 who owns the separation event that follows. The LCPO who reviews the training record after a facility incident reads the AC3's observation notes and either trusts the record or does not. His NEC pipeline is identified and in motion before the first eEVAL closes. His NWAE study log is documented and on the BIB schedule. His certification matrix is current with zero lapses and no recurrency blocks that needed the watch supervisor to schedule them. The first eEVAL reads 'self-managing' because the petty officer managed himself — certifications, study, training contribution, and OPSEC discipline without being reminded. That is what the LCPO is watching for, and the AC3 who delivers it by month 12 is the one the advancement board selects when the AC2 slate opens.

Preview — The Next Rank

AC2 (E-5) is the working senior controller — the one the watch supervisor puts on the approach control radar during a high-density recovery because the sequence will be tight and the picture needs to stay clean. The step from AC3 to AC2 is the step from 'holds a certification' to 'owns a position' — the approach control or CATCC assignment where the watch supervisor is not reaching across you because there is no reason to. The mental picture, the coordination reflexes, and the phraseology discipline you built as an AC3 under active traffic either show up at AC2 or they do not, and they will not appear at AC2 if they were not drilled at AC3. At AC2 the NEC is awarded or in-pipeline, which means the technical identity of the career is established. NEC 7721 radar controllers work the approach environment at the major NAS facilities or the CATCC approach position on carrier billets. NEC 7723 CATCC specialists own the carrier recovery approach control, departure control, and marshal stack management with increasing independence. The billet that follows the NEC is the billet the eEVAL and the advancement board read as 'this controller's operational credibility.' The training responsibility also expands at AC2 in a way that is not fully visible from AC3: at AC2 you are building the section training plan, tracking ACAN and AC3 qualification progress, writing the training record entries the ATCO briefs, and coaching controllers through certifications without the watch supervisor managing the training program for you. The move from coaching informally as an AC3 to owning the training plan as an AC2 is the move from a performer to a leader, and the NWAE for AC1 starts the clock immediately after the AC2 crow goes on.
FAQ

AC E4 — Frequently Asked Questions

Q01What does a E4 AC (Air Traffic Controller) actually do?
You have a certification — ground, local, approach data, or a supervised-solo endorsement on a radar position — and now you are on the watch bill as a working controller.
Q02What's the most important thing to know as a E4 AC?
You have a certification and a crow.
Q03What does a typical day look like for a E4 AC?
Time-blocked day at the E4 AC rank tier: 0500-0545 Wake up. If on a rotating shift watch bill (0600-1400, 1400-2200, 2200-0600), the morning starts earlier or later depending on the watch rotation. Check the facility watch bill for the day's position assignment, 0545-0645 PT — running or strength, following the command's prescribed weekly cycle. ATC watch bills rotate around the 24-hour flight schedule; PT happens before watch, between watches, or after knock-off depending on the rotation. No falling out, 0645-0730 Hygiene, utilities, chow.…
Q04What mistakes get E4 AC soldiers fired or relieved?
Issuing an instruction on a position you are certified on but outside a traffic complexity you have been signed off to handle independently — making the call you are not quite qualified to make because the watch supervisor was momentarily away and you did not want to look uncertain. The traffic recording and the incident report name you as the controller of record, and the analysis will compare the complexity of the traffic to the stage of your certification.…
Q05What career decisions matter most at the E4 AC rank tier?
NEC 7718 (Approach Controller) versus NEC 7721 (Radar Controller) versus NEC 7723 (CATCC Controller) — which pipeline to pursue and when to commit — This is the highest-stakes career decision at the AC3 tier. NEC 7721 (Radar Controller) is the broadest credential: approach control radar certification at a military terminal facility, directly parallel to the FAA TRACON controller qualification that the FAA PEPC hiring pathway values most. NEC 7723 (CATCC Controller) is the carrier-specialist credential: the CATCC environment is the most demanding in naval aviation,…
Q06What's next after E4 for a AC (Air Traffic Controller) in the Navy?
AC2 (E-5) is the working senior controller — the one the watch supervisor puts on the approach control radar during a high-density recovery because the sequence will be tight and the picture needs to stay clean.
Q07What manuals and regulations does a E4 AC need to know cold?
FAAO JO 7110.65 — Air Traffic Control; you hold certifications off this document now, you do not just study it for the exam.; NAVAIR 00-80T-114 — NATOPS ATC; the military-specific procedures that overlay the FAAO JO 7110.65 standard; carrier and expeditionary ATC procedures are here.; OPNAVINST 3721.32 — Naval Air Traffic Management; the governing instruction for how naval ATC commands are organized and how certifications are managed.

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