Transportation
Aircraft Electrician Job Description
Aircraft Electricians install, inspect, test, and repair the electrical wiring, circuits, power generation systems, and lighting on aircraft. Working under FAA Part 145 repair stations, airline maintenance departments, or military MRO operations, they troubleshoot faults using wiring diagrams and test equipment, ensuring every circuit meets airworthiness standards before an aircraft returns to service.
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Role at a glance
- Typical education
- Two-year aviation maintenance technology program or 18 months equivalent experience
- Typical experience
- Entry-level to experienced (requires A&P certification)
- Key certifications
- FAA Airframe and Powerplant (A&P) Certificate, FAA Inspection Authorization (IA)
- Top employer types
- Commercial airlines, MRO facilities, defense contractors, military aviation
- Growth outlook
- Strong demand driven by technician shortages and aging workforce retirements
- AI impact (through 2030)
- Augmentation; while AI may assist in complex fault isolation and predictive maintenance, the physical nature of wiring, inspections, and hardware repair remains a human-centric task.
Duties and responsibilities
- Inspect, test, and repair aircraft electrical wiring, connectors, circuit breakers, and bonding straps using wiring manuals and schematics
- Diagnose electrical faults using digital multimeters, oscilloscopes, pin-out testers, and aircraft-specific BITE (Built-In Test Equipment)
- Remove and replace defective wire bundles, connectors, and electrical components per applicable Maintenance Manual or SRM procedures
- Install and route new wire runs in accordance with FAA Advisory Circulars (AC 43.13) and aircraft manufacturer wiring standards
- Inspect and service aircraft power generation systems: generators, alternators, APU power circuits, and bus tie systems
- Test and functionally check lighting systems including navigation lights, landing lights, strobe systems, and cockpit lighting
- Perform scheduled maintenance tasks from aircraft Maintenance Program documents, including C-Check and D-Check electrical tasks
- Complete maintenance records, work orders, and return-to-service documentation accurately per Part 43 and Part 145 requirements
- Coordinate with avionics technicians on integrated avionics wiring and power supply issues affecting system functionality
- Comply with ESD (electrostatic discharge) handling requirements for avionics-adjacent work and component handling
Overview
Aircraft Electricians maintain the electrical infrastructure that makes modern aviation possible. Everything on an aircraft that uses electricity — from the reading lights in the cabin to the flight management computer to the hydraulic pump motor — depends on wiring that was installed and maintained by someone with electrical expertise. When that wiring or its associated components fails, an aircraft can't fly, and the electrician is the specialist who fixes it.
The work divides between scheduled maintenance and unscheduled troubleshooting. Scheduled electrical tasks are defined in the aircraft's Maintenance Program: wire harness inspections at specified intervals, corrosion checks on bonding straps, generator overhauls at calendar or flight-hour limits. These tasks are methodical and procedural — follow the Maintenance Manual step by step, document what was found, sign the return-to-service entry.
Troubleshooting is where technical depth shows. An intermittent cockpit display fault, a generator not switching to an alternate bus, a landing light circuit breaker that trips under load — these problems often don't present consistently, and the maintenance manual's fault isolation procedure may require working through 15–20 logic branches before reaching the root cause. Good aircraft electricians develop a diagnostic intuition that cuts through that process, informed by knowing how aircraft electrical systems work at a fundamental level, not just procedurally.
On large transport aircraft like the Boeing 777 or Airbus A380, electrical systems are enormously complex — multiple redundant bus systems, wire bundles containing thousands of individual circuits, power generation at levels that require careful arc flash safety procedures. Heavy check maintenance at MRO facilities involves extensive electrical system inspection as part of C-Check and D-Check programs, and electrical specialists are in demand for these high-work-scope events.
Qualifications
Certification requirements:
- FAA Airframe and Powerplant (A&P) Certificate: required for sign-off authority on maintenance work; two-year aviation maintenance technology program or 18 months of equivalent experience plus written, oral, and practical tests
- FAA Inspection Authorization (IA): additional certification available to experienced A&P mechanics for more complex inspection and return-to-service authority
- Military MOS equivalent: military aircraft electricians (2A6X1, 15F, Aviation Electronics equivalent) typically receive credit toward civilian certification requirements
Technical skills:
- Wiring: wire routing, splicing, crimping, connector assembly, and backshell installation per mil-spec and manufacturer standards
- Test equipment: digital multimeter, megohmmer, wire insulation tester, power quality analyzer, logic probes
- Aircraft systems knowledge: AC and DC power generation, load shedding, emergency bus configuration, APU electrical systems
- Wiring diagrams: reading aircraft Wiring Diagram Manuals (WDM), system schematics, and harness drawings
- EWIS compliance: FAR 25.1701 and AC 25.1701 requirements for wiring inspection and maintenance
Reference documents:
- FAA AC 43.13-1B: acceptable methods for aircraft wiring
- Boeing AMM/WDM or Airbus AMM/ASM depending on fleet
- Aircraft Maintenance Manuals, Structural Repair Manuals, and Component Maintenance Manuals
Physical requirements:
- Work in confined spaces: aft equipment bays, tail cones, wing access panels
- Work at height on maintenance stands and mobile platforms
- Good color vision (critical for wire color identification per wiring standards)
Career outlook
Aviation maintenance workforce demand is strong across all specializations, including aircraft electricians. The FAA and aviation industry groups have projected a shortage of aviation maintenance technicians that will worsen as experienced workers retire. The maintenance workforce skews older than the overall workforce, and aviation maintenance programs have not maintained sufficient enrollment to replace departing workers at the current pace.
Commercial airline fleets are growing globally. In North America, the major carriers are taking delivery of new aircraft while maintaining aging fleet members through heavy maintenance checks that require full electrical system inspection and repair. The MRO (maintenance, repair, and overhaul) sector — the large commercial maintenance facilities that perform major checks for airlines — employs thousands of aircraft electricians and is consistently recruiting.
Military aviation maintenance is a parallel employment sector. Air Force, Navy, and Army aviation programs require skilled aircraft electricians at both active-duty and depot/contractor levels. The defense budget's sustained aviation modernization programs (F-35 sustainment, helicopter fleet upgrades, drone integration) keep military MRO staffing high.
The electric propulsion transition is the most significant long-term change affecting this career. Electric and hybrid-electric regional aircraft are in active development and early certification, and they will require electricians who understand high-voltage DC systems and battery management at scales beyond conventional aircraft. The knowledge base is different from conventional wiring work, but the career will accommodate technicians who invest in developing it.
For workers who complete A&P certification and develop aircraft-specific electrical troubleshooting expertise, the career offers strong earnings, genuine job security driven by regulatory necessity, and a variety of employment settings — airlines, MROs, defense contractors, business aviation — that allow workers to find the environment and schedule that suits them.
Sample cover letter
Dear Hiring Manager,
I'm applying for the Aircraft Electrician position at [Company]. I've been an FAA-certificated A&P mechanic for six years, with the last four focused on electrical systems and avionics-adjacent maintenance at [MRO/Airline], where I work primarily on the narrow-body fleet.
My daily work involves fault isolation from pilot write-ups, scheduled electrical task cards during overnight checks, and wiring repair during B-Check inputs. I'm proficient with Boeing WDMs and AMMs, comfortable with both DC bus troubleshooting and AC power distribution issues, and I do connector work — assembly, insertion, and extraction — routinely enough that I've developed fast hands on the milspec connectors the fleet uses.
A troubleshooting job I'm particularly proud of was an intermittent IDG fault indication on a 737 that had been written up and closed five times without finding the root cause. I pulled the fault history from the ACARS download, compared it against maintenance log timing, and found the fault correlated with engine start in cold temperatures. That narrowed my attention to the IDG output connector thermal cycling — I found micro-cracking on one of the solder cups that was only breaking continuity when it contracted in the cold. We replaced the connector assembly and the fault didn't recur. The maintenance supervisor wrote it up as an example in the next technical briefing.
I'm looking for a role with wider aircraft type exposure and heavy check electrical work. Your operation's C-Check program and mixed fleet looks like the right step.
Thank you for your consideration.
[Your Name]
Frequently asked questions
- What does an Aircraft Electrician do?
- Aircraft Electricians install, inspect, test, and repair the electrical wiring, circuits, power generation systems, and lighting on aircraft. Working under FAA Part 145 repair stations, airline maintenance departments, or military MRO operations, they troubleshoot faults using wiring diagrams and test equipment, ensuring every circuit meets airworthiness standards before an aircraft returns to service.
- What are the main duties of an Aircraft Electrician?
- Core duties include: inspect, test, and repair aircraft electrical wiring, connectors, circuit breakers, and bonding straps using wiring manuals and schematics; diagnose electrical faults using digital multimeters, oscilloscopes, pin-out testers, and aircraft-specific BITE (Built-In Test Equipment); and remove and replace defective wire bundles, connectors, and electrical components per applicable Maintenance Manual or SRM procedures.
- Do Aircraft Electricians need an FAA certificate?
- An FAA Airframe and Powerplant (A&P) certificate is the standard credential for aircraft maintenance, including electrical work. Some employers hire electrical specialists without an A&P and have them work under the supervision of a certificated mechanic, but advancement and earning potential are significantly higher with A&P certification. An FAA Avionics Technician certificate (which requires separate A&P or defined experience) specifically covers avionics and electrical systems.
- What is the difference between an Aircraft Electrician and an Avionics Technician?
- Aircraft Electricians focus on the aircraft's electrical power distribution system — wiring harnesses, generators, busses, lighting, and the circuits that power systems. Avionics Technicians focus on the electronic systems themselves — navigation radios, flight management computers, instrument displays, and communication equipment. There is substantial overlap, and experienced aircraft electricians often develop proficiency in both areas.
- What wiring standards do Aircraft Electricians follow?
- The primary reference is FAA Advisory Circular AC 43.13-1B, which covers acceptable methods for aircraft electrical wiring installation and repair. Aircraft-specific wiring manuals (AMM, WDM) from manufacturers like Boeing, Airbus, and Bombardier provide system-specific procedures. MIL-W-22759 and MIL-SPEC wire types are used on military aircraft. EWIS (Electrical Wiring Interconnect System) requirements under FAR Part 25.1701 apply to transport category aircraft.
- What are the working conditions for Aircraft Electricians?
- Aircraft electricians work in hangars, on ramp areas, and inside aircraft — often in confined spaces like wheel wells, tail cones, and wire routing channels behind panels. Work can involve working at height on maintenance platforms or in overhead areas of large widebody aircraft. Shift work is standard at airlines and MROs, with overtime during AOG situations and major checks. Military depot work is typically day-shift oriented.
- How is electric propulsion affecting aircraft electrician career prospects?
- Electric and hybrid-electric propulsion systems in development for regional and short-haul aircraft will substantially increase the electrical system complexity of the aircraft those electricians maintain. High-voltage battery systems, motor controllers, and electric power distribution at scales far beyond conventional aircraft electrical systems will require significant specialization. Aircraft electricians with a background in high-voltage electrical systems will be well positioned as these aircraft enter service.
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