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Aircraft Electrician skills: what to learn first, and what can wait

Nobody hires an aircraft electrician for knowing Ohm's law. They hire you because you can open a wiring diagram, find the right connector behind the right panel, and leave a repair that still works after months of vibration and cold soak. Learn the hand skills and the manuals first; the system knowledge and the paperwork authority come after.

30 open jobs

Step one

Gets you the interview

Reading the Wiring Diagram Manual and schematicsEvery job starts with tracing a circuit on paper: wire numbers, connector and pin callouts, splice locations, ground studs. If you can follow a signal from a circuit breaker to a sensor without getting lost between sheets, a lead can hand you real work on day one.

Crimping, splicing and pinning to the standard wiring practices manualYou'll strip with the right tool, pick the correct crimp die and contact, and insert and extract pins without wrecking the grommet. A calibrated crimp tool and a pull test are how you prove the joint is good, so bring that habit to the interview.

Multimeter work on dead and live circuitsVoltage drop, continuity, resistance to ground and checking for a short across pins. Knowing when your probe is lying to you matters more than owning a fancy meter.

Safing the aircraft before you touch anythingPulling and collaring breakers, hanging tags, disconnecting ground power and the battery, and respecting capacitors in lighting and ignition units. Interviewers ask about this first, because a shortcut here gets people hurt.

Step two

Gets you the offer

Chasing intermittent faultsThe job that eats a shift is the fault that only appears at altitude or on one bumpy taxi. Wiggle testing a bundle while watching a meter or a maintenance page, checking backshells and looking for chafe at clamps is what separates you from someone who swaps parts until it goes away.

Bonding and insulation resistance testingUsing a milliohm bonding meter on structure and a megger on wiring shows you understand lightning protection and hidden insulation breakdown. Plenty of applicants know a continuity check; fewer know when each of these tests belongs.

Building and repairing wire harnessesLaying out wire harnesses on a board, lacing them, adding sleeving, shield terminations and heat shrink, then routing them with proper clamp spacing. Modification shops want work that looks factory-built.

Aircraft power generation and distributionGenerators, transformer rectifier units, inverters, bus power control and battery chargers. When you can explain how the aircraft switches from ground power to APU to engine generators, you can reason through a bus that won't come online.

Step three

Gets you promoted

Fault isolation using built-in test and maintenance computersNewer aircraft log faults in a central maintenance system. Reading those codes, cross-checking them against the Fault Isolation Manual and knowing when a message points at wiring rather than a box saves hours and parts.

Wiring for modifications and service bulletinsInstalling new equipment means reading engineering drawings, adding circuits, running load analysis questions past engineering and updating the wiring records. Senior electricians own these jobs from kit to sign-off.

Clean maintenance records and return to serviceWriting entries that name the manual reference, the wires repaired and the test performed is what lets an inspector sign without calling you back. Holding sign-off authority is usually the step that moves you to lead.

Teaching the next personLeads walk newer techs through crimp tool selection, breaker safing and diagram reading on the floor. That habit is how shops spot their next lead.

Certificates worth your time

Certificate	Best for	Effort	Worth it?
FAA Mechanic Certificate with Airframe rating (A&P)	Anyone who wants to sign off their own work on civil aircraft	A long school program or documented hands-on experience, then written, oral and practical tests	The one that changes your job. Without it you can repair wiring under supervision; with it you can return the aircraft to service, and leads look for it first.
NCATT Aircraft Electronics Technician (AET)	Electricians leaning toward avionics or repair stations that value it	A few weekends of study and one written exam	Worth it if you don't hold an A&P yet or want to show electronics theory. It won't replace the FAA certificate, but it's a clean signal on a résumé.
IPC/WHMA-A-620 certification	Modification centers and shops building wire harnesses and cable assemblies	A short course of several days with a hands-on test	Useful in shops that build harnesses to this standard. Skip it if your work is all line maintenance on the ramp.

Requirements and course formats change, so check with the FAA, NCATT or the training provider directly before you pay for anything.

Put it on your resume like this

Weak

Performed electrical maintenance and repairs on aircraft.

Strong

Traced and fixed 14 intermittent faults on regional jet fuel quantity and lighting circuits, repairing 60+ wire splices to the standard wiring practices manual with zero repeat write-ups.

Questions people ask

Can a house or industrial electrician switch to aircraft work?

Yes, and your meter skills carry over. What you'll have to relearn is the scale and the rules: tiny gauges, crimped contacts instead of wire nuts, and the manufacturer's manuals in place of a code book.

Do I need to buy my own crimp tools?

Usually not. Employers supply calibrated crimpers, pin tools and test sets because they track calibration. You'll likely bring your own basic hand tools, so ask for the shop's tool list.

Is avionics the same thing as aircraft electrical?

They overlap. Electricians focus on power, lighting, wiring and the harnesses themselves, while avionics techs spend more time on radios, navigation and flight displays. Many shops blur the line anyway.

What should I learn first if I'm still in school?

Diagram reading and crimping. Practice until you can pin a connector from a diagram without checking twice.

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