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Avionics & Electrical Parts

Buy navigation, communication and cockpit electronics with confidence.

Navigation, communication and cockpit electronics have to match your aircraft exactly. Aviatrading helps buyers find avionics and electrical parts from airlines, MROs, avionics shops and parts traders — with the part number, condition and certificate type on every listing and the seller one message away.

Avionics are bought on part number and paperwork

Avionics are among the most configuration-sensitive parts on an aircraft. Two units can look identical and share most of a part number, yet differ in modification status or software and not be interchangeable.

That is why buying avionics comes down to two things: the exact part number and the paperwork behind it. On Aviatrading you can search by part number, compare offers side by side and ask the seller to confirm the details before you buy.

What you can source

Buyers on Aviatrading source:

  • Navigation — VOR/ILS receivers, GPS units, ADF, DME, inertial reference units.
  • Communication — VHF and HF radios, audio control panels, satellite communication units.
  • Cockpit displays and instruments — display units, standby instruments, control panels.
  • Surveillance — transponders, TCAS, weather radar components.
  • Flight control and management — flight control computers, autopilot servos, FMS units.
  • Electrical power — generators, starter-generators, transformer rectifier units, batteries, wiring harnesses and connectors.
Avionics technician removing a unit from an aircraft equipment rack

Match the exact configuration

Before you order, check that the unit fits your aircraft:

  • the full part number, including the dash number;
  • the modification (mod) status shown on the data plate;
  • the software version for software-loaded units;
  • interchangeability notes in the component maintenance manual or the illustrated parts catalog.

Ask the seller to send a photo of the data plate. It takes a minute and avoids the most common avionics return.

Close-up of an avionics unit data plate with part and serial numbers

Tested, certified and traceable

An avionics unit is usually sold as overhauled, repaired, inspected/tested or as removed. For anything but "as removed", ask for:

  • the release certificate — FAA 8130-3 or EASA Form 1 — for the current condition;
  • the shop's test report showing what was tested and when;
  • part and serial numbers that match the unit.

Our guide to FAA 8130-3 and EASA Form 1 shows where to find the status and approval on the certificate.

Technician running a bench test on an avionics unit in a repair shop

Replacement, exchange or upgrade

Depending on urgency and budget, you can:

  • buy outright — a serviceable or new unit you keep;
  • take an exchange — a serviceable unit now, with your removed unit returned as a core;
  • repair your own unit — the cheapest option when the aircraft can wait;
  • upgrade — move to a newer standard when the old one is obsolete or hard to find.

Electrical parts such as generators and starter-generators are commonly traded on exchange, too. Browse electrotechnical equipment in the catalog.

How to buy on Aviatrading

  1. Search by the full part number, or browse on-board equipment.
  2. Compare condition and certificate type across sellers.
  3. Ask the seller to confirm mod status, software version and test date.
  4. Post an RFQ if the unit is not listed.
  5. Check the documents and agree price, terms and delivery with the seller.

Looking for other parts? See all aircraft parts for sale.

Why avionics buyers use Aviatrading

Find the right unit faster and check it before you commit.

  • Exact part number search

    Search by the full part number, including the dash number, and compare offers.

  • Certificate type on every listing

    See whether a unit comes with FAA 8130-3, EASA Form 1 or another release.

  • Ask the seller directly

    Confirm mod status, software version and test date before you buy.

  • Sellers worldwide

    Airlines, MROs, avionics shops and parts traders list their stock.

Common avionics and electrical parts

GroupExamples
NavigationVOR/ILS receivers, GPS units, DME, ADF, inertial reference units
CommunicationVHF/HF radios, audio control panels, SATCOM units
Displays and instrumentsDisplay units, standby instruments, control panels
SurveillanceTransponders, TCAS units, weather radar parts
Flight control and managementFlight control computers, autopilot servos, FMS units
Electrical powerGenerators, starter-generators, TRUs, batteries, harnesses

Questions avionics buyers ask

  • Not always. Check the dash number, the modification (mod) status and, for software-loaded units, the software version against your aircraft's configuration and the component maintenance manual.

  • That the unit worked to its test specification on the shop's test equipment on that date. Ask for the test report together with the release certificate.

  • Many sellers offer exchange — you receive a serviceable unit and return your removed one as a core. Ask the seller about exchange fees and core return terms.

  • A release certificate such as FAA 8130-3 or EASA Form 1 for its current condition, with part and serial numbers that match the unit.

  • Post an RFQ with the part number and the condition you need. Sellers holding the unit can reply with an offer.

Looking for an avionics unit?

Browse on-board equipment, or post an RFQ with the part number and let sellers come to you.