Transponder & Receiver-Transmitter Repair

The transponder replies to secondary surveillance radar interrogation, making the aircraft visible and identifiable to air traffic control. With its associated receiver transmitter it is one of the few instruments whose failure affects everyone else in the airspace, not just the crew.

Air Shunt Instruments tests, repairs, and overhauls transponders and receiver transmitters at our Chatsworth, California facility under FAA repair station certificate YD2R315L, with fresh-tag overhaul or test on every quoted unit.

What This Department Handles

• Fuel quantity indicators, receiver transmitters, transponders
• H.S.I.s, A.D.I.s, R.D.I.s and flight directors
• Compass, course and distance indicators
• Altimeters, gyros & air speed indicators

Capability is confirmed by part number. Air Shunt maintains over 100,000 repair capabilities — send the part numbers you need and we will confirm coverage, availability, and pricing directly.

Repair, Overhaul, or Exchange

Every unit we quote fresh tag is freshly overhauled or tested with a fresh tag. Where an exchange makes more sense than a repair, we can often supply from inventory instead — we hold over 10 million spare parts on hand, and in-stock aircraft parts are ready for immediate delivery. All products are subject to prior sale.

Airframes We Support

DC-8, MD-80, B-727 and B-767 on the commercial side; A-4, A-6, A-7, F-4, F-5, F-15, F-16 and F/A-18 fighters; CH-3, CH-46, CH-47 and CH-53 rotary wing; C-123, C-130 and C-160 transports; and P-3, E-2 and E-3 maritime patrol and airborne early warning aircraft. The complete manifest is on the platforms page.

Approvals

Work is carried out at our Chatsworth, California facility under FAA Part 145 repair station certificate YD2R315L. We also hold EASA Part-145 approval EASA.145.4087, are certified to ISO 9001:2015, and are an ARSA member in good standing. Certificates are available to download on the quality page.