Honeywell 131-9B, 131-9A & GTCP85-129H APUs for Boeing 737 & Airbus A320 fleetsMario@IronbridgeAero.com · AOG 24/7: 1-855-505-5743 · aog@ironbridgeaero.com
Ironbridge Aero

Honeywell 131-9A APU for Airbus A319 / A320 / A321

Sale, exchange and lease sourcing for the GTCP131-9A, with release certificate and trace confirmed before we quote.

Capabilities, not stock. These are the APU models we source through our supplier network. Ironbridge Aero does not claim to hold these units in stock. Availability, part number/dash number, condition, documentation and pricing are confirmed only by written quote.

131-9A APU at a glance

ManufacturerHoneywell Aerospace
ModelGTCP131-9A (131-9[A])
Part number (FAA TSO-C77a listing)3800708-1
Typical applicationAirbus A319, A320, A321 (ceo family)
Typical ATA chapter49 (Airborne auxiliary power)
Conditions we sourceNE/NS, OH, SV, AR
Release certificatesFAA 8130-3, EASA Form 1 or dual release

Part numbers and effectivity are for identification only. Confirm against your aircraft's IPC and effectivity; we confirm the exact P/N, dash number and mod status in every written quote.

About the 131-9A

The 131-9A is Honeywell's 131-9 series APU for single-aisle Airbus aircraft, sharing the series' two-stage axial turbine and starter/generator design. Honeywell offers a High Efficiency Mode (HEM) upgrade for the 131-9A. Tell us your mod status requirements when you send your RFQ.

Ways to buy a 131-9A APU

Exchange

Serviceable unit now, your removed core returned on agreed terms. The usual route for AOG and unscheduled removals.

Outright

OH, SV or AR units with release certificate and trace, for spares or a beyond-economical-repair core.

Lease

Cover while your own unit is in the shop. Compare options →

Sell yours

Have a surplus or as-removed 131-9A APU? Send us the details →

Documentation we require

FAA 8130-3 and/or EASA Form 1 from the certified repair station for OH/SV units, trace to last operator or back-to-birth where available, non-incident statement, and shop/removal records. Our documentation standards →

131-9A APU FAQ

What aircraft use the 131-9A APU?

The Honeywell 131-9A is fitted to Airbus A319, A320 and A321 aircraft. Confirm effectivity against your IPC.

What is the part number for the 131-9A?

The FAA TSO-C77a listing and Honeywell spare-parts bulletins show model 131-9[A] as P/N 3800708-1.

Can I exchange my 131-9A core?

Yes. Exchange is common for this model: you receive a serviceable unit and return your removed core on agreed terms. Core repair costs are quoted or capped in writing.

Do you have a 131-9A in stock?

We don't claim stock. We source through our supplier network and confirm availability, condition, documents and price in a written quote.

Request a 131-9A APU quote AOG 24/7: 1-855-505-5743

Other models we source: Honeywell 131-9B · Honeywell GTCP85-129H · APS2000 (Hamilton Sundstrand / P&WC)

Aircraft on ground? Our AOG desk answers 24/7/365.
AOG 24/7: 1-855-505-5743 aog@ironbridgeaero.com