GTCP85
OEMClearENGINE,GAS TURBINE,AIRCRAFT
Where to Buy
Search this part number directly on major distributors
Documentation
General information based on part classification, not a certification determination. Your operator's quality manual governs.
Life-Limited Part — Confirm Retirement Limits Before Purchase
ATA 72 components may be subject to mandatory retirement limits. Consult the aircraft maintenance manual to confirm life limits. An unbroken chain of 8130-3 tags and/or maintenance records from new is required for airworthy installation.
What to ask the seller for
- FAA Form 8130-3 from the PAH or an authorized release traceable to the PAH
- Manufacturer's CofC if a Form 8130-3 was not issued
Governing reference: FAA Order 8130.21J
PMA Alternatives
No PMA alternatives found for this part. This does not mean none exist — only that none are currently in our database.
Supplemental Type Certificates13 found
FAA-approved modifications that reference this part number
Replace GTCP85-129 auxiliary power unit (APU) with GTCP85-129CK in UA 737-200 series aircraft.
Aircraft: 737-200 Series
Installation of a single or dual AiResearch GTCP85-98CK and/or GTCP-85-98CK(D) Auxiliary Power Units in the forward baggage compartment.
Aircraft: DC-8-72F, DC-8-72, DC-8-73, DC-8-73F +2 more
Installation of dual AiResearch GTCP85-98CK(D) Auxiliary Power Units (APU) in the forward baggage compartment.
Aircraft: DC-8-71, DC-8-71F, DC-8-73, DC-8-73F +2 more
ONE ONLY STC; S/N 46081: Installation of a single or dual AiResearch GTCP85-98CK and/or GTCP85-98CK(D) Auxiliary Power Units in the forward baggage compartment
Aircraft: DC-8-72
Installation of AiResearch GTCP85-98CK auxiliary power unit in forward cargo compartment. (707-123B, -138B)
Aircraft: 707-100B Short Body, 707-100B Long Body
Installation of Garrett GTCP85-98CK Auxiliary Power Unit in the aft end of the forward baggage compartment
Aircraft: 707-300 Series, 707-300B Series, 707-300C Series
Installation of Garrett Model GTCP85-98CK APU.
Aircraft: 707-300B, 707-300C
Installation of 1 or 2 AiResearch GTCP85-98CK auxiliary power units in forward baggage compartment.
Aircraft: DC-8-72F, DC-8-52, DC-8-62, DC-8-62F +2 more
The auxiliary power unit Model GTC 85-71 located in the forward end of the left hand main landing gear wheel well fairing has been replaced by an AiResearch Gas turbine compressor Model GTCP85-98CK(A).
Aircraft: 382E, 382G, 382F
Installation of two Garrett GTCP85-98CK auxiliary power units in forward end of the aft cargo compartment.
Aircraft: 707-300B
ONE ONLY STC - Boeing Model 707-353B, serial number 20630 - Installation of Steward-Davis, Inc. modified Airesearch auxiliary power unit model GTCP85-98CK
Aircraft: 707
Installation of AiResearch GTCP85-98, -98C or -98CK auxiliary power unit to supply starting air and 400400 HZ power.
Aircraft: 188A, 188C
Installation of AiResearch auxiliary power unit GTCP85-129M in the No. 3 anti-shock body. This installation is limited to ground use only.
Aircraft: 30A
Airworthiness Directives
Synced 40 days ago (09/27/2026)No Active Airworthiness Directives
No FAA or EASA ADs are linked to this part number. Always verify against the aircraft's maintenance records before install.
Service Difficulty Reports
No Service Difficulty Reports
No failure reports found for this part number in the FAA SDR database.
Suspect-Parts Alerts (SUP/UPN)
No Suspect-Parts Alerts
This manufacturer is not named in any active FAA Suspect Unapproved Parts (SUP/UPN) notification.
NSN Cross-References1 NSN — DLA WebFLIS
National Stock Numbers assigned to this part number by the U.S. Defense Logistics Agency
| NSN | Standardized Name | FSC | DLA List Price (gov't catalog) | CAGE / Manufacturer |
|---|---|---|---|---|
| 2840-00-051-8300 | ENGINE,GAS TURBINE,AIRCRAFT | 2840 | — | 99193HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
DLA PUBLOG published list price — government procurement catalog, not a commercial market price. Prices may differ from current commercial availability.
Government Award Prices
U.S. government contract award prices from FPDS — unit prices for NSN purchases by DoD/DLA agencies
No government contract award price data found for this part number.
Identifiers
Manufacturer
HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL
Source
DLA WebFLIS
ATA Chapter
72
Type
OEM