STC ST02005CH-D
FAA DRS lists ST02005CH-D as Current · Reissued, held by Honeywell International Inc, for Learjet 55, Learjet 55B, and Learjet 55C. Recorded change: Installation of Honeywell N1 Digital Electronic Engine Controls (DEEC). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST02005CH-D identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Learjet 55, Learjet 55B, and Learjet 55C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Install Woodward engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of engine synchronizer kit P/N 213522.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of an AlliedSignal Aerospace TFE731-3DR-1D Turbofan Engine.
FAA holder: Honeywell International Inc
Installation of an AlliedSignal Digital Electronic Engine Control (DEEC).
FAA holder: Honeywell International Inc
FAA record reference
- STC number
- ST02005CH-D
- Product
- Aircraft · Large Multi-Engine
- Country
- United States
- Application date
- December 1, 2003
- Revision date
- July 2, 2008
- CFR references
- Part 21, Part 25