STC ST00703CH-D
FAA DRS lists ST00703CH-D as Current · Reissued, held by Honeywell International Inc, for Learjet Learjet 31 and Learjet Learjet 31A. Recorded change: Installation of an AlliedSignal Digital Electronic Engine Control (DEEC). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of an AlliedSignal Digital Electronic Engine Control (DEEC).
ST00703CH-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 Learjet 31 and Learjet Learjet 31A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Learjet Learjet 31 and Learjet Learjet 31A model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related engine and powerplant STCs
Engine cowl and exhaust modifications.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of Janitrol Model S-25 Heater in each nacelle in the area over wing and behind firewall. 225 CFM ground blower left wing only. Limited to installation on model C-45H, serial number AF817 ONLY.
FAA holder: Staggerwing Museum Foundation Inc.
Increase in gross weight to 10,100 pounds. When aircraft has been modified, installation of nacelle vent manifold optional.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of external landing gear position verification mirrors and aft engine cowl observation mirrors.
FAA holder: Wheeler Don E. dba Legal Mirrors