STC ST00678CH
FAA DRS lists ST00678CH as Current · Reissued, held by ElectroSonics, for Learjet Learjet 35 and Learjet Learjet 35A (C-21A). Recorded change: Installation of AlliedSignal Mark VII ground proximity warning system with windshear advisories. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
ST00678CH 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 35 and Learjet Learjet 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related safety and emergency equipment STCs
View record
View record
FAA record reference
- STC number
- ST00678CH
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- Not listed
- Revision date
- October 12, 2001
- CFR references
- Part 21