STC SA546GL
FAA DRS lists SA546GL as Current · Reissued, held by Twin Commander Aircraft LLC, for Twin Commander Aircraft 690, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690B. Recorded change: Installation of Hartzell Model HC-B3TN-5FL/LT10673 or LT10673B propellers. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA546GL 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: Twin Commander Aircraft 690, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of expanded parameters Digital Flight Data Recorder from 6 parameters to 24 parameters.
FAA holder: L3 Communications/Aviation Recorders
FAA record reference
- STC number
- SA546GL
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- June 29, 1981
- Revision date
- July 24, 2014
- CFR references
- Part 3, Part 21