STC SA3-421
FAA DRS lists SA3-421 as Current 路 Reissued, held by Sabreliner Aviation LLC, for Kelowna Flightcraft R & D 340. Recorded change: Installation of auxiliary power unit. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current 路 Reissued
Recorded modification
What the FAA record covers
SA3-421 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: Kelowna Flightcraft R & D 340. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of mounting hardware to support blade folding kit.
FAA holder: Dart Aerospace USA Inc.
Installation of an Intelsat 2Ku Radome.
FAA holder: Delta Engineering Corporation
Installation of T3 Tailwheel Suspension Systems Suspension.
FAA holder: T3 Tailwheel Suspension Systems
Installation of Heli-Preheat Kit, p/n TA3089-1 for 115 volt application.
FAA holder: HARTZELL PROPELLER INC
FAA record reference
- STC number
- SA3-421
- Product
- Aircraft 路 Large Multi-Engine
- Country
- United States
- Application date
- August 7, 1959
- Revision date
- March 7, 2014
- CFR references
- Part 21