STC SA3-421
FAA DRS lists SA3-421 as Current · Reissued, held by Sabreliner Aviation LLC, for Kelowna Flightcraft R & D 340. Recorded change: Installation of auxiliary power unit. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of auxiliary power unit.
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.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Kelowna Flightcraft R & D 340 model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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