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.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · 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.
Buyer checks
Confirm before sourcing
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