STC SA421GL
FAA DRS lists SA421GL as Current · Amended, held by Knots 2U Ltd, for Raytheon Aircraft F33, Raytheon Aircraft 35-A33, and Raytheon Aircraft H35, and 23 more aircraft configurations. Recorded change: Installation of aileron and flap gap seals. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA421GL 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: Raytheon Aircraft F33, Raytheon Aircraft 35-A33, and Raytheon Aircraft H35, and 23 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related flight controls STCs
Installation of "Speed Splitter" flap bracket fairings.
FAA holder: Whelen Aerospace Technologies
Installation of 'speed splitter' flap bracket fairings.
FAA holder: Whelen Aerospace Technologies