STC SA721GL
FAA DRS lists SA721GL as Current · Reissued, held by Kaman Corporation Aircraft Wheel and Brake LLC, for Piper Aircraft PA-31-350. Recorded change: Install Parker Hannifin Wheels & Brakes Conversion Kit 199-119. (PA-31-350 modified by STC SA4678SW). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA721GL 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: Piper Aircraft PA-31-350. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
Installation of Hartzell propellers, Model HC-93Z30-2C, -2D/10152-5 1/2, or HC-B3Z30-2D/10152-5 1/2.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of Fiberglas Nose.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of oil cooler, G & O Mfg. Co. #E703, modified with Fullerton Syphon DV5 thermostat.
FAA holder: Staggerwing Museum Foundation Inc.
Oval passenger windows.
FAA holder: Staggerwing Museum Foundation Inc.