STC SA4-363
FAA DRS lists SA4-363 as Current · Amended, held by Brittain Industries, Inc, for Sierra Hotel Aero Navion (Army L-17A), Sierra Hotel Aero Navion A (Army L-17B and L-17C), and Sierra Hotel Aero Navion B, and 4 more aircraft configurations. Recorded change: Installed Brittain/Clarkson Autopilot. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installed Brittain/Clarkson Autopilot.
SA4-363 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: Sierra Hotel Aero Navion (Army L-17A), Sierra Hotel Aero Navion A (Army L-17B and L-17C), and Sierra Hotel Aero Navion B, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Sierra Hotel Aero Navion (Army L-17A) and Sierra Hotel Aero Navion A (Army L-17B and L-17C), and 5 more aircraft configurations model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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