STC SA3639WE
FAA DRS lists SA3639WE as Current · Reissued, held by American Navion Society, for Navion Aircraft Navion A (Army L-17B and L-17C), Navion Aircraft Navion B, and Navion Aircraft Navion D, and 4 more aircraft configurations. Recorded change: Installation of warning light intended to prevent inadvertent operation of the aircraft on the aircraft on the tip tank fuel system while in the landing or take-off configuration, i.e., gear down. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of warning light intended to prevent inadvertent operation of the aircraft on the aircraft on the tip tank fuel system while in the landing or take-off configuration, i.e., gear down.
SA3639WE 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: Navion Aircraft Navion A (Army L-17B and L-17C), Navion Aircraft Navion B, and Navion Aircraft Navion D, 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 Navion Aircraft Navion A (Army L-17B and L-17C) and Navion Aircraft Navion B, and 5 more aircraft configurations model, serial range, and configuration?
- 02Which tanks, plumbing, usable-fuel assumptions, and inspections apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related fuel systems STCs
Installation of a Helitak FT4250 Super Puma Fire Tank Liquid Dispensing System.
FAA holder: Helitak USA, LLC
Installation of replacement fuel quantity indicator sending unit(s).
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Installation of replacement flexible fuel cell in wings.
FAA holder: Aerosport Fuel Cells, LLC