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Other aircraft modifications

STC SA644WE

FAA DRS lists SA644WE as Current · Reissued, held by Brittain Industries, Inc, for American Navion Society D-16, American Navion Society D-16A, and Sierra Hotel Aero Navion (Army L-17A). Recorded change: Installation of Brittain Dynertial Pitch Assist, Model PC-1 and optional Altitude Hold, Model AH-1. Snapshot dated June 30, 2026.

FAA-listed holder
Brittain Industries, Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Brittain Dynertial Pitch Assist, Model PC-1 and optional Altitude Hold, Model AH-1.

SA644WE 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: American Navion Society D-16, American Navion Society D-16A, and Sierra Hotel Aero Navion (Army L-17A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

American Navion Society D-162A1American Navion Society D-16A2A1Sierra Hotel Aero Navion (Army L-17A)A-782

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact American Navion Society D-16 and American Navion Society D-16A, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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