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Flight controls

STC SA631WE

FAA DRS lists SA631WE as Current · Reissued, held by Brittain Industries, Inc, for Beechcraft 35, Beechcraft 35R, and Beechcraft A35, and 6 more aircraft configurations. Recorded change: Installation of Brittain/Beech Model B-4 Flight Control System, including PC-1 Pitch Assist, AH-1 Altitude Hold, and NAV-1 Navigational Coupler. Snapshot dated June 30, 2026.

FAA-listed holder
Brittain Industries, Inc
Aircraft configurations
9
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA631WE 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: Beechcraft 35, Beechcraft 35R, and Beechcraft A35, and 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft 35A-777Beechcraft 35RA-777Beechcraft A35A-777Beechcraft B35A-777Beechcraft C35A-777Beechcraft D35A-777Beechcraft E35A-777Beechcraft F35A-777Beechcraft G35A-777

Buyer checks

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