Skip to content
Avionics

STC SA677WE

FAA DRS lists SA677WE 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 Navigation 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

Installation of Brittain/Beech Model B-4 Flight Control System including PC-1 Pitch Assist, AH-1 Altitude Hold and NAV-1 Navigation Coupler.

SA677WE 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

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft 35 and Beechcraft 35R, and 7 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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?

Related avionics STCs