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Avionics

STC SA474WE

FAA DRS lists SA474WE as Current · Reissued, held by Brittain Industries, Inc, for Beechcraft 95-55, Beechcraft 95-A55, and Beechcraft 95-B55, and 9 more aircraft configurations. Recorded change: Installation of Brittain/Beech Model B-4 Flight Control System including PC-1 Pitch Assist, AH-1 Altitude Hold, NAV-1 Navigation Coupler. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
12
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, NAV-1 Navigation Coupler.

SA474WE 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 95-55, Beechcraft 95-A55, and Beechcraft 95-B55, and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft 95-55 and Beechcraft 95-A55, and 10 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?