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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
Brittain Industries, Inc
Aircraft configurations
12
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

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.

Beechcraft 95-553A16Beechcraft 95-A553A16Beechcraft 95-B553A16Beechcraft 95-B55A3A16Beechcraft 95-B55B3A16Beechcraft 95-C553A16Beechcraft 95-C55A3A16Beechcraft 953A16Beechcraft B953A16Beechcraft B95A3A16Beechcraft D95A3A16Beechcraft E953A16

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Related avionics STCs

ST00195BOAvionics

Installation of Honeywell EGPWS Software Upgrade (-218-218 Software) (Master Document List -1 configuration ); and/or optional Runway Awareness and Advisory System (RAAS) (Master Document List -2 configuration); or EGPWS Software Upgrade (-218-218 Software) with GPS Interface (Master Document List -3 configuration), or EGPWS Software Upgrade (-228-228 Software) (Master Document List -4 configuration), or Runway Awareness and Advisory System (RAAS) Inhibit (Master Document List -5 configuration).

FAA holder: Learjet Inc.

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