STC SA3257WE
FAA DRS lists SA3257WE as Current · Reissued, held by Airweld Inc., for Boeing 707-100B Short Body and Boeing 707-100B Long Body. Recorded change: Installation of AiResearch GTCP85-98CK auxiliary power unit in forward cargo compartment. (707-123B, -138B). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA3257WE 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: Boeing 707-100B Short Body and Boeing 707-100B Long Body. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related cargo and special mission STCs
Installation of ESL special mission configuration. (DHC-7-103 S/N 104, DHC-7-102 S/N 048).
FAA holder: Sierra Nevada Corporation/Integrated Mission Systems
Install EAC, Inc. camera mount system.
FAA holder: EAC Helicopters Incorporated
FAA record reference
- STC number
- SA3257WE
- Product
- Aircraft · Large Multi-Engine
- Country
- United States
- Application date
- September 4, 1975
- Revision date
- April 28, 2008
- CFR references
- Part 21