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
Installation of AiResearch GTCP85-98CK auxiliary power unit in forward cargo compartment. (707-123B, -138B).
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.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 707-100B Short Body and Boeing 707-100B Long Body model, serial range, and configuration?
- 02Which mission equipment, structural provisions, and limitations are approved?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related cargo and special mission STCs
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Installation of ESL special mission configuration. (DHC-7-103 S/N 104, DHC-7-102 S/N 048).
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Install cargo rack manufactured. Data pertaining to this modification are inadequate for duplication in other airplanes. This approval is limited to Robinson Model R44 II rotorcraft, Serial Number 10755, Registration Number N74496, only.
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Install EAC, Inc. camera mount system.
FAA holder: EAC Helicopters Incorporated