STC SA1757NM
FAA DRS lists SA1757NM as Current · Reissued, held by Aviation Technical Services, for Boeing 727-200 Series. Recorded change: Installation of Dual Litton Model 72 Inertial Navigation Systems. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Dual Litton Model 72 Inertial Navigation Systems.
SA1757NM 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 727-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 727-200 Series model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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