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Engine and powerplant

STC SA266SW

FAA DRS lists SA266SW as Current · Reissued, held by AirCorps Aviation, for Boeing 75 (Army PT-13), Boeing A75 (Army PT-13A; -13B; -13C), and Boeing A75J1 (Army PT-18), and 9 more aircraft configurations. Recorded change: Installation of engine mount P/N M1 for Pratt & Whitney R-985 or R-1340 engine installation. Snapshot dated June 30, 2026.

FAA-listed holder
AirCorps Aviation
Aircraft configurations
12
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of engine mount P/N M1 for Pratt & Whitney R-985 or R-1340 engine installation.

SA266SW 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 75 (Army PT-13), Boeing A75 (Army PT-13A; -13B; -13C), and Boeing A75J1 (Army PT-18), and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 75 (Army PT-13)A-743Boeing A75 (Army PT-13A; -13B; -13C)A-743Boeing A75J1 (Army PT-18)A-743Boeing A75L3A-743Boeing A75L300A-743Boeing A75N1 (Army PT-17; -17A; Navy N2S-1; -4)A-743Boeing B75 (Navy N2S-5)A-743Boeing B75N1 (Navy N2S-3)A-743Boeing D75N1 (Army PT-27)A-743Boeing E75 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5)A-743Boeing E75N1 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5)A-743Boeing IB75AA-743

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 75 (Army PT-13) and Boeing A75 (Army PT-13A; -13B; -13C), and 10 more aircraft configurations model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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?

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