STC SE02688NY
FAA DRS lists SE02688NY as Current · Issued, held by Standard Aero Limited, for Pratt & Whitney Division PT6A-28. Recorded change: This modification would incorporate improved compressor components into the Pratt & Whitney PT6A-28 engine from the PT6A-135A engine. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
This modification would incorporate improved compressor components into the Pratt & Whitney PT6A-28 engine from the PT6A-135A engine.
SE02688NY 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: Pratt & Whitney Division PT6A-28. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Pratt & Whitney Division PT6A-28 model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related engine and powerplant STCs
Lycoming O-360-A1D engine, McCauley 2D36C14/78KM-4 or Hartzell HC-C2YK-1A/7666-2 propellers.
FAA holder: D'Shannon Products Ltd.
Installation of Lycoming O-360-A1A, A1D, or B1B engine with McCauley 2D36C14-X/78KM-4 propeller or Lycoming O-360-A1A and A1D engines with Hartzell HC-C2YK-1A/7666A-2 propeller. Data required: Doyn Aircraft, Inc. Drawings: 1000, 1005 Rev. C, 1006 Rev. C, 1009, 1010 Rev. A, 1011, 1012 Rev. A, 1013, 1014, 1015, 1016, 1099, 1100 Rev. B, 1101 Rev. A, 1102, 1103 Rev. A, 1104, 1107, 1150. Drawing Changes Notices: 1005-5A, 1006-8A, 1006-6, 1009-2A, 1199-1A, 1199-2A, and 1199-3A.
FAA holder: D'Shannon Products Ltd.
Installation of Lycoming O-360-A1D engine and McCauley 2D36C14/78KM-4 or Hartzell HC-C2YK-1A/7666-2 propeller in accordance with Doyn Aircraft Drawing List for Model 1700 conversion dated May 6, 1964; for Cessna Model 175B: Atlas Aviation Oil Cooler Installation dated September 12, 1967, is required.
FAA holder: D'Shannon Products Ltd.
Installation of exhaust silencers in accordance with Top Banana Installation Instructions dated March 12, 1975, Revision of October 22, 1975. Silencer is manufactured in accordance with Top Banana Drawing No. 2-12-A35 G change.
FAA holder: D'Shannon Products Ltd.