STC SA3-672
FAA DRS lists SA3-672 as Current · Reissued, held by D'Shannon Products Ltd., for Cessna Aircraft 170A and Cessna Aircraft 170B. Recorded change: 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. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA3-672 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: Cessna Aircraft 170A and Cessna Aircraft 170B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
FAA record reference
- STC number
- SA3-672
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- July 25, 1961
- Revision date
- July 14, 2011
- CFR references
- Part 3, Part 21