STC SA3-674
FAA DRS lists SA3-674 as Current · Reissued, held by D'Shannon Products Ltd., for Cessna Aircraft 175, Cessna Aircraft 175A, and Cessna Aircraft 175B. Recorded change: 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. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA3-674 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 175, Cessna Aircraft 175A, and Cessna Aircraft 175B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
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