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Engine and powerplant

STC SA3-126

FAA DRS lists SA3-126 as Current · Reissued, held by D'Shannon Products Ltd., for Cessna Aircraft 172. Recorded change: Lycoming O-340-A1A engine and Hartzell HC-82XG-1DB/8433-12 propeller. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Lycoming O-340-A1A engine and Hartzell HC-82XG-1DB/8433-12 propeller.

SA3-126 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 172. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 172 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?