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Engine and powerplant

STC SA631CE

FAA DRS lists SA631CE as Current · Reissued, held by Revo Inc, for REVO Lake LA-4. Recorded change: Install Lycoming IO-360-A1B engine, Hartzell HC-C2YK-1BL/L7666A-2 propeller and remove wing fillets. Data Required: Lake 4 Sales Engineering Report 62568, Rev. 9/9/68, Drawings L-0254 Rev. 3, E.O. 2-1165A, L-0255, L-2075, L-2076, L-2077, 2-5200 Rev. D, 2-6000 Rev. H, 2-7752, 2-7757 Rev. B, copy of this certificate and AFMS dated March 14, 1969. 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

Install Lycoming IO-360-A1B engine, Hartzell HC-C2YK-1BL/L7666A-2 propeller and remove wing fillets. Data Required: Lake 4 Sales Engineering Report 62568, Rev. 9/9/68, Drawings L-0254 Rev. 3, E.O. 2-1165A, L-0255, L-2075, L-2076, L-2077, 2-5200 Rev. D, 2-6000 Rev. H, 2-7752, 2-7757 Rev. B, copy of this certificate and AFMS dated March 14, 1969.

SA631CE 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: REVO Lake LA-4. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact REVO Lake LA-4 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?