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Engine and powerplant

STC SE03215CH

FAA DRS lists SE03215CH as Current · Reissued, held by Continental Motors, Inc., for Lycoming Engines AEIO-320-D1B, Lycoming Engines AEIO-320-D2B, and Lycoming Engines AEIO-320-E1A, and 37 more aircraft configurations. Recorded change: STC for the conversion of Lycoming O-320-A, B, C, D, E; IO-320-A, B, C, D, E, F; AIO-320-A, B; AEIO-320-D, E to increase engine displacement to 340 cubic inches by installation of a crankshaft with a longer stroke. Snapshot dated June 30, 2026.

FAA-listed holder
Continental Motors, Inc.
Aircraft configurations
40
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

STC for the conversion of Lycoming O-320-A, B, C, D, E; IO-320-A, B, C, D, E, F; AIO-320-A, B; AEIO-320-D, E to increase engine displacement to 340 cubic inches by installation of a crankshaft with a longer stroke.

SE03215CH 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: Lycoming Engines AEIO-320-D1B, Lycoming Engines AEIO-320-D2B, and Lycoming Engines AEIO-320-E1A, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Lycoming Engines AEIO-320-D1B1E12Lycoming Engines AEIO-320-D2B1E12Lycoming Engines AEIO-320-E1A1E12Lycoming Engines AEIO-320-E1B1E12Lycoming Engines AEIO-320-E2A1E12Lycoming Engines AEIO-320-E2B1E12Lycoming Engines AIO-320-A1A1E12Lycoming Engines AIO-320-A1B1E12Lycoming Engines AIO-320-A2A1E12Lycoming Engines AIO-320-A2B1E12Lycoming Engines AIO-320-B1B1E12Lycoming Engines IO-320-A1A1E12Lycoming Engines IO-320-A2A1E12Lycoming Engines IO-320-B1A1E12Lycoming Engines IO-320-B1B1E12Lycoming Engines IO-320-B1C1E12Lycoming Engines IO-320-B1D1E12Lycoming Engines IO-320-B1E1E12Lycoming Engines IO-320-B2A1E12Lycoming Engines IO-320-C1A1E12Lycoming Engines IO-320-C1B1E12Lycoming Engines IO-320-D1A1E12Lycoming Engines IO-320-D1B1E12Lycoming Engines IO-320-D1C1E12Lycoming Engines IO-320-E1A1E12Lycoming Engines IO-320-E1B1E12Lycoming Engines IO-320-E2A1E12Lycoming Engines IO-320-E2B1E12Lycoming Engines IO-320-F1A1E12Lycoming Engines O-320-A1AE-274Lycoming Engines O-320-A1BE-274Lycoming Engines O-320-A2AE-274Lycoming Engines O-320-A2BE-274Lycoming Engines O-320-A2CE-274Lycoming Engines O-320-A2DE-274Lycoming Engines O-320-A3AE-274Lycoming Engines O-320-A3BE-274
Lycoming Engines O-320-A3CE-274
Lycoming Engines O-320-B1AE-274Lycoming Engines O-320-B1BE-274

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Lycoming Engines AEIO-320-D1B and Lycoming Engines AEIO-320-D2B, and 38 more aircraft configurations 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?

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