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Engine and powerplant

STC SE7734SW

FAA DRS lists SE7734SW as Current · Amended, held by Shauck Dr Maxwell E Jr., for Lycoming Engines AEIO-540-D4A5, Lycoming Engines AEIO-540-D4B5, and Lycoming Engines AEIO-540-D4C5, and 37 more aircraft configurations. Recorded change: Modification of engine for operation with ethanol fuel. Snapshot dated June 30, 2026.

FAA-listed holder
Shauck Dr Maxwell E Jr.
Aircraft configurations
40
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SE7734SW 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-540-D4A5, Lycoming Engines AEIO-540-D4B5, and Lycoming Engines AEIO-540-D4C5, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Lycoming Engines AEIO-540-D4A51E4Lycoming Engines AEIO-540-D4B51E4Lycoming Engines AEIO-540-D4C51E4Lycoming Engines AEIO-540-D4D51E4Lycoming Engines IO-540-C1B51E4Lycoming Engines IO-540-C1C51E4Lycoming Engines IO-540-C2C1E4Lycoming Engines IO-540-C4B51E4Lycoming Engines IO-540-C4B5D1E4Lycoming Engines IO-540-C4C51E4Lycoming Engines IO-540-C4D51E4Lycoming Engines IO-540-C4D5D1E4Lycoming Engines IO-540-D4A51E4Lycoming Engines IO-540-D4B51E4Lycoming Engines IO-540-D4C51E4Lycoming Engines IO-540-J4A51E4
Lycoming Engines IO-540-N1A51E4
Lycoming Engines IO-540-R1A51E4
Lycoming Engines IO-540-T4A5D1E4
Lycoming Engines IO-540-T4B51E4
Lycoming Engines IO-540-T4B5D1E4
Lycoming Engines IO-540-T4C5D1E4
Lycoming Engines O-540-A1AE-295
Lycoming Engines O-540-A1A5E-295
Lycoming Engines O-540-A1B5E-295
Lycoming Engines O-540-A1C5E-295
Lycoming Engines O-540-A1DE-295
Lycoming Engines O-540-A1D5E-295
Lycoming Engines O-540-A2BE-295
Lycoming Engines O-540-A3D5E-295
Lycoming Engines O-540-A4A5E-295
Lycoming Engines O-540-A4B5E-295
Lycoming Engines O-540-A4C5E-295
Lycoming Engines O-540-A4D5E-295
Lycoming Engines O-540-B1A5E-295
Lycoming Engines O-540-B1B5E-295
Lycoming Engines O-540-B1D5E-295
Lycoming Engines O-540-B2A5E-295
Lycoming Engines O-540-B2B5E-295
Lycoming Engines O-540-B2C5E-295

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