STC SE144GL
FAA DRS lists SE144GL as Current · Reissued, held by Scott's Bell 47 Inc, for Lycoming Engines VO-435-A1F. Recorded change: Modify engine to increase compression ratio to 8.7:1. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Modify engine to increase compression ratio to 8.7:1.
SE144GL 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 VO-435-A1F. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Lycoming Engines VO-435-A1F model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related engine and powerplant STCs
Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.
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Fabrication of replacement engine exhaust system assembly (P/N PA18ESA).
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For model 172 airplanes with Lycoming O-360 engines per STC SA332GL or STC SA4428SW, modification of standard exhaust system. For model 172 with Lycoming O-360 engines per STC SA647CE or STC SA1324CE, modification of standard exhaust system.
FAA holder: Power Flow Systems Inc
Installation of replacement engine exhaust system assembly (P/N P55C180ESA).
FAA holder: Power Flow Systems Inc.