STC SE1433GL
FAA DRS lists SE1433GL as Current · Reissued, held by Kron Howard, for Textron Lycoming AVCO O-540-B2C5 and Textron Lycoming AVCO O-540-B2B5. Recorded change: Convert Lycoming aircraft engine Model O-540-B2B5 or O-540-B2C5 rated at 235 hp at 2575 rpm to a O-540-B2B5-C-AlD5 or O-540-B2C5-C-A1D5 rated at 250 hp at 2575 rpm maximum. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SE1433GL 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: Textron Lycoming AVCO O-540-B2C5 and Textron Lycoming AVCO O-540-B2B5. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Modification of engine for operation with ethanol fuel.
FAA holder: Shauck Dr Maxwell E Jr.
Installation of CFM56-5B Engine Inlet Inner Lower Barrel Panel Assembly.
FAA holder: ASTECH Engineered Products Inc.
FAA record reference
- STC number
- SE1433GL
- Product
- Engine
- Country
- United States
- Application date
- August 3, 1989
- Revision date
- November 28, 2001
- CFR references
- Not listed