STC SE956GL
FAA DRS lists SE956GL as Current · Surrendered, held by EAA Aviation Foundation, for Textron Lycoming AVCO O-540-B2C5, Textron Lycoming AVCO O-540-B4A5, and Textron Lycoming AVCO O-540-B4B5, and 5 more aircraft configurations. Recorded change: Superseded by STC SE01943CH. Add approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SE956GL 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, Textron Lycoming AVCO O-540-B4A5, and Textron Lycoming AVCO O-540-B4B5, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related fuel systems STCs
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