SE04349CH (PAGE 4)Other aircraft modifications
Installation of SureFly electronic ignition.
FAA holder: SureFly Partners Ltd.
Aircraft STC directory
Lycoming Engines AEIO-540-L1D5 STCs
The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Lycoming Engines AEIO-540-L1D5. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
3
listed Current at snapshot
2
holder directories
2
modification categories
Nov 22, 2024
latest recorded revision
Modification demand surface
Other aircraft modifications2
Engine and powerplant1
Recorded holders
Recently revised AEIO-540-L1D5 STCs
Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE01954SE (PAGE 3)Engine and powerplant
Installation of engine crankcase seal.
FAA holder: Ly-Con Rebuilding Company
SE7582SWOther aircraft modifications
Grinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring.
FAA holder: Superior Air Parts, Inc