SE862GLOther aircraft modifications
Replacement of Bendix S4LN-20, -21, -1209, or -1227 model magnetos with Slick model4250 or 4251 magnetos.
FAA holder: Champion Aerospace LLC
Aircraft STC directory
Textron Lycoming AVCO O-320-A2B STCs
The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Textron Lycoming AVCO O-320-A2B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
4
listed Current at snapshot
3
holder directories
2
modification categories
Feb 10, 2009
latest recorded revision
Modification demand surface
Other aircraft modifications2
Fuel systems2
Recorded holders
Recently revised O-320-A2B STCs
Showing the 4 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE1931CEFuel systems
Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index, (RON+MON)/2.
FAA holder: Petersen Aviation Inc
SE2587CEOther aircraft modifications
Add unleaded and leaded automotive gasoline, 91 minimum antiknock index per ASTM specification D-439.
FAA holder: Petersen Aviation Inc