SA01406NYEngine and powerplant
Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and\nrotary wing.
FAA holder: Airwolf Filter Corporation
Aircraft STC directory
Consolidated Vultee Aircraft Stinson Division SR-9E (Army UC-81J) STCs
The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Consolidated Vultee Aircraft Stinson Division SR-9E (Army UC-81J). 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
3
modification categories
Dec 20, 2017
latest recorded revision
Modification demand surface
Engine and powerplant2
Other aircraft modifications1
Landing gear and brakes1
Recently revised SR-9E (Army UC-81J) 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
SA02033AT (PAGE 6)Engine and powerplant
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW).
FAA holder: M-20 Oil Separators LLC
SA1235GLOther aircraft modifications
Surrendered and incorporated into STC SA00478CH.
FAA holder: Cooper Aviation Supply Company, Inc.
SA00068LALanding gear and brakes
Installation of tail wheel adapter ring.
FAA holder: R-R-R-Russ Aircraft