SE04136ATElectrical systems
Installation of Bendix Scintilla WL-7A Battery Ignition Timer (distributor) modified from a breaker points and condenser design to a Hall Effect electronic sensor design.
FAA holder: Air Repair Inc
Aircraft STC directory
Air Repair L-4 STCs
The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Air Repair L-4. 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
4
holder directories
3
modification categories
Nov 25, 2013
latest recorded revision
Modification demand surface
Other aircraft modifications2
Electrical systems1
Engine and powerplant1
Recently revised L-4 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
SE01652WIEngine and powerplant
Modification of engine to replace contact points and condenser controlled Bendix Scintilla WL-7A battery timer (distributor) with an electronically controlled WL-7A-M battery timer.
FAA holder: Radial Engines Ltd
SA4005NM (PAGE 1)Other aircraft modifications
Precise Flight Inc. Pulselite Control System.
FAA holder: Precise Flight Inc
SE01243WIOther aircraft modifications
Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision.
FAA holder: Barron Aviation