ST01228WIAircraft structures
Replacement of OEM window pane assemblies with Lee Aerospace laminated window assembly and termination of OEM dry air system.
FAA holder: Lee Aerospace, Inc.
Aircraft STC directory
Beechcraft DH.125 Series 3A/R STCs
The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft DH.125 Series 3A/R. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
5
listed Current at snapshot
4
holder directories
3
modification categories
Oct 16, 2017
latest recorded revision
Modification demand surface
Electrical systems2
Other aircraft modifications2
Aircraft structures1
Recently revised DH.125 Series 3A/R STCs
Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST00415LAElectrical systems
Installation of Concorde Battery Model RG-390E.
FAA holder: Concorde Battery Corporation
ST01809LAElectrical systems
Installation of Hawker PN 9750W0640 Sealed Lead Acid Battery.
FAA holder: Securaplane Technologies
SA1185SOOther aircraft modifications
Replace existing batteries with 2371, 2376 or 23491 nickel-cadmium batteries.
FAA holder: Aviall Services, Inc.
ST1003SOOther aircraft modifications
Replace existing lead-acid batteries with Gill BB638/T1-E lead acid batteries, part numbers BSI 200 left and BSI 200 right.
FAA holder: Aviall Services, Inc.