ST00304WIOther aircraft modifications
Installation of Keddeg Company 21BC113 coaleser assembly.
FAA holder: Purolator Facet, Inc
Aircraft STC directory
Hawker Beechcraft DH.125 Series 1A-522 STCs
The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the Hawker Beechcraft DH.125 Series 1A-522. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
6
listed Current at snapshot
6
holder directories
3
modification categories
Oct 19, 2017
latest recorded revision
Modification demand surface
Other aircraft modifications3
Avionics2
Cargo and special mission1
Recently revised DH.125 Series 1A-522 STCs
Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST00781WI-DOther aircraft modifications
Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation.
FAA holder: Textron Aviation Inc
ST01560CHCargo and special mission
Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 805.
FAA holder: Paul/ Lanna Egan LLC
ST546CH-DAvionics
Installation of an AlliedSignal Avionics, Dual GNS-XLS, Flight Management System with GPS as a primary means of navigation.
FAA holder: Standard Aero
ST01623SEAvionics
Installation of Innovative Solutions and Support (IS&S) Air Data Display Units.
FAA holder: AeroMech Incorporated
SA866EAOther aircraft modifications
Installation of Grimes three light strobe kit.
FAA holder: Honeywell International Inc.