ST01085WISafety and emergency equipment
Installation of Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) (with/without optional Avidyne Flight Max 800 MFD).
FAA holder: Blackhawk Aerospace Technologies Inc.
Aircraft STC directory
Beechcraft BH.125 Series 400A STCs
The Jun 30, 2026 FAA DRS snapshot contains 17 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft BH.125 Series 400A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
17
listed Current at snapshot
12
holder directories
8
modification categories
May 18, 2021
latest recorded revision
Modification demand surface
Other aircraft modifications8
Avionics2
Electrical systems2
Safety and emergency equipment1
Cargo and special mission1
Aircraft connectivity1
Aircraft structures1
Cabin and interiors1
Recorded holders
Bombardier Completion Center Inc5Aviall Services, Inc.2Blackhawk Aerospace Technologies Inc.1Spectrum Aeromed LLC dba Spectrum Aeromed1Peregrine1Liberty Partners Inc1Lee Aerospace Inc.1Aviation Communication and Surveillance Systems (ACSS) LLC1Scandinavian Avionics Design ApS1Concorde Battery Corporation1Securaplane Technologies1Rockwell Collins Inc1
Recently revised BH.125 Series 400A STCs
Showing the 17 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST02068CHCargo and special mission
Install air ambulance conversion.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
ST00790DEOther aircraft modifications
Installation of BendixKing CAS 67B Traffic Alert and Collision Avoidance System (TCAS) II Version 7.1.
FAA holder: Peregrine
ST11071SCAircraft connectivity
Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs).
FAA holder: Liberty Partners Inc
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.
ST02609LAAvionics
Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
ST03776NYOther aircraft modifications
Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II).
FAA holder: Scandinavian Avionics Design ApS
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
ST01675WIOther aircraft modifications
Modification of a Rockwell Collins, Inc. File Server Unit (FSU) installation.
FAA holder: Rockwell Collins Inc
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.
SA1150EAOther aircraft modifications
Installation of R.C.A. Primus 400 ColoRadar System.
FAA holder: Bombardier Completion Center Inc
SA1151EAAvionics
Installation of Canadian Marconi Company CMA 740 Omega/VLF Navigation System.
FAA holder: Bombardier Completion Center Inc
SA1152EACabin and interiors
Installation of miscellaneous interior modifications.
FAA holder: Bombardier Completion Center Inc
SA137NEOther aircraft modifications
Install Sperry AL-250 altitude alerter system.
FAA holder: Bombardier Completion Center Inc
SA138NEOther aircraft modifications
Install passenger shoulder restraints at side facing divans.
FAA holder: Bombardier Completion Center Inc