ST03424CHAvionics
Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders.
FAA holder: CMD Flight Solutions LLC
Aircraft STC directory
Beechcraft 400 STCs
The Jun 30, 2026 FAA DRS snapshot contains 12 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft 400. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
12
listed Current at snapshot
12
holder directories
8
modification categories
May 13, 2024
latest recorded revision
Modification demand surface
Other aircraft modifications3
Avionics2
Cargo and special mission2
Aircraft connectivity1
Electrical systems1
Aircraft performance1
Safety and emergency equipment1
Aircraft structures1
Recorded holders
Recently revised 400 STCs
Showing the 12 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01452CHCargo and special mission
Installation of an air ambulance conversion kit.
FAA holder: Med-Pac Inc.
SA5933SWOther aircraft modifications
Installation of a freon air conditioning system for use up to 18,000 feet.
FAA holder: Air Comm Corporation
ST03255CHCargo and special mission
Install air ambulance conversion.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
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
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
ST02598LAOther aircraft modifications
Installation of PPG Aerospace main cockpit windshields P/N s 196700-01 and 196700-02.
FAA holder: PPG Aerospace
ST01794LAElectrical systems
Installation of Hawker 9750W0370 or 9750W0370-8 Battery.
FAA holder: Securaplane Technologies
SA3646SWAircraft performance
Establish 264 KIAS Vmo at 8,000 feet or below and 264 KIAS linear variation to 320 KIAS at 11,000 feet. Install IDC P/N 37277-2139//3139 maximum allowable airspeed/ mach indicator.
FAA holder: Intercontinental Jet Service Corporation
ST10381SCSafety and emergency equipment
Installation of a Single Sandel ST3400 Terrain Awareness and Warning System (TAWS).
FAA holder: Pyka Aerospace Corp
SA09743SCAircraft structures
Installation of electric window shades.
FAA holder: Lou Martin & Associates