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Aircraft STC directory

Hawker Beechcraft HS.125 Series 400B 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 HS.125 Series 400B. 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
4
holder directories
4
modification categories
Sep 1, 2016
latest recorded revision

Modification demand surface

Engine and powerplant3
Cargo and special mission1
Other aircraft modifications1
Avionics1

Recorded holders

AeroMech Incorporated2Honeywell International Inc2Paul/ Lanna Egan LLC1Gulfstream-California Inc.1

Recently revised HS.125 Series 400B STCs

Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.