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Aircraft STC directory

Hawker Beechcraft DH.125 Series 1A/S-522 STCs

The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Hawker Beechcraft DH.125 Series 1A/S-522. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

7
listed Current at snapshot
7
holder directories
3
modification categories
Jun 23, 2021
latest recorded revision

Modification demand surface

Avionics3
Other aircraft modifications3
Cargo and special mission1

Recorded holders

Sandel Avionics LLC1Purolator Facet, Inc1Textron Aviation Inc1Paul/ Lanna Egan LLC1Standard Aero1AeroMech Incorporated1Honeywell International Inc1

Recently revised DH.125 Series 1A/S-522 STCs

Showing the 7 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.