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Aircraft STC directory

Aircraft Parts & Development Corp A-4 STCs

The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the Aircraft Parts & Development Corp A-4. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

16
listed Current at snapshot
8
holder directories
4
modification categories
May 27, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications12
Fuel systems2
Avionics1
Electrical systems1

Recorded holders

Electroair Acquisition Corporation2uAvionix Corporation2Alcor LLC1Swift Fuels LLC1Petersen Aviation Inc1Hartzell Engine Technologies, LLC1Champion Aerospace LLC1Razorback Fabrics Inc1

Recently revised A-4 STCs

Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.