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Aircraft STC directory

Cessna Aircraft 501 STCs

The Jun 30, 2026 FAA DRS snapshot contains 51 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 501. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

51
listed Current at snapshot
29
holder directories
10
modification categories
Mar 15, 2021
latest recorded revision

Modification demand surface

Other aircraft modifications24
Avionics10
Cargo and special mission4
Cabin and interiors4
Electrical systems3
Aircraft connectivity2
Aircraft performance1
Flight controls1
Safety and emergency equipment1
Landing gear and brakes1

Recorded holders

Recently revised 501 STCs

Showing the 51 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.