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Aircraft STC directory

Cessna Aircraft 170 STCs

The Jun 30, 2026 FAA DRS snapshot contains 57 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 170. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

57
listed Current at snapshot
38
holder directories
13
modification categories
Apr 3, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications22
Avionics7
Engine and powerplant7
Flight controls4
Aircraft structures3
Landing gear and brakes3
Cabin and interiors3
Propellers2
Electrical systems2
Aircraft connectivity1
Cargo and special mission1
Fuel systems1
Safety and emergency equipment1

Recorded holders

Recently revised 170 STCs

Showing the 57 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.