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FAA-listed STC holder

Sky Sign Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 5 selected supplemental type certificates with status Current under Sky Sign Inc. The records span 19 public aircraft directories and 1 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

5
listed Current at snapshot
19
aircraft directories
1
modification categories
Apr 26, 2021
latest recorded revision

Modification mix

Other aircraft modifications5

Aircraft represented

Robinson Helicopter R4478 STCsRobinson Helicopter R44 II70 STCsTextron Aviation 172F (USAF T-41A)53 STCsTextron Aviation 172I52 STCsTextron Aviation 172L51 STCsTextron Aviation 172K49 STCsTextron Aviation 172M49 STCsTextron Aviation 172N49 STCsTextron Aviation 172P46 STCsTextron Aviation 172R41 STCsTextron Aviation 172Q40 STCsTextron Aviation 172S40 STCsRobinson Helicopter R2230 STCsRobinson Helicopter R22 ALPHA28 STCsRobinson Helicopter R22 BETA28 STCsRobinson Helicopter R22 MARINER24 STCsEnstrom Helicopter 280C14 STCsEnstrom Helicopter F-28C12 STCsSchweizer RSG 269C8 STCs

Recently revised records

Showing the 5 most recently revised records. Category directories provide the complete paginated discovery path.