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FAA-listed STC holder

Horizon Instruments Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 22 selected supplemental type certificates with status Current under Horizon Instruments Inc. The records span 231 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

22
listed Current at snapshot
231
aircraft directories
2
modification categories
Jul 28, 2010
latest recorded revision

Modification mix

Engine and powerplant21
Other aircraft modifications1

Aircraft represented

Cessna Aircraft 182178 STCsCessna Aircraft 182A157 STCsCessna Aircraft 182E157 STCsCessna Aircraft 172154 STCsCessna Aircraft 182B154 STCsCessna Aircraft 182C152 STCsCessna Aircraft 182D150 STCsCessna Aircraft 172K147 STCsCessna Aircraft 172D146 STCsCessna Aircraft 172E146 STCsCessna Aircraft 172M146 STCsCessna Aircraft 172I145 STCsCessna Aircraft 172N145 STCsCessna Aircraft 172G142 STCsCessna Aircraft 172L141 STCsCessna Aircraft 172B140 STCsCessna Aircraft 172C140 STCsCessna Aircraft 172A138 STCsCessna Aircraft 180136 STCsCessna Aircraft 172P133 STCs

Recently revised records

Showing the 22 most recently revised records. Category directories provide the complete paginated discovery path.