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FAA-listed STC holder

M-20 Oil Separators LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 8 selected supplemental type certificates with status Current under M-20 Oil Separators LLC. The records span 236 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

8
listed Current at snapshot
236
aircraft directories
2
modification categories
Jul 25, 2008
latest recorded revision

Modification mix

Engine and powerplant7
Other aircraft modifications1

Aircraft represented

Cessna Aircraft 172154 STCsCessna Aircraft 172K147 STCsAerostar Aircraft PA-60-600 (Aerostar 600)146 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 STCsAerostar Aircraft PA-60-601 (Aerostar 601)139 STCsCessna Aircraft 172A138 STCsAerostar Aircraft PA-60-601P (Aerostar 601P)137 STCsAerostar Aircraft PA-60-602P (Aerostar 602P)136 STCsCessna Aircraft 172P133 STCsCessna Aircraft 172F (USAF T-41A)132 STCsCessna Aircraft 172H (USAF T-41A)122 STCsAerostar Aircraft PA-60-700P (Aerostar 700P)117 STCs

Recently revised records

Showing the 8 most recently revised records. Category directories provide the complete paginated discovery path.