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FAA-listed STC holder

RAM Aircraft Limited Partnership STCs

The Jun 30, 2026 FAA DRS snapshot lists 127 selected supplemental type certificates with status Current under RAM Aircraft Limited Partnership. The records span 191 public aircraft directories and 10 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

127
listed Current at snapshot
191
aircraft directories
10
modification categories
Jul 9, 2020
latest recorded revision

Modification mix

Other aircraft modifications61Engine and powerplant30Aircraft performance13Propellers8Fuel systems8Electrical systems3Landing gear and brakes1Aircraft structures1Cabin and interiors1Avionics1

Aircraft represented

Cessna Aircraft 172K147 STCsCessna Aircraft 172M146 STCsCessna Aircraft 172E146 STCsCessna Aircraft 172D146 STCsCessna Aircraft 172N145 STCsCessna Aircraft 172I145 STCsCessna Aircraft 172G142 STCsCessna Aircraft 172L141 STCsCessna Aircraft 172P133 STCsCessna Aircraft 172F (USAF T-41A)132 STCsCessna Aircraft 172H (USAF T-41A)122 STCsCessna Aircraft 20675 STCsCessna Aircraft 41473 STCsCessna Aircraft T310Q73 STCsCessna Aircraft 31073 STCsCessna Aircraft 310I72 STCsCessna Aircraft 310Q72 STCsCessna Aircraft T310P71 STCsCessna Aircraft 310J71 STCsCessna Aircraft 310G68 STCs

Recently revised records

Showing the 100 most recently revised records. Category directories provide the complete paginated discovery path.

SA2375SW-DEngine and powerplant

Installation of Lycoming 0-320-D2G, 0-320-D2J, or 0-320-E2D (as modified by STC SE3692SW-D) engine rated for 160 h.p. take-off and 150 h.p. METO for models 1721, 172K, 172L, and 172M according to RAM Dwg. Rl 7201 Rev. F dated 12/9/86; or installation of Lycoming 0-320-D2G, 0-320-D2J, or 0-320-E2D (as modified by STC SE3692SW-D) engine rated for 160 h.p. take-off and 145 h.p. METO for models 172D, 172E, 172F, 172G, and 172H according to RAM Dwg. 17202, Rev. K dated 12/9/86; or installation of Lycoming 0-320-D2G, 0-320-D2J or 0-320-E2D (as modified by STC SE3692SW-D) engine (160 h.p., 2700 r.p.m) in model 172N according to RAM Dwg. 17203, Rev. L dated 12/9/86; or later FAA approved revision.

FAA holder: RAM Aircraft Limited Partnership

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SA2346SW-DOther aircraft modifications

Option 1: Install Teledyne Continental Motors Model TSIO-520-J engines (310 horsepower). Option 2: Install Teledyne Continental Motors Model TSIO-520-N or NB engines (310 horsepower) and McCauley or Hartzell propellers. Option 3: Install Teledyne Continental Motors Model TSIO-520-NB engines modified by Supplemental Type Certificate number SE4327SW (325 horsepower) and McCauley or Hartzell propellers.

FAA holder: RAM Aircraft Limited Partnership

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