- The PA-20 Pacer and PA-22 Tri-Pacer are a family of four-place, strut braced, high-wing light aircraft that were built by Piper Aircraft. The PA-20 and PA-22 were produced from 1950-1954 and 1950-1964, respectively.
- PA-20
- Four-seat, conventional landing gear, light cabin aircraft, powered by a 125 hp (93 kW) Lycoming O-290-D engine. Certified 21 December 1949
- PA-20S
- Three-seat, conventional landing gear, light cabin aircraft, with optional float installation, powered by a 125 hp (93 kW) Lycoming O-290-D engine. Certified 18 May 1950.
- PA-20 115
- Four-seat, conventional landing gear, light cabin aircraft, powered by a 115 hp (86 kW) Lycoming O-235-C1 engine. Certified 22 March 1950.
- PA-20S 115
- Three-seat, conventional landing gear, light cabin aircraft, with optional float installation, powered by a 115 hp (86 kW) Lycoming O-235-C1 engine. Certified 18 May 1950.
- PA-20 135
- Four-seat, conventional landing gear, light cabin aircraft, powered by a 135 hp (101 kW) Lycoming O-290-D2 engine. Certified 5 May 1952.
- PA-20S 135
- Three-seat, conventional landing gear, light cabin aircraft, with optional float installation, powered by a 135 hp (101 kW) Lycoming O-290-D2 engine. Certified 15 May 1952.
- PA-22
- Four-seat, tricycle landing gear, light cabin aircraft, powered by a 125 hp (93 kW) Lycoming O-290-D engine. Certified 20 December 1950.
- PA-22-108 Colt
- Two-seat, tricycle landing gear, light cabin aircraft, powered by a 108 hp (81 kW) Lycoming O-235-C1 or C1B engine. Certified 21 October 1960.
- PA-22-135
- Four-seat, tricycle landing gear, light cabin aircraft, powered by a 135 hp (101 kW) Lycoming O-290-D2 engine. Certified 5 May 1952.
- PA-22S-135
- Three-seat, tricycle landing gear, light cabin aircraft, with optional float installation, powered by a 135 hp (101 kW) Lycoming O-290-D2 engine. Certified 14 May 1954.
- PA-22-150
- Two or four-seat, tricycle landing gear, light cabin aircraft, powered by a 150 hp (112 kW) Lycoming O-320-A2A or A2B engine. Certified 3 September 1952 as a four place in the normal category and 24 May 1957 as a two place in the utility category.
- PA-22S-150
- Three-seat, tricycle landing gear, light cabin aircraft, with optional float installation, powered by a 150 hp (112 kW) Lycoming O-320-A2A or A2B engine. Certified 3 September 1954.
- PA-22-160
- Two or four-seat, tricycle landing gear, light cabin aircraft, powered by a 160 hp (119 kW) Lycoming O-320-B2A or B2B engine. Certified 3 September 1952 as a four place in the normal category and as a two place in the utility category.
- PA-22S-160
- Three-seat, tricycle landing gear, light cabin aircraft, with optional float installation, powered by a 160 hp (119 kW) Lycoming O-320-B2A or B2B engine. Certified 25 October 1957.
