Packard LePeré (Engineering Division/Packard) (USA)
- Packard LePeré LUSAC 11, Single-engine two-seat WWI biplane fighter
Paragliding
- Paragliding at Torrey Pines Gliderport, La Jolla, California
Percival Aircraft, Ltd. (United Kingdom)
- Percival P-40 Prentice, Single-engine three-seat low-wing monoplane trainer
- Percival Proctor III, Single-engine low-wing monoplane
Pfalz Flugzeugwerke GmbH (Germany)
- Pfalz D.XII, World War I German single-engine single-seat biplane fighter
Piasecki Helicopter (United States of America)
- Piasecki H-21B Workhorse, USAF tandem-rotor heavy-lift helicopter
- Piasecki HUP-1 Retriever, USN tandem-rotor utility helicopter
- Piasecki HUP-3 Retriever, USN tandem-rotor utility helicopter
Pietenpol, Bernie H. (United States of America)
- Pietenpol Air Camper, Single-engine two-seat parasol amateur-built light Aircraft
Pioneer Rocket Plane (Spoof) (United States of America)
- Pioneer Rocket Plane, Old Rhinebeck Aerodrome
Piper Aircraft Corporation (Ted Smith Aircraft Company) (United States of America)
- Piper Aerostar 601, American Twin-engined propeller-driven executive or light transport aircraft
Piper Aircraft (Taylor Aircraft) (United States of America)
- Piper (Taylor) E-2Cub, Single-engine two-seat light high-wing monoplane
Piper Aircraft Company (United States of America)
- Piper J3C-65 Cub, Single-engine (65 hp) two-seat light high-wing monoplane
- Piper J3L-65 Cub, Single-engine (65 hp) two-seat light high-wing monoplane
- Piper J-5A Cub Cruiser, Single-engine two-seat light high-wing monoplane
- Piper L-4A Grasshopper, Single-engine two-seat liaison/observation/trainer light high-wing monoplane
- Piper L-4H Grasshopper, Single-engine two-seat liaison/observation/trainer light high-wing monoplane
- Piper L-4J Grasshopper, Single-engine two-seat liaison/observation/trainer light high-wing monoplane
- Piper PA-11 Cub, Single-engine two-seat light high-wing monoplane
- Piper PA-12 Super Cruiser, Single-engine three-seat light high-wing monoplane
- Piper PA-24-250 Comanche 250, Single-engine (250 hp) four-seat low-wing cabin monoplane
- Piper PA-24-260 Comanche 260, Single-engine (260 hp) four-seat low-wing cabin monoplane
- Piper PA-28-140 Cherokee 140-4, Single-engine (140/150 hp) two/four-seat sporting and training light aircraft
- Piper PA-28-150 Cherokee 150, Single-engine (150 hp) four-seat low-wing cabin monoplane
- Piper PA-28-160 Cherokee 160, Single-engine (160 hp) four-seat low-wing cabin monoplane
- Piper PA-28-161 Warrior II, Single-engine (160 hp) four-seat low-wing cabin monoplane
- Piper PA-28-180 Cherokee Archer, Single-engine (180 hp) four-seat low-wing cabin monoplane
- Piper PA-28-181 Cherokee Archer II, Single-engine (180 hp) four-seat low-wing cabin monoplane
- Piper PA-28R-200 Cherokee Arrow II, Single-engine (200 hp) four-seat retractable-gear low-wing cabin monoplane
- Piper PA-32-300 Cherokee Six, Single-engine (300 hp) six-seat low-wing cabin monoplane
- Piper-Stinson Voyager, Single-engine (165 hp) four-seat high-wing cabin monoplane
Pitcairn Aviation, Inc. (United States of America)
- Pitcairn PA-5 Mailwing, Single-engine (220 hp) single-seat biplane mailplane
- Pitcairn PA-6 Super Mailwing, Single-engine (220 hp) single-seat biplane mailplane
- Pitcairn PCA-2 Autogiro, Single-engine (300 hp) three-seat open cockpit Autogiro.
Pitts Aviation Enterprises Inc. (United States of America)
- Pitts S-1S Special, Single-engine single-seat sporting biplane
- Pitts S-2 Special, Single-engine two-seat home-built biplane
- Pitts S-2B Special, Single-engine two-seat aerobatic biplane
- Pitts S-2S Special, Single-engine single-seat aerobatic biplane
Poberenzy, Paul (United States of America)
- Poberenzy P-5 Pober Sport, Single-engine single-seat light low-wing monoplane
- Poberenzy P-9 Pober Pixie, Single-engine single-seat light parasol monoplane
Porterfield Aircraft Corporation (United States of America)
- Porterfield CP-65 Collegiate, Single-engine two-seat high-wing monoplane trainer
Pratt & Whitney (United States of America)
- Pratt & Whitney JT11, Single-spool, high-bypass, Mach 3+ turbojet engine
PZL-Mielec (Poland)
- PZL-Mielec An-2 Colt, Single-engine large utility biplane
- PZL-Mielec LIM-5 Fresco-C, Single-engine single-seat swept-wing jet fighter
- PZL-Mielec LIM-6bis Fresco, Single-engine single-seat swept-wing jet fighter
- PZL-Mielec PZL-104 Wilga 35A, Single-engine high-wing STOL utility monoplane
- PZL-Mielec TS-11 Iskra, Two-seat low-wing jet trainer