(France) PERCIVAL – Percival Aircraft Ltd (United Kingdom) PEREGRINE – Peregrine Flight International (United States) PEREIRA – George Pereira (United States) PERFORMANCE – Performance Aircraft Inc (United States) PHILLIPS – Peter J.C.Phillips (United Kingdom) PHILLIPS & POWIS – Phillips & Powis Aircraft (Reading) Ltd (United Kingdom); Phillips & Powis Aircraft Ltd (United Kingdom) PHOENIX – Phoenix Aircraft Ltd (United Kingdom) PHOENIX-AVIACOR – Phoenix OKB, Aviakor Mezhdunarodnaya Aviatsionnaya Korporatsiya OAO (Russia) PIAGGIO – Industrie Aeronautiche e Meccaniche Rinaldo Piaggio SpA (Italy); Piaggio & Companie SpA (Italy); Piaggio Aero Industries SpA (Italy) PIAGGIO-DOUGLAS – see PIAGGIO and DOUGLAS PIEL – Avions Claude Piel (France); Claude Piel (France); Etablissements Claude Piel (France); Piel Aviation SA (France) PIETENPOL – Bernard H.Pietenpol (United States) PIK – Polyteknikkojen Ilmailukerho (Finland) PILATUS – Pilatus Flugzeugwerke AG (Switzerland) PILATUS BRITTEN-NORMAN – Pilatus Britten-Norman Ltd (United Kingdom) PIPER – Piper Aircraft Corporation (United States); The New Piper Aircraft Inc (United States) PITCAIRN-CIERVA – Pitcairn-Cierva Autogiro Company (United States) PITTS – Curtis Pitts (United States); Pitts Aerobatics (United States); Pitts Aviation Enterprises (United States) PLAN – Max Plan (France) PLUMB – Plumb (United States) POBER – Paul H.Poberezny (United States) PODESVA – Peter Podesva (Czech Republic); Tomás Podesva (Czech Republic) POLIKARPOV – Polikarpov OKB (Russia) POLITECHNIKA WARSZAWSKA – Politechnika Warszawska (Poland) PORTERFIELD – Porterfield Aircraft Corporation (United States) POTEZ – Etablissements Henry Potez SARL (France); Société des Avions et Moteurs Henry Potez (France) POTEZ AIR-FOUGA – Potez Air-Fouga (France) POTTIER – Avions Pottier (France); Jean Pottier (France) POWELL – John C.Powell (United States) PRACTAVIA – Practavia Ltd (United Kingdom) PRESCOTT – Prescott Aeronautical Corporation (United States) PRIVATE EXPLORER – Private Explorer Inc (United States) PROCAER – Progetti Costruzioni Aeronautiche SpA (Italy) PROFESSIONAL AVIATION – Professional Aviation Services (Pty) Ltd (South Africa) PROGRESSIVE AERODYNE – Progressive Aerodyne Inc (United States) PROMAVIA – Promavia SA (Belgium) PROTECH – ProTech Aircraft Inc (United States) PROWLER – Prowler Aviation Inc (United States) PULSAR – Pulsar Aircraft Corporation (United States) PUTZER – Alfons Pützer KG (Germany) PZL-MIELEC – Polskie Zaklady Lotnicze Sp z oo (Poland); Wytwórnia Sprzetu Komunikacyjnego-Panstwowe Zaklady Lotnicze Mielec (Poland); Wytwórnia Sprzetu Komunikacyjnego-Panstwowe Zaklady Lotnicze Mielec SA (Poland) PZL-OKECIE – Centrum Naukowo-Produkcyjne Samolotow Lekkich-Panstwowe Zaklady Lotnicze Warszawa (Poland); EADS PZL Warszawa-Okecie SA (Poland); Panstwowe Zaklady Lotnicze Warszawa-Okecie (Poland); Panstwowe Zaklady Lotnicze Warszawa-Okecie SA (Poland); Wytwórnia Sprzetu Komunikacyjnego-Panstwowe Zaklady Lotnicze Okecie (Poland); Wytwórnia Sprzetu Komunikacyjnego-Panstwowe Zaklady Lotnicze Warszawa-Okecie (Poland) PZL-SWIDNIK – Wytwórnia Sprzetu Komunikacyjnego