Manufacturer Osprey Aircraft | ||
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The GP-4 is an experimental aircraft designed to fly cross country with two passengers 1,200 nmi (2,222 km) at 240 mph (386 km/h). Aircraft Spruce & Specialty Co has the rights to distribute the kits for the aircraft, while the plans are distributed by Osprey Aircraft.
Contents

Design and development

The GP-4 is the fourth aircraft from designer George Pereira, It is a low wing side-by-side retractable gear aircraft of wood construction. It has a single spar stressed to +8 to -6G loading.
The aircraft's wooden construction is labor-intensive and an estimated 3000–4000 hours are required to construct it.
Operational history

In 1984 The GP-4 won the Grand Champion Custom Built and the Outstanding New Design awards at the Experimental Aircraft Association Airventure airshow in Oshkosh, Wisconsin.
Specifications GP-4
Data from Osprey
General characteristics

Performance


