Pereira formed Osprey Aircraft to market the plans to homebuilders, including plans for a trailer that allows the pilot to launch and recover the aircraft single-handed.

[3][4] The Navy became interested in the project through a Naval Air Development Center study into patrol missions in Southeast Asia.

[4] The study required that the aircraft be capable of flight under visual flight rules (VFR), be lightweight, cost less than 5,000 US dollars, and be able to be manufactured in Southeast Asia.

[5] After examining Pereira's Osprey in 1971, the Navy purchased the aircraft and commenced testing it as the X-28A in the fall of that year.

Related lists This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.