When was the American single-engined, single-seat, all-metal fighter and ground-attack aircraft first flew in which design Donovan Reese Berlin was associated?
Don R. Berlin Donovan Reese Berlin (June 13, 1898 – May 17, 1982) was an American military aircraft designer and aircraft industry executive. Among the many designs with which he is associated, are the Curtiss P-36 Hawk, Curtiss P-40 Warhawk and Fisher P-75 Eagle. His name is "synonymous with the development of military aviation". He designed aircraft that were safe, rugged and "a pilot's joy."
Embraer EMB 312 Tucano The Embraer EMB 312 Tucano (  ) is a low-wing, tandem-seat, single-turboprop, basic trainer with counter-insurgency capability developed in Brazil. The Brazilian Air Force sponsored the EMB-312 project at the end of 1978. Design and development work began in 1979 on a low-cost, relatively simple new basic trainer with innovative features which eventually became the international standard for basic training aircraft. The prototype first flew in 1980, and initial production units were delivered in 1983.