In 1948 Beech built as a private venture a two-seat trainer based on
the V-tail civil Bonanza. The piston-engined T-34 was adopted by the
U.S. Air Force as it's primary trainer in 1953 and U.S. Navy in 1954.
The T-34C, a turboprop version of the Mentor was first flown in 1973
and adopted by the U.S. Navy as it's primary trainer in 1977. This
version is known as the Turbo-Mentor.
Turbo-Mentors have been used by naval and air forces of Argentina,
Ecuador, Indonesia, Morocco, Peru and Uruguay.
