Allison got into aviation in
1926 with the V-1410, an inverted version of the World War I Liberty
In 1930, Allison received a contract to develop the V-1710 for the U.S.
Navy's airships. In 1935, the airship Macon crashed, the Navy cancelled
the contract and James Allison sold the company to General
After World War II, responsibility for developing General Electric's J33
and J35 turbojets was transferred to Allison. The company's first
turboprop, the T38, first flew in 1949.
A management buyout in 1993 resulted
in an independent company and a name change to Allison Engines.
In 1995 Rolls-Royce purchased Allison.