The TFE1042-70 is a modern low-bypass ratio afterburning military engine for light-weight fighters and high performance trainers. Designed, developed, and qualified in the 1980’s, it is intended to power the latest aircraft in the 1990’s and beyond. A version without the afterburner has been given the United States Military Engine designation of F124-GA-100. The engine is rugged, compact, durable, and easily maintained. It has been designed to meet the latest U. S. Military specification standards. This paper describes the engine and the development program.

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