Lycoming T53

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T53
Cutaway view of an early T53 turboprop, with single stage HP and power turbines
Type	Turboshaft
National origin	United States
Manufacturer	Lycoming Engines Honeywell Aerospace Ozark Aeroworks LLC
First run	~1955 [1]
Major applications	AH-1 Cobra Kaman K-MAX OV-1 Mohawk UH-1 Iroquois
Developed into	Lycoming T55

The Lycoming T53, (company designation LTC-1) is a turboshaft engine used on helicopters and (as a turboprop) fixed-wing aircraft since the 1950s. It was designed at the Lycoming Turbine Engine Division in Stratford, Connecticut, by a team headed by Anselm Franz, who was the chief designer of the Junkers Jumo 004 during World War II.

A much larger engine, similar in overall design, became the Lycoming T55 produced by Honeywell Aerospace. The T53 model is produced by Ozark Aeroworks LLC.