T53-L-11

E911082

The T53-L-11 is a widely used variant of the Lycoming T53 turboshaft engine, known for powering numerous military helicopters with improved performance and reliability.

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Statements (30)

Predicate Object
instanceOf gas turbine engine
turboshaft engine variant
application helicopter propulsion
category aerospace engine
helicopter engine
compressionType axial-centrifugal compressor
configuration single-shaft turboshaft
coolingType air-cooled
countryOfOrigin United States of America
surface form: United States
familySuccessorTo earlier Lycoming T53 variants
feature free-turbine power section
improved performance over earlier T53 variants
improved reliability over earlier T53 variants
fuelType jet fuel
ignitionType continuous combustion gas turbine
manufacturer Lycoming NERFINISHED
notableFor high reliability in military service
supporting increased helicopter payload and performance
widespread operational use
partOfEngineFamily Lycoming T53 NERFINISHED
powerplantFor Bell UH-1 Iroquois NERFINISHED
Bell UH-1D NERFINISHED
Bell UH-1H NERFINISHED
powerTransmission output shaft to main rotor gearbox
role primary powerplant for medium utility helicopters
status in service with legacy helicopter fleets
usedBy United States Army
various international military operators
usedIn military helicopters
usedInConflict Vietnam War

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lycoming T53 notableVariant T53-L-11