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Aerospace Engine Manufacturer
Industry Aerospace & Defense
Founded 1985
Headquarters Indianapolis, IN
Area served
Key people
Daryl Mastin, President
Products Gas Turbine Engines
Parent Rolls-Royce Corporation and Honeywell Aerospace
Website http://www.t800ets.com

LHTEC (Light Helicopter Turbine Engine Company) is a joint venture between Rolls-Royce and Honeywell. The company was originally a partnership between the Allison Engine Company and AlliedSignal Aerospace. In 1995 Rolls-Royce acquired Allison, and AlliedSignal merged with Honeywell in 1999, and adopted its name.

The partnership was formed to develop the T800 turboshaft engine for the United States Army's RAH-66 Comanche armed reconnaissance helicopter. Despite the cancellation of this 650+ aircraft project, the company has been able to sell the T800, and its civil CTS800 model, for other applications, namely the AgustaWestland Super Lynx and Future Lynx.


  • LHTEC T800/CTS800 turboshaft and CTP800 turboprop


  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. ISBN 0-7509-4479-X.