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Advanced Turbine Engine Company

Advanced Turbine Engine Company (ATEC) is a joint venture between Honeywell and Pratt & Whitney focused on turbine-engine solutions for U.S. Army advanced aviation programs.

Last updated August 26, 2026

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Overview

Advanced Turbine Engine Company, commonly known as ATEC, is a U.S. aerospace-engine joint venture formed by Honeywell and Pratt & Whitney. Established in 2006, it focuses primarily on U.S. Army aviation and defense programs rather than the commercial-airline market. Its work centers on developing, bidding for, and executing advanced turbine-engine programs intended for military helicopters, with objectives including higher power, improved fuel efficiency, and greater operational capability than legacy engines. ATEC's best-known program is the T901 turboshaft engine developed for the U.S. Army's Improved Engine Turbine program. The engine is intended to replace older T700-family powerplants in applications associated with helicopters such as the AH-64 Apache and UH-60 Black Hawk. Because ATEC operates as a project-oriented joint venture, public visibility of the name is concentrated in defense procurement, engine contracts, and military rotorcraft propulsion rather than consumer markets. Available material is insufficient to confirm its current standalone operating structure, headquarters, official website, and later corporate developments; those details should be checked against U.S. defense procurement records and disclosures by its parent companies.

History

Advanced Turbine Engine Company was formed as a joint venture between Honeywell and Pratt & Whitney to pursue advanced helicopter-engine programs for the U.S. Army. Established in 2006, the company focused on military turboshaft-engine development and program execution rather than commercial airline-engine sales. Its creation was connected with the Army's effort to obtain a new generation of rotorcraft propulsion offering greater power margin, improved fuel economy, and stronger performance in demanding operating environments. ATEC subsequently competed in the Army's Improved Engine Turbine program with its T901 engine proposal. In 2013, the U.S. Army selected the T901 solution for the program. The engine was planned to support propulsion upgrades for military helicopters including the AH-64 Apache and UH-60 Black Hawk, while replacing some T700-family engines. Because ATEC's activities are closely tied to U.S. defense procurement, public information generally appears in engine testing records, contracts, military acquisition documents, and announcements by its parent companies. Available information is insufficient to establish the venture's complete later organizational changes, current standalone brand operation, or headquarters, so those matters are not inferred here.

  • 2013

    T901 proposal selected by the U.S. Army

    The U.S. Army selected ATEC's T901 as the solution for the Improved Turbine Engine Program.

  • 2006

    Establishment of Advanced Turbine Engine Company

    Honeywell and Pratt & Whitney formed ATEC to collaborate on the U.S. Army's advanced helicopter engine program.

Products and positioning

  • Military aviation engines · 2013

    T901

    The T901 is a turboshaft engine developed by ATEC for U.S. Army helicopter propulsion modernization. It is positioned to replace some T700-family engines and provide increased power and improved operating performance for military helicopters including the AH-64 Apache and UH-60 Black Hawk.

Brand decisions

  • 2013

    Advancing the T901 engine into the U.S. Army programProduct launch

    Background

    The U.S. Army needed improved helicopter engines to enhance the power and capability of its existing rotorcraft fleet.

    Action taken

    ATEC's T901 solution was selected for the Improved Turbine Engine Program.

    Aftermath

    The T901 proceeded into subsequent development, testing, and military procurement processes, with progress depending on the U.S. Army's program schedule.

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