Major Acquisition Programs: Chinook Cargo Helicopter (CH-47)

Wednesday September 13, 2006

What is it? The Chinook Cargo Helicopter (CH-47) is a twin-turbine, tandem-rotor, heavy-lift transport helicopter with a useful load of up to 25,000 pounds. The Chinook entered Army service in the early 1960s with a CH-47A, B, or C model designation. From 1980 through 1993, the early model aircraft were remanufactured to the current CH-47D configuration. Today, 46 percent of the Army's CH-47D fleet was originally manufactured prior to 1966. As the Army's only heavy lift helicopter, the mission of the CH-47 is to transport troops (including air assault), supplies, weapons, and other cargo in combat, combat support and service support operations.

What has the Army done? Key modifications integrated into the CH-47F include:

- A new-machined airframe,
- An upgraded T55-GA-714A engine to restore performance capability,
- Common Avionics Architecture System,
- Air Warrior, Common Missile Warning System,
- Enhanced air transportability features,
- Digital automatic flight control system (DAFCS), and
- An Extended Range Fuel System II for self-deployment missions.

The CH-47F also incorporates reliability and maintainability improvements including airframe tuning for vibration reduction, corrosion protection, digital source collectors, and an automated maintenance program with a 400-hour phase interval.

What efforts does the Army plan to continue in the future? The CH-47F is expected to remain the Army's heavy lift helicopter until at least the 2020-2025 timeframe.

For more additional information on Chinook Cargo Helicopter (CH-47)

For more information on this and other topics see Addendum J in the Army Posture Statement.


LIVE WEB CAST: Sept. 14, 2006, Noon - 1:30 p.m. The Eisenhower National Security Series ,in partnership with the Woodrow Wilson International Center for Scholars and Georgetown University's Center for Peace and Security Studies presents Iran and Terrorism featuring Shahram Chubin, Ph.D., Head Of Academic Affairs, Director Of Research, Geneva Centre For Security Policy. For more information and link to the Web Cast:


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