Initial Operational Capability (IOC):
Also Known As: JT8D-200, JT8D-217 and JT8D-219
Origin: United States of America
Pratt & Whitney
Parent System: JT8D
Initial Operational Capability (IOC): February 1964
Total Production: 14,000
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Description: Pratt & Whitney's JT8D series engines introduced in 1964 are suitable for both commercial and military applications. The eight models of this engine provide thrust ranging from 14,000 to 21,700 pounds. Early models are rated between at 14,000 through 17,000 pounds. JT8D-200 introduced in 1980 and follow-on models provide from 18,500 to 21,700 pounds of thrust. Pratt & Whitney JT8D development since the engine's inception focuses on low maintenance costs and reliability. With more than 14,000 engines built the JT8D engines power more than 4,500 commercial aircraft owned by 350 operators worldwide.
So far, the airplanes powered by JT8D are: Boeing 727, 737-100, 737-200, MD-80 (only JT8D-200), McDonnell Douglas DC-9 and Super 27 (only JT8D-200) Re-engining program. In January 2007, the US Air Force and Northrop-Grumman selected the Pratt & Whitney and Seven Q Seven (SQS) Propulsion Pod System (PPS) based on the JT8D-219 model as the engine replacement for the E-8C Joint STARS aircraft fleet. JT8D-219 will replace the TF33-PW-102 engine providing more than 20 percent improvement in fuel burn over its predecessor, according to Pratt & Whitney.
The JT8D-219 engine is a derivative of the JT8D-200 engine introduced in 1980 and aimed mainly at military applications such as E-8C, KC-135 and E-3 AWACS. It offers lower infrared signature and radar interference, shorter takeoff distance, and a faster and steeper climb, for engines in its class. Fuel-efficiency for gains in time-on-station and fuel offload are among the goals achieved by Pratt & Whitney in the JT8D-219 development. The engine also meets commercial-engine noise and emissions regulations. The engine installation requires no significant aircraft modifications due to the engines having the same weight and center of gravity as the TF33 (JT3D commercial designation) engine powering E-8C, KC-135 and E-3 aircraft.
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