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Posted 7/7/2009 Printable Fact Sheet
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Boeing B-52H
Boeing B-52H-140-BW (S/N 60-0017). (U.S. Air Force photo)
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The B-52H was the final model in the B-52 series. Boeing-Wichita built 102 aircraft for delivery in 1961-1962 to the Strategic Air Command. The H model was an improved version of the B-52G with the major change done to the powerplants. The Pratt & Whitney J57 turbojet used on all previous versions of the B-52 was replaced by the Pratt & Whitney TF33 turbofan. The TF33 was rated at 17,000 pounds static thrust, over 3,000 pounds thrust more than the J57. The new engine also was much quieter, fuel efficient and cleaner. The increased power and better fuel efficiency combined to give the H model an unrefueled range of 8,800 miles.

The B-52H has gone through numerous upgrade and service live extension programs and is expected to remain operational well into the next century. The B-52H had a crew of six until 1991 when the gunner position was eliminated and the tail gun deactivated and removed.

Type Number built/
B-52H 102 Improved G model

Armament: One General Electric M61 Vulcan 20mm cannon and up to 70,000 lbs. of mixed ordnance (internal and external); note: tail gun deactivated (removed) after 1991 and the elimination of the gunner
Engines: Eight Pratt & Whitney TF33-P-3 (or -103) turbofans of 17,000 lbs. static thrust each
Maximum speed: 650 mph/547 knots at 23,800 ft at combat weight of 306,350 lbs.
Cruising speed: 530 mph
Range: 8,800 miles maximum; 4,300 mile combat radius (without in-flight refueling)
Service ceiling: 47,700 ft. at combat weight of 306,350 lbs.
Span: 185 ft.
Length: 159 ft. 4 in.
Height: 40 ft. 8 in,
Weight: 488,000 lbs. (maximum takeoff weight)
Crew: Six (aircraft commander, pilot, electronic warfare officer, navigator, radar navigator/bombardier, gunner); five after Oct. 1, 1991, when the gunner position was eliminated
Serial numbers: 60-0001 to 60-0062; 61-0001 to 61-0040

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