MARTIN B-57E COMBAT CONVERSION
Posted 7/8/2009
Printable Fact Sheet
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Martin B-57E Combat Conversion side view (S/N 55-4274) of the 8th Tactical Bombardment Squadron, 405th Tactical Fighter Wing, Clark AB, Philippines. (U.S. Air Force photo)
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Because of losses sustained in Vietnam, 12 B-57Es were returned to Martin in 1965 for modification to the bomber role. The target towing equipment and control system was removed and the standard bomb system from the B-57B was installed.
Once conversion was complete, most aircraft were assigned (initially) to the 8th Tactical Bombardment Squadron, 405th Tactical Fighter Wing, at Clark Air Base, Philippines. The 8th BS was later reassigned to the 35th Tactical Fighter Wing and moved to Phan Rang Air Base, Republic of South Vietnam.
| Type |
Number built/
converted |
Remarks |
| B-57E |
12 (cv) |
Combat conversions |
TECHNICAL NOTES:
Armament: None
Engines: Two Wright J65-W-5 turbojets of 7,200 lbs. static thrust each (Wright J65 was U.S.-built version of the Armstrong Siddeley "Sapphire")
Maximum speed: 600 mph at 45,000 ft.
Cruising speed: 530 mph
Combat radius: Approx. 950 miles
Range: Approx. 2,700 miles maximum ferry range
Service ceiling: 48,000 ft.
Span: 64 ft. 0 in. (without tip tanks)
Length: 66 ft.
Height: 15 ft. 7 in.
Weight: 55,000 lbs. (maximum takeoff weight)
Crew: Two (pilot and engineer/observer/bombardier)
Serial numbers: 55-4238, -4248, -4251, -4259, -4265, -4268, -4269, -4270, -4274, -4282, -4284, -4285
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