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The HP 2640 series included one of the first bit mapped graphics displays that, when combined with the HP 2100 21MX F-Series microcoded Scientific Instruction Set, [25] enabled the first commercial WYSIWYG presentation program, BRUNO, that later became the program HP-Draw on the HP 3000. Although scoffed at in the formative days of computing ...
At 9:28 a.m. CST (3:28 p.m. UTC) [6] on Saturday, 16 January 1965, a Boeing KC-135A-BN Stratotanker, serial number 57-1442, took off from the McConnell Air Force Base and gained very little altitude. During this time, the aircraft began to experience a large amount of yaw , and attempted to return to the airport. [ 7 ]
USAF KC-135A, 56-3629, crashed into the sea on climbout from Ching Chuan Kang Air Base due to low-level windshear, killing all four on board. [101] 3 June 1971 USAF KC-135Q, 58-0039, exploded in mid-air and crashed at Centenera, Spain, killing all five on board. [102] 13 March 1972 KC-135A, 58-0048, crashed while landing at Carswell AFB. Its ...
The Boeing EC-135 is a retired family of command and control aircraft derived from the Boeing C-135 Stratolifter.During the Cold War, the EC-135 was best known for being modified to perform the Looking Glass mission where one EC-135 was always airborne 24 hours a day to serve as flying command post for the Strategic Air Command in the event of nuclear war.
The Pratt & Whitney Canada PT6 is a turboprop aircraft engine produced by Pratt & Whitney Canada.Its design was started in 1958, it first ran in February 1960, first flew on 30 May 1961, entered service in 1964, and has been continuously updated since.
1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...