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The aircraft dropped 685 feet (209 m) in thirty seconds before the hijackers stabilized it. On the morning of September 11, Flight 93 was the only hijacked aircraft to broadcast a distress call. It is likely that because the pilots had been made aware of the suicide attacks on the World Trade Center and to be on alert for cockpit intrusion ...
F-117 stealth aircraft PL-01 stealth tank Surcouf French stealth frigate. Stealth technology, also termed low observable technology (LO technology), is a sub-discipline of military tactics and passive and active electronic countermeasures, [1] which covers a range of methods used to make personnel, aircraft, ships, submarines, missiles, satellites, and ground vehicles less visible (ideally ...
The top and bottom images produce a dent or projection depending on whether viewed with cross- () or wall- () eyed vergence. An autostereogram is a two-dimensional (2D) image that can create the optical illusion of a three-dimensional (3D) scene. Autostereograms use only one image to accomplish the effect while normal stereograms require two.
The Atlas Cheetah is a South African fighter aircraft designed and produced by the aviation company Atlas Aircraft Corporation (later Denel Aeronautics). It was primarily designed and developed to be operated by the South African Air Force (SAAF). The Cheetah was developed amid the Border War of the 1980s as a major upgrade of the French-built ...
Avro Vulcan XH558 (military serial XH558, civil aircraft registration G-VLCN) Spirit of Great Britain was the last remaining airworthy example of the 134 Avro Vulcan jet-powered delta winged strategic nuclear bomber aircraft operated by the Royal Air Force during the Cold War. It was the last Vulcan in military service, and the last to fly at ...
Of all the early operators of military aircraft, Germany was unusual in not using circular roundels. After evaluating several possible markings, including a black, red, and white checkerboard, a similarly coloured roundel, and black stripes, it chose a black 'iron cross' on a square white field, as it was already in use on various flags, and reflected Germany's heritage as the Holy Roman Empire.
YF-23 YF-23 flying over Edwards Air Force Base. General information Type Stealth fighter technology demonstrator National origin United States Manufacturer Northrop / McDonnell Douglas Status Canceled Primary user United States Air Force Number built 2 History Manufactured 1989–1990 First flight 27 August 1990 The Northrop/McDonnell Douglas YF-23 is an American single-seat, twin-engine ...
Aviation communication is the means by which aircraft crews connect with other aircraft and people on the ground to relay information. Aviation communication is a crucial component pertaining to the successful functionality of aircraft movement both on the ground and in the air. Increased communication reduces the risk of an accident.