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This intersection is the coffin corner, or more formally the Q corner. [3] The above explanation is based on level, constant speed, flight with a given gross weight and load factor of 1.0 G. The specific altitudes and speeds of the coffin corner will differ depending on weight, and the load factor increases caused by banking and pitching maneuvers.
The pilots' unprofessional behavior, deviation from standard operating procedures, and poor airmanship. The pilots' failure to prepare for an emergency landing in a timely manner, including communicating with air traffic controllers immediately after the emergency about the loss of both engines and the availability of landing sites.
The plane was approaching the coffin corner of its flight envelope, when the turbulence was encountered. After that near disaster, the stall mach buffet margins were widened on all jet aircraft, to preclude a plane getting into that situation again, where severe turbulence narrows the "coffin corner" margins so severely that the pilots do not ...
Pilots had to adjust to the U-2's unusual combination of jet engines and enormous, high-lift glider wings; because of the "coffin corner" they learned of the need to pay complete attention to flying when not using the autopilot. [61]
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English: Graph of Speed vs. Altitude for U-2 high-altitude airplane, region depicting Coffin Corner. Stall and Mach limits for one particular gross weight clarified in color. Note that the operational envelope gets narrower if the plane is more heavily loaded.
American Airlines Flight 96 (AA96/AAL96) was a regular domestic flight operated by American Airlines from Los Angeles to New York via Detroit and Buffalo. On June 12, 1972, the left rear cargo door of the McDonnell Douglas DC-10-10 operating the flight blew open and broke off above Windsor, Ontario, after takeoff from Detroit, Michigan; the accident is thus sometimes referred to as the Windsor ...
Transonic flow patterns on an airfoil showing the formation of shock waves at different Mach numbers (M) in high-speed flight.. In high-speed flight, the assumptions of incompressibility of the air used in low-speed aerodynamics no longer apply.