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Coffin corner (also known as the aerodynamic ceiling [1] or Q corner) is the region of flight where a fast but subsonic fixed-wing aircraft's stall speed is near the critical Mach number, making it very difficult to keep an airplane in stable flight. Because the stall speed is the minimum speed required to maintain level flight, any reduction ...
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 ...
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.
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]
The Army said the instructor pilot, who was the designated pilot in command, had 1,000 flying hours while the other pilot had 500 hours. The third soldier was a crew chief, typically riding in the ...
Altitude envelope (H-M diagram).Contour is load factor. Turn rate envelope, described in an E-M diagram (doghouse plot). Contour is specific excess power. A doghouse plot generally shows the relation between speed at level flight and altitude, although other variables are also possible.
The top Democrat on the Senate Commerce Committee said Thursday the United States needs to reconsider the significant military helicopter flights near one of the most congested U.S. airports after ...
In September 2023, a pilot ejected from an F-35 and parachuted into a backyard in Charleston, South Carolina. The jet flew unmanned for several minutes before it crashed into a field some 60 miles ...