| 21. | This lateral guidance does not give pilots vertical guidance, which allows for a steady rate of descent.
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| 22. | "The radar data indicates a high rate of descent after the flight-data recorder stopped, " he said.
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| 23. | This arrangement allows for variations in rope diameter and condition, as well as controlled rate of descent.
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| 24. | The Concorde supersonic airliner could use reverse thrust in the air to increase the rate of descent.
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| 25. | Aldrin chanted the altitude and rate of descent : " Forty feet, down 2 1 / 2.
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| 26. | He was unable to check the rate of descent, resulting in a high-impact crash on the runway.
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| 27. | Its main use is as a friction device for controlling the rate of descent in belay systems.
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| 28. | The size of these regions vary with the blade pitch, rate of descent, and rotor rotational speed.
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| 29. | Thereafter the helicopter crashed due to loss of control resulting in high rate of descent in down draught.
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| 30. | The best airspeed is the one that combines the greatest glide range with the slowest rate of descent.
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