| 31. | Gracey has written " The static pressure is the atmospheric pressure at the flight level of the aircraft ".
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| 32. | An air traffic controller instructed the pilot to lower its altitude from Flight Level 410 to Flight Level 390.
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| 33. | Flight 212 started to descend from flight level 90 and passed over Saint-Claude, Guadeloupe at an altitude of about.
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| 34. | This might involve requesting a higher flight level than in the plan or asking for a more direct routing.
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| 35. | An air traffic controller instructed the pilot to lower its altitude from Flight Level 410 to Flight Level 390.
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| 36. | For, by the time JP550 had levelled off it was at flight level 330, exactly the same level as BA476:
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| 37. | The aircraft was cleared to climb to flight level 350 ( FL350 ), about, and to head directly to Palembang.
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| 38. | Switzerland notes that the Tupolev was about below the flight level ordered by the Swiss controller, and still descending at.
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| 39. | The CL-44 burned 5, 500 pounds of fuel ( less when operating at its higher flight levels ) per hour.
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| 40. | Muscle recovery took about six months; bone rebuilding, to up to 99 percent of his pre-flight levels, took a year.
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