Цитата Сообщение от ;178700
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...This altitude has been determined to reflect Pressure altitude as set by 29.92 inHg on the Altimeter. The actual local pressure for DCA at impact time was 30.22 inHg. The error for this discrepancy is 300 feet. Meaning, the actual aircraft altitude was 300 feet higher than indicated at that moment in time. Which means aircraft altitude was 480 feet above sea level (MSL, 75 foot margin for error according to Federal Aviation Regulations).
Че непонятно?
Опять Джон Доу? Но мне интуиция подсказывает, что несмотря на все его старания, диск Вы у него таки не купите )))