計器飛行方式
1. Instrument flight rulesInstrument flight rules (IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations; the other is visual flight rules (VFR). Federal Aviation Regulations (FAR) defines IFR as: “Rules and regulations established by the FAA to govern flight under conditions in which flight by outside visual reference is not safe. IFR flight depends upon flying by reference to instruments in the flight deck, and navigation is accomplished by reference to electronic signals.
Read “Instrument flight rules” on English Wikipedia
Read “計器飛行方式” on Japanese Wikipedia
Read “Instrument flight rules” on DBpedia
Read “Instrument flight rules” on English Wikipedia
Read “計器飛行方式” on Japanese Wikipedia
Read “Instrument flight rules” on DBpedia
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