IFR en route low-altitude charts

IFR (instrument flight rules) en route low-altitude charts

En route low-altitude charts provide aeronautical information for navigation under IFR conditions below 18,000 ft MSL (mean sea level). This four-color chart series includes the jet route structure; very high frequency navigational aids (VHF NAVAIDs) with frequency [only very high frequency omnidirectional radio-range (VOR) but not terminal VORs], identification, channel, and geographic coordinates; airports with terminal air-to-ground communications; minimum en route and obstruction clearance altitudes; airway distances; reporting points; special use airspace; and military training routes. Scales vary from 1 in = 5 NM (nautical miles) to 1 in = 20 NM; 50 λ 20 in can be folded to 5 λ 10 in. Charts are revised every fifty-six days in the United States. Area charts show congested terminal areas at a large scale.

单词	ifr en route low-altitude charts
释义	IFR en route low-altitude charts IFR (instrument flight rules) en route low-altitude charts En route low-altitude charts provide aeronautical information for navigation under IFR conditions below 18,000 ft MSL (mean sea level). This four-color chart series includes the jet route structure; very high frequency navigational aids (VHF NAVAIDs) with frequency [only very high frequency omnidirectional radio-range (VOR) but not terminal VORs], identification, channel, and geographic coordinates; airports with terminal air-to-ground communications; minimum en route and obstruction clearance altitudes; airway distances; reporting points; special use airspace; and military training routes. Scales vary from 1 in = 5 NM (nautical miles) to 1 in = 20 NM; 50 λ 20 in can be folded to 5 λ 10 in. Charts are revised every fifty-six days in the United States. Area charts show congested terminal areas at a large scale.
随便看	flight data input/output flight data intercept unit flight data management system flight data management unit flight data manager flight data monitoring flight data position flight data processing flight data processing system flight data recorder flight data recorder system flight data replay and analysis system flight data review flight data storage unit flight data system flight data systems development and integration center flight data transfer unit flight data transmitter flight date flight day flight deck flightdeck flight deck assembly flight deck-based merging and spacing flight deck communications system