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IFR military training route
航空, 加拿大	route d’entraînement tactique à basse altitude; IFR military training route
英语 词库
IFR military training route
航空, 加拿大	A route used by the U.S. Department of Defense and Canadian DND units for the purpose of conducting low-altitude navigation and tactical training in both instrument meteorological conditions IMC and visual meteorological conditions VMC below 10 000 ft MSL at airspeeds in excess of 250 kt IAS.