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instrument meteorological conditions
commer., transp., avia.	conditions météorologiques de vol aux instruments
English thesaurus
instrument meteorological conditions
avia., avia., ICAO, amer.	Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling less than the minima specified for visual meteorological conditions
avia., Canada	Meteorological conditions less than the minima specified in Subpart 602 of the Canadian Aviation Regulations CARs for visual meteorological conditions VMC, expressed in terms of visibility and distance from cloud
USA	Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling; less than minimums specified for visual meteorological conditions (JP 3-04) see also visual meteorological conditions