| avia., Canada |
In respect of an aerodrome, the visibility at that aerodrome as contained in a weather observation reported by a an ATC unit; b anFSSorFIC; c a community aerodrome radio station CARS; d an automated weather observation system AWOS used by the Department of Transport, the Department of National Defence or the Atmospheric Environment Service for the purpose of making aviation weather observations; or e a radio station that is ground-based and operated by an air operator |
