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Id 186 - ATPL - The pencil shaped beam of an airborne weather radar is used in preference to the mapping mode for the determination of ground features:
Question id 186 - Radio Navigation - ATPL - Airline Transport Pilot license
Beyond 50 to 60 NM because more power can be concentrated in the narrower beam
When approaching coast-lines in polar regions
Beyond 150 NM because the wider beam gives better definition
EN 