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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Radio Navigation > In a conventional radar mapping mode designed to use a broad vertical fan beam, which statement is correct?

189 - ATPL Question Bank in English - In a conventional radar mapping mode designed to use a broad vertical fan beam, which statement is correct?

Question 189 - Radio Navigation - ATPL - Airline Transport Pilot Licence

It always uses a narrow pencil beam and stops working at 60 NM.

Its fan beam is guaranteed to give equally strong returns at every range out to 150 NM.

All radar mapping modes use the same pencil beam over a universal 0–150 NM range.

A fan-shaped vertical beam illuminates a broad ground region; its useful range depends on the equipment, geometry and target reflectivity.

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