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Home > Exam Questions > ATPL - Airline Transport Pilot license > Radio Navigation > The pencil shaped beam of an airborne weather radar is used in preference to the mapping mode for the determination of ground features:

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 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

Beyond 100 NM because insufficient antenna tilt angle is available with the mapping mode

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