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Old 21st Apr 2011, 09:21
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Pulkdahulk
 
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ATP Radio aids DGCA Prep Questions

Can anyone solve this and show how to get the answer.



An aircraft has to communicate with a VHF station at a range of 300 nm, if the ground station
is situated 2500' amsl which ofthe following is the lowest altitude at which contact is likely to
be made?
a) 190'
b) 1,378'
c) 37,600'
d) 84,100'

An aircraft at19,000ft wishes to communicate with a VDF station at 1,400ft amsl. What is the
maximum range at which contact is likely?
a) 175nm
b) 400.0nm
c) 62.5nm
d) 216nm
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