Radio technology · Question 47 of 65
What is the maximum distance at which you might expect perfect VHF radio contact over flat terrain at flight level 65?
1 answer is correct. Hard Official question catalogue
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Answer
- B Approx. 95 NM
Explanation
VHF range can be estimated as about 1.23 · √(altitude in feet) nautical miles. For FL 65 (6500 ft) this gives about 99 NM; the catalogue value is approx. 95 NM.