Radio Navigationmedium#1107
The maximum theoretical range of a VOR at FL350 (assuming station elevation at sea level) is approximately:
A
100 NM
B
150 NM
C
250 NM
D
200 NM
CorrectExplanation
Using the formula: range (NM) = 1.23 x (sqrt(h1) + sqrt(h2)), at FL350 (35,000 ft): 1.23 x sqrt(35000) = ~230 NM, approximately 200 NM in practice.
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