Perihelion, when the sun is nearest the earth, falls around:
DGCA Air Navigation question paper, June 2025
53 questions, Regular. The first 5 are here in full with the correct answer shown.
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Starting from longitude 176°36'E, latitude 45°40'N, an aircraft holds a constant true track of 090° (a rhumb line along the parallel) for 1480 km. Where does it end up?
In the southern hemisphere an aircraft flies a great circle from P (47°S 015°E) to Q (53°S 005°E). Between P and Q, how does the great circle track change?
Taking one minute of arc on a great circle as one nautical mile, about how far is it right round the earth?
An aclinic line joins places where:
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