EASA NAV(A)intermediate
Given TC 183°, WCA +011°, MH 198°, and CH 200°, what are TH and variation?
Answer
TH 194°, VAR 004°W
Explanation
With the question's convention, TH = TC + WCA = 194°. The difference between true and magnetic references is 198° − 194° = 4°, with the keyed direction west. **Key takeaway:** Calculate the angular difference first, then assign east or west using the stated convention. **Glossary:** **TH**: True heading; **VAR**: Variation between true and magnetic north.
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