EASA NAV(A)intermediate
Match each navigation term to its correct definition: Terms: 1. Magnetic variation 2. Compass deviation 3. Wind correction angle (WCA) 4. Isogonal line Definitions: A. Angular difference between true north and magnetic north B. Angular difference between magnetic north and compass north caused by local magnetic fields C. Angular difference between true course and true heading to compensate for drift D. Line connecting points of equal magnetic variation
Answer
1 - A, 2 - B, 3 - C, 4 - D
Explanation
These definitions identify the reference directions used in navigation. Confusing variation with deviation introduces errors when converting chart courses to compass headings. **Key takeaway:** Learn each angular difference by naming its two endpoints. **Glossary:** Isogonal line: line joining points of equal magnetic variation.
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