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The angle between magnetic course and true course is called:
Answer
Variation
Explanation
Magnetic and true directions differ because magnetic north does not coincide with true north. That angular difference is **variation**. Deviation concerns the aircraft compass, while WCA compensates for wind. **Key takeaway:** Variation converts between true and magnetic references.\n\n**Glossary:** **Magnetic variation**: Angle between true north and magnetic north.
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