NavigationQuestion 290 of 934

A pilot uses the IFR tolerances as a guide for an airborne VOR check. What tolerance applies?

  1. ±1°
  2. ±4°
  3. ±10°
  4. ±6°
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Correct answer: ±6°

The IFR guide values are ±4° for ground checks and ±6° for airborne checks.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 16: Navigation — Very High Frequency (VHF) Omnidirectional Range, page 410

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Questions last reviewed: 18 October 2026