Instrument Rating Checkride Practice Test

How often must a VOR receiver accuracy check be performed for IMC flight?

1. Every 60 days

2. Every 90 days

3. Every 30 days

4. Annually

The correct answer is: Every 30 days

A VOR receiver accuracy check must be performed every 30 days for an instrument flight. This requirement is outlined by the FAA regulations to ensure that pilots flying in Instrument Meteorological Conditions (IMC) can rely on their navigation systems for precision and safety. The 30-day interval is critical as it ensures that the VOR system’s accuracy is maintained and that any potential issues with the navigation equipment are identified and resolved in a timely manner. Conducting these checks regularly helps to prevent navigational errors that could lead to dangerous situations during instrument flying. Regular checks enhance the overall safety while flying under IFR conditions by ensuring all navigational aids are functioning correctly. This frequency aligns with the requirement for reliable operation in the variable and often challenging conditions encountered while flying in IMC.