Instrument Rating Checkride Practice Test

What is the minimum ground visibility required for a contact approach?

1. 1 SM

2. 2 SM

3. 3 SM

4. 4 SM

The correct answer is: 1 SM

The minimum ground visibility required for a contact approach is indeed 1 statute mile (SM). This regulation allows pilots to utilize visual references on the ground while operating under Instrument Flight Rules (IFR). It is important because a contact approach is intended for pilots who are able to navigate visually while still being under IFR operations. Pilots must maintain visual reference to the ground and have the ability to see and avoid obstacles, which is why the visibility requirement is set at a minimum of 1 SM. This standard ensures a reasonable level of safety while allowing flexibility in approach procedures, particularly in conditions where the weather may be marginally acceptable for visual flight rules (VFR) operations. Higher visibility standards, such as 2 SM, 3 SM, or 4 SM, would restrict the use of contact approaches and would not be in accordance with the definitions and regulations established for this specific type of approach. Thus, the choice of 1 SM is the appropriate answer, ensuring that pilots can safely conduct a contact approach under defined conditions.