What are the minimum requirements for NVG currency?

The minimum requirements for night vision goggles (NVG) currency are designed to ensure that a crew member maintains proficiency in using NVGs in operational environments. The correct answer states that a flight every 60 days is required, which involves a minimum of 60 minutes of flight time or achieving 10 points in specific training tasks.

This requirement is critical because NVG operations can involve complex and dynamic flying conditions, where proficiency is essential for safety and effectiveness. By allowing for a maximum of 60 days between NVG flights, the regulation strikes a balance between operational requirements and ensuring crew members do not become complacent with their NVG skills. Regular practice helps to reinforce muscle memory and decision-making under low-visibility conditions, ensuring that crew members remain capable when using NVGs.

The alternative choices suggest less frequent training, which could lead to a decrease in proficiency over time. For instance, a flight every 3 months or 6 months would significantly reduce practice frequency, potentially compromising safety and operational effectiveness. Hence, the requirement outlined in the correct answer is structured to maintain a standard where crew members remain confident and competent in NVG operations.