What is the purpose of knowing how to calculate fuel requirements for night VFR flight?

The purpose of knowing how to calculate fuel requirements for night VFR flight primarily focuses on ensuring that there is adequate fuel available for the entire duration of the flight, including contingencies such as an emergency landing. Night flying introduces additional risks, such as reduced visibility and the potential for navigational errors, which could require a pilot to divert to a different airport or conduct an emergency landing. By thoroughly calculating fuel requirements in advance, pilots can ensure they have enough fuel not just for the planned route, but also for any unforeseen circumstances that may arise, thus enhancing safety during the flight.

This calculation involves accounting for factors such as flight duration, potential delays, and alternate landing options, ensuring that the pilot is prepared for any situation that could impact fuel consumption and availability. While the other choices touch on relevant aspects of flight operations, they do not specifically address the critical safety aspect of fuel management during night VFR flights.