What action is required if the planned fuel consumption rate varies?

When the planned fuel consumption rate varies, it is essential to plan for additional fuel reserves to ensure safety and compliance with regulations. Variations in fuel consumption can occur due to several factors, such as changes in weight, altitude, aircraft performance, and weather conditions. By planning for additional fuel reserves, a pilot can mitigate the risks associated with unexpected fuel consumption increases, ensuring that there is enough fuel to reach the destination, as well as to handle any contingencies, such as diversions or extended flight times.

Having these extra reserves is critical for flight safety and allows for greater flexibility in managing flight operations. Rather than solely relying on estimates or averaging previous consumption rates, preparing for the possibility of fluctuating fuel needs ensures that pilots are not caught unprepared in situations where fuel burn rates may exceed expectations. This practice enhances overall situational awareness and decision-making, contributing to a safer flying experience.