What does a fuel flow meter indicate?

• A. The total fuel capacity of the aircraft
• B. The rate at which fuel is consumed by the engine
• C. In-flight fuel temperature
• D. The distance traveled on the remaining fuel

Answer: (B)

A fuel flow meter is an essential instrument that provides information on the rate at which fuel is consumed by the engine. This measurement is typically expressed in gallons per hour (GPH) or pounds per hour (PPH), allowing pilots to monitor fuel efficiency and manage fuel consumption effectively during flight. Understanding the fuel flow rate helps pilots make informed decisions about flight planning and fuel management, especially during long journeys or when operating under fuel conservation strategies.

The role of a fuel flow meter is critical in ensuring that the aircraft operates safely and efficiently, as it directly impacts weight management and fuel availability for the duration of the flight. Pilots can use this information to calculate remaining range and make necessary adjustments to their flight plans if fuel consumption exceeds expected rates.