How would you calculate fuel endurance for a cross-country flight?

Study for the CASA Module 10 Test. Enhance your knowledge with flashcards and multiple choice questions. Practice with hints and explanations to ensure success. Prepare thoroughly for the test!

Multiple Choice

How would you calculate fuel endurance for a cross-country flight?

Fuel endurance is the amount of time you can stay airborne with the fuel you have, including the required reserves. To calculate it for a cross-country flight, you start with the usable fuel on board—planned fuel plus reserves. Then you determine how long that fuel will last at your current fuel burn rate (fuel flow per hour). In practice, endurance in hours equals the remaining usable fuel divided by the fuel consumption rate per hour. This is the method that directly uses the fuel on board and the burn rate to yield endurance. Distance over speed gives flight time, not fuel endurance. Endurance is not irrelevant for cross-country, and weather doesn’t determine endurance, though it can influence fuel burn.

Fuel endurance is the amount of time you can stay airborne with the fuel you have, including the required reserves. To calculate it for a cross-country flight, you start with the usable fuel on board—planned fuel plus reserves. Then you determine how long that fuel will last at your current fuel burn rate (fuel flow per hour). In practice, endurance in hours equals the remaining usable fuel divided by the fuel consumption rate per hour. This is the method that directly uses the fuel on board and the burn rate to yield endurance.

Distance over speed gives flight time, not fuel endurance. Endurance is not irrelevant for cross-country, and weather doesn’t determine endurance, though it can influence fuel burn.

More practice questions