During a normal climb from engine start to 10,000 feet pressure altitude, how much fuel would be consumed with an aircraft weight of 3,500 lb and airport pressure altitude of 4,000 ft?

Prepare for the FS3 Aircraft Performance Test. Explore detailed explanations, flashcards, and practice questions with solutions. Ensure your readiness for the test!

To determine the amount of fuel consumed during a normal climb from engine start to 10,000 feet pressure altitude for an aircraft weighing 3,500 pounds, it's important to consider several factors influencing fuel consumption. The aircraft's weight affects engine performance and fuel efficiency, and as altitude increases, engines typically operate less efficiently due to the thinner atmosphere, though they may also produce more power per unit of fuel at higher altitudes.

In this scenario, with an initial airport pressure altitude of 4,000 feet, the aircraft has a pressure altitude that starts higher than sea level, meaning the climb to 10,000 feet pressure altitude represents an effective climb of 6,000 feet in pressure altitude. Fuel consumption rates for aircraft are usually extrapolated from performance charts or tables and are adjusted based on the aircraft's specific operating characteristics, environmental conditions, and weight at takeoff.

Assuming typical rates of fuel flow for a light aircraft in this weight class during a climb, 35 pounds of fuel is a reasonable estimate for the climb profile up to 10,000 feet. This estimate balances both the increased power needs for the initial climb and the increasing efficiency that can occur with altitude, but not to the extent that fuel burn drastically reduces over this short

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy