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SESK: Stuff Everyone Should Know · sesk.info/pilot-avgas-weight-per-gallon

For weight and balance, how much does one gallon of avgas weigh?

6 pounds per gallon.

  1. 5 pounds
  2. 6 pounds ✔
  3. 7.5 pounds

Why: The FAA handbook uses 6 pounds per gallon for aviation gasoline in weight and balance problems. So 50 gallons of fuel adds about 300 pounds.

Huh, didn't know that: Useful load is the weight of the pilot, passengers, baggage, usable fuel and drainable oil.

The dad joke
Why did the student bring a scale to flight school? To weigh the options.
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Sources

  1. FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 10 https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/faa-h-8083-25c.pdf

Test yourself in the game

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