noun
- gasoline formulated for use in aircraft engines, typically containing lead additives and meeting strict aviation fuel standards.
Usage: aviation industry term; uncountable noun
Examples
- The small plane required avgas with a specific octane rating.
- Pilots must ensure they are using the correct grade of avgas before takeoff.
- Avgas prices fluctuate based on crude oil costs.
- The airport's fuel truck was filled with avgas for the morning flights.
- Modern avgas formulations are being developed to reduce lead content.