Octane Rating


Octane rating is a measure of a fuel's ability to resist 'knocking' or 'pinging' during combustion, caused by the air/fuel mixture detonating prematurely in the engine. In aviation, the octane rating is an important factor in determining the suitability of an aviation fuel for use in a particular aircraft engine. The higher the octane rating, the more resistant the fuel is to knocking. Aviation gasoline (avgas) typically has an octane rating of 100 or higher, while jet fuel has a much lower octane rating. It is important for pilots to use the correct type of fuel for their aircraft to ensure safe and efficient operation.


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