Aviation Dictionary

Preignition

Ignition occurring in the cylinder before the time of normal ignition. Preignition is often caused by a local hot spot in the combustion chamber igniting the fuel/air mixture.

Dictionary Term

Preignition

Definition

Ignition occurring in the cylinder before the time of normal ignition. Preignition is often caused by a local hot spot in the combustion chamber igniting the fuel/air mixture.

References

Airplane Flying Handbook, Federal Aviation Administration, 2021