What aircraft operation near thunderstorms requires continuous ignition?

Continuous ignition is required when operating near thunderstorms due to the potential for turbulence and the risk of encountering windshear or microbursts, which are particularly hazardous conditions that can influence the aircraft's performance and stability.

When flying in the vicinity of thunderstorms, the risk of encountering severe turbulence increases, and the airframe may experience abrupt changes in airflow or direction. Continuous ignition helps ensure that the engines remain lit and operational in case of any fuel-air mixture disruptions caused by these turbulent conditions.

In contrast, during take-off and landing, while vigilance is necessary due to changes in performance dynamics, the requirement for continuous ignition is not specifically mandated in typical operating procedures for those phases if thunderstorms are not directly affecting the aircraft's immediate flight path. Taxiing, being a ground operation, typically does not require continuous ignition as the aircraft is not in the air and is not subject to the same aerodynamic conditions that necessitate such precautionary measures.