What action should a pilot take if they encounter icing conditions during flight?

When a pilot encounters icing conditions during flight, changing course to avoid the area is the most appropriate action. Icing can severely affect the helicopter's performance, control, and safety. It can lead to an increased weight from accumulated ice, reduced lift, and potential control issues, all of which can compromise flight safety.

By changing course to navigate away from known or suspected icing conditions, the pilot can maintain safer flight operations. This action allows the pilot to seek warmer air where icing is less likely to occur, thus reducing the risks associated with ice accumulation on the aircraft's surfaces.

Continuing to fly without changes can exacerbate the problem, while climbing to a higher altitude may not necessarily lead to avoiding icing conditions, as the atmosphere can be conducive to ice at various levels. Simply informing air traffic control does not address the immediate risk to the aircraft and its operation, although it is essential for traffic management and search for support.

Overall, avoiding icing conditions proactively is crucial for maintaining the safety and integrity of the flight.