Can you wash a helicopter in direct sunlight?

Washing a helicopter in direct sunlight is generally not advisable due to the potential for damage to sensitive components and surfaces. When a helicopter is washed in sunlight, the heat can cause water to evaporate too quickly, leaving behind spots from soap or minerals in the water. This can result in a less effective cleaning process, leaving debris on the aircraft, and can make the surfaces more prone to corrosion over time.

Furthermore, the heat from direct sunlight can make it difficult for personnel to safely and effectively perform washing tasks, as the surfaces can become too hot to touch and may also affect the integrity of certain materials used in the helicopter’s construction. For these reasons, washing is typically recommended during cooler parts of the day or under conditions that minimize direct sunlight exposure, such as overcast weather, to ensure both safety and operational integrity.