When should headlights be on while driving airside?

The correct answer is that headlights should be on when visibility is poor or during inclement weather. This practice is crucial for ensuring safety in airside operations. Airside areas are often subject to variable visibility conditions due to factors such as fog, rain, snow, or other weather-related issues. Keeping headlights on in these situations enhances the visibility of your vehicle to others and helps to navigate safely through low-light or challenging environmental conditions.

While it might also be important to have headlights on during nighttime, relying solely on nighttime as a criterion does not address situations that can occur throughout the day when visibility might still be compromised. Additionally, only using headlights when required by signs may lead to confusion and unsafe driving practices; conditions on the airfield can change quickly based on weather and operational factors. Therefore, a consistent rule of having headlights illuminated in poor visibility situations provides a clear and proactive safety measure for all vehicles operating airside.