How many clicks are needed for high intensity on runway lights?

For high intensity on runway lights, the correct response is seven clicks. This is because the click system for controlling the intensity of runway lights typically operates on a sequence that requires a specific number of clicks to achieve maximum brightness.

The reasoning behind this is established in standard aviation operating procedures that utilities like runway lighting systems follow. They often operate on a multi-level intensity setting controlled by clicking the microphone, with each set number of clicks corresponding to an increase in brightness. Therefore, the sequence that allows for high intensity requires specifically seven clicks, which prepares the runway lights for optimal visibility during landing and takeoff operations under various light conditions.

Understanding the click system is crucial for pilots, especially when flying into or out of airports with varying lighting conditions, as it directly impacts safety and operational efficacy on the runway.