What should a pilot do if lost and unable to communicate?

When a pilot finds themselves in a situation where they are lost and unable to communicate, circling the area is a prudent course of action. This allows the pilot to visually search for landmarks or reference points that might help with navigation and recognition of their location. Additionally, by remaining in a relatively fixed position, it enhances the chances of being seen by searchers or other aircraft that may be in the vicinity, facilitating recovery efforts.

Circling also enables the pilot to evaluate potential landing sites or solutions if the situation does not resolve quickly. It is important to remain calm, maintain control of the aircraft, and assess the options available rather than making hasty decisions that could potentially compromise safety.

This approach is often recommended in lost procedures, whereas the other options may not effectively address the immediate need for navigation and could lead to increased risk. For example, dropping altitude may not be helpful if there are hazards below, continuing on a planned route could lead the pilot further away from their intended flight path without a clear understanding of their surroundings, and turning off all electronic equipment would hinder any potential for communication or navigation assistance.