What should a pilot do in response to a solid red light in flight?

In aviation, a solid red light typically indicates a warning signal that requires immediate attention, often related to traffic management. When pilots encounter a solid red light in flight, the appropriate response is to give way to other aircraft. This is a critical safety protocol to ensure that the aircraft maintains safe separation from others in the airspace.

Giving way involves identifying other aircraft in your vicinity and adjusting your flight path as necessary to avoid potential collisions. This response is aligned with standard operating procedures in aviation, where prioritizing safety and maintaining situational awareness are paramount.

The other options, while they may seem plausible in different contexts, do not appropriately address the typical implications of a solid red light signal during flight. For instance, landing immediately or stopping all operations may not be necessary or practical unless explicitly indicated by other signals. Likewise, circling the airspace without a clear reason could lead to further confusion or safety risks among other aircraft.

Understanding this signal and responding by giving way allows pilots to act prudently and help ensure the safety of all aircraft in the vicinity.