What action should be taken if ATC issues a traffic advisory?

When ATC issues a traffic advisory, the appropriate action is to become aware of the surrounding traffic and be prepared to alter course if necessary. This means that the pilot should actively monitor the situation, maintain situational awareness regarding the position and movement of other aircraft, and be ready to take evasive action if required to ensure safety.

Traffic advisories are issued to inform pilots of potential conflicts with other aircraft in order to enhance safety in the airspace. By being prepared to change course or altitude, the pilot can effectively manage the risk of mid-air collisions and make informed decisions based on the current conditions. This proactive approach is essential for maintaining safety in a dynamic environment where multiple aircraft may be operating in proximity.

The other options, while they may seem reasonable at a glance, do not align with safe aviation practices. Continuing to fly without any changes disregards the advisory and could lead to dangerous situations. Immediately changing altitude without communicating with ATC could create confusion and disrupt traffic flow. Filing a complaint with ATC is unnecessary and would not address the immediate need to respond to the traffic advisory.