Which technique is recommended for scanning for traffic in straight-and-level flight?

The recommended technique for scanning for traffic in straight-and-level flight is systematically focusing on different segments of the sky. This method is effective because it allows pilots to methodically search specific areas of the environment around the aircraft, increasing the likelihood of spotting other aircraft or potential hazards. By breaking the sky into segments, a pilot can ensure that no area is overlooked during the scan.

This structured approach not only helps in identifying traffic but also aids in maintaining situational awareness. When a pilot scans systematically, they can more clearly track the movement of aircraft relative to their own position, contributing to safety and effective decision-making in flight.

Utilizing random glances or continuous sweeping could result in missing important details, as these methods lack the focus required for thorough observation. Similarly, remaining focused solely on flight instruments can cause a pilot to become oblivious to their external environment.