What altitude should one ideally avoid for obstructions during precision approaches?

In the context of precision approaches, it is essential to maintain awareness of obstructions and altitude limitations to ensure a safe approach and landing. The decision altitude (DA) is a critical point in precision approaches where the pilot must decide whether to continue to land or go around. Below this altitude, the pilot is typically in a phase of the approach that requires visual reference to the runway environment; therefore, obstacles in the path of the approach are of particular concern.

The correct altitude to avoid obstructions during precision approaches is indeed below the decision altitude. At this point, if the required visual references for a safe landing are not visible, the pilot must execute a missed approach to avoid potential collisions with obstructions. This emphasizes the importance of ensuring that all obstructions are regarded before reaching the decision altitude, as visibility is essential for safe landing.

Understanding the role of decision altitude within the precision approach procedure clarifies why it is crucial to be vigilant for obstructions as one descends through this altitude, assuring the safety of both the flight and its occupants.