What equipment is essential for navigating inside a wreck?

Navigating inside a wreck poses unique challenges due to the complex structures and potential for disorientation. The correct answer emphasizes the necessity of both a compass and a dive computer for effective navigation.

A compass is vital for maintaining a sense of direction when visibility is limited, which is often the case in confined spaces and murky waters inside a wreck. It helps divers orient themselves and calculate their exit route, which can be crucial for safety.

In addition to the compass, a dive computer provides essential information regarding depth, bottom time, and no-decompression limits, which are critical for safe diving practices. Inside a wreck, maintaining awareness of depth can prevent accidental depth-related issues as conditions may change abruptly.

Together, these two tools—while individually useful—complement each other to enhance safety and navigation efficiency within wreck environments. Relying solely on other tools, such as a handheld camera or just one of the navigation aids, would not provide the comprehensive situational awareness needed for safely navigating inside a wreck.