Prior to entering an overhead environment, divers should ensure they have:

Prior to entering an overhead environment, it is essential for divers to have thoroughly reviewed their dive plan. A dive plan is crucial in ensuring that all divers involved are on the same page regarding the objectives, routes, and safety protocols of the dive. In overhead environments like wrecks or caves, where visibility can be limited and the potential for disorientation is heightened, having a well-considered dive plan becomes even more vital. It helps to ensure that all safety measures are understood and that divers are prepared for any contingencies that may arise during the dive.

A dive plan also includes considerations for potential emergencies, entry and exit points, and communication signals, which are critical in the event of unforeseen circumstances. This preparatory step significantly increases safety and contributes to a more organized and effective dive experience.

While other factors like equipment checks, backup air supply, and proper lighting equipment are also important for safety, the dive plan is foundational as it guides all subsequent actions during the dive. Without a solid dive plan, even the best equipment cannot compensate for the lack of preparedness in an intricate underwater environment.