Stop. Before you leave the mooring line, pause to orient yourself. Are you at the bow, the stern or in between? Visualize the wreck as a ship, with a pointy and a blunt end, two sides, a top and a bottom. This can be deceptive when wrecks are broken, encrusted or lying on their sides.

On a steel wreck, your compass may be confused. Follow the tips How to Navigate a Wreck to get back to the dive boat safely.