What should a diver do if they exceed the Doppler no-decompression time limits by less than 5 minutes?

If a diver exceeds the Doppler no-decompression time limits by less than 5 minutes, the appropriate action is to ascend normally to 15 feet and stop for at least 10 minutes. This approach is consistent with safe diving practices and helps minimize the risk of decompression sickness.

When a diver exceeds the no-decompression limits, ascending to a depth of 15 feet (also known as a safety stop) allows for off-gassing of nitrogen accumulated during the dive. The time spent at this depth provides a buffer period for the body to eliminate excess nitrogen more effectively, thereby reducing the likelihood of developing decompression sickness.

Practicing safety stops is a standard procedure in recreational diving, especially after exceeding time limits. It is an essential aspect of preventing potential issues that could arise from rapid ascents or improper management of dive profiles. By implementing these safety measures, divers can significantly increase their safety following any dive that approaches or exceeds their pre-established limits.