Incident Report

|Incident Report
Incident Report 2020-05-01T16:26:00+00:00

Lost Trainee diver

Incident Date


Incident Description

Diver A (QD moderate experience) and diver B (trainee 3 previous cave dives) joined 10 other divers into Pwll-y-Cwm over the AGM weekend. Diver A allowed 3 divers to proceed in but Diver C (QD soloing in 15s) was having weighting problems so it was agreed divers A and B would proceed next. Diver B told diver A he would be slow in descending due to ear problems so diver A proceeded to the choke and waited 6 minutes. Eventually a diver came down the line and assuming the diver to be diver B diver A proceeded through the choke. On the far side diver C attempted to communicate that he was not diver B (indicating his 15s in place of diver Bs 7s) but diver A did not comprehend. Diver A proceeded into the sump with diver C behind under the impression that it was diver B. When diver A turned the dive at the agreed turnaround (5 minutes in) diver C refused at which point diver A realised he had lost his trainee. Fortunately diver B was just behind and divers A and B proceeded out.

Lessons Learned

In a heavily trafficed site diver A should have stayed with diver B at all times. Had either diver A or diver C carried a slate they could have communicated. Diver A could have waited until there were no other divers going in.
Line Management Unknown
Gas Management Unknown
Equipment Management Unknown
Equipment Failure Unknown
Training Unknown
Medical Unknown
Planning Unknown
Procedural Error Major
Cave Environment Unknown
Weather Unknown
Other Factor Unknown