| Name | Age | Sex | Injuries | Injured areas |
|---|---|---|---|---|
| Gattas, Mayu | Not recorded | Not recorded | Not recorded | Not recorded |
On Sunday, October 3, 1982, a group of five cavers entered Cueva de la Colindoncia in Puerto Rico. An additional person stayed outside while the rest did the 50 m entrance rappel. They checked leads and explored for awhile, then made ready to leave. The rope ended in a tangle in space-one of the cavers had earlier had the person above pull up some gear. Luckily the man outside was still waiting and let the rope down again without a tangle.
When Mayu Gattas got out her gear, which she had borrowed from a caver not present, she discovered she didn't know how to put on the 3-Gibbs rig. Her companions offered advice and help which proved ineffective. The rest then ascended, set up a hauling system and pulled Gattas up.
The entrance is a free drop except for a ledge, 15 m down. Rope will often tangle if thrown all at once. One should not vertical cave without practicing, especially if you are using someone else's gear.
Caver without knowledge of vertical caving technique had to be hauled up after rope tangled and inability to rig borrowed gear properly.