Category

Rebreather Diving

Last Minute Checks

By | Rebreather Diving | No Comments

Most rebreather manufacturers provide students with a last-minute checklist that can be completed right before jumping off a boat or even in the water prior to descent. If your rebreather does not have such a list consider reciting a short mantra as you approach the “danger zone” before a dive. The danger zone could be the top of a set of stairs leading to the water. It might be the transom of a boat before doing your giant stride. The danger zone is the place where unconsciousness could further result in drowning. When I owned a Cis-Lunar Mk5P, I made little…

Read More

Catastrophic Failures

By | All Posts, Cave Diving, Rebreather Diving, Sidemount Diving, Underwater Photo and Video, Women Underwater | No Comments

Kudos to Curt Bowen from Advanced Diver Magazine for taking time to document the worst case scenario of catastrophic gas loss underwater. His article tests different complete gas failures cause by low and high pressure hose ruptures and burst disk failure. He and his team quantified the amount of time it takes to completely dump a scuba tank. The “Life Ending Seconds” video and article remind us how important it is to plan conservatively and rehearse valve shutdown drills.

Read More