I do the same, unless I'm using a computer with wireless air integration. In that case, I get both pressure values on my dive computer.
Out of air incident.
- Thread starter cbl
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stevensamler
Contributor
MG for all dives, UG , rule of halves, rule of thirds and what ever the environment dictates.
Lucky for him you were a good buddy and nearby. As a beginner diver, the buddies I've had have been HORRIBLE. I get that people can get comfortable, but if I'm in an environment where I can't breathe, I don't want my reserve air source more than 10m away from me. Things happen FAST underwater.
10m is a long way if you have just exhaled. I like my alternate air source much closer which is why I normally dive with a redundant supply.
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Well handled.
With instabuddies I follow the initial check, the ten minute check, and a followup check. I also take a look at their SPG and their NDL. Had an instabuddy that joined two of us last summer. We were on a ledge at 100 ft. She was new to deeper diving but had a fair number of dives and was very relaxed in the water. Later in the dive when I looked at her SPG I looked at her NDL. We were on nitrox. She was on air with 1 minute left. Were close to the anchor line. Paired her up with somebody we knew going up. Later when we got up had a friendly chat about NDL and how to read her rental computer. On dive 2 she proudly showed me the NDL when I did the air check.
With instabuddies I follow the initial check, the ten minute check, and a followup check. I also take a look at their SPG and their NDL. Had an instabuddy that joined two of us last summer. We were on a ledge at 100 ft. She was new to deeper diving but had a fair number of dives and was very relaxed in the water. Later in the dive when I looked at her SPG I looked at her NDL. We were on nitrox. She was on air with 1 minute left. Were close to the anchor line. Paired her up with somebody we knew going up. Later when we got up had a friendly chat about NDL and how to read her rental computer. On dive 2 she proudly showed me the NDL when I did the air check.
Good job! But did you ask the buddy afterwards WTF happened? Did he/she not understand the plan, or the signals, or was it the PSI/bar thing? No reason to rub their face in it excessively, but the combination of a little fear, embarrassment and positive messaging (along with the beers) could go a long way to improving their longevity.
Oh yeah, someone else mentioned noticing OOA just after an exhale... Not that I'm likely to run my tanks dry, but the thought of a catastrophic equipment failure just after exhaling almost makes break out in a cold sweat. tick-tock-tick-tock....
Oh yeah, someone else mentioned noticing OOA just after an exhale... Not that I'm likely to run my tanks dry, but the thought of a catastrophic equipment failure just after exhaling almost makes break out in a cold sweat. tick-tock-tick-tock....
When I am diving with a new buddy, I check their air at the start of the dive. I also have them let me know when they are down to 2000 psi, and when they are down to 1500 psi. Depending on the site we are diving, I'll turn the dive sooner to ensure my buddy has enough air to complete the safety stop.
I usually dive with the same buddy(s) and know their air consumption fairly well. Even then, we compare air pressures at regular intervals during the dive, to ensure we have enough to complete the safety stop.
I have dove with a new buddy on a couple of occasions where I have checked their air pressure early on in the dive, and have had to take them to the surface. Newer divers do tend to suck down an 80 cu ft tank quite quickly
Dive safe !!
Divegoose
I usually dive with the same buddy(s) and know their air consumption fairly well. Even then, we compare air pressures at regular intervals during the dive, to ensure we have enough to complete the safety stop.
I have dove with a new buddy on a couple of occasions where I have checked their air pressure early on in the dive, and have had to take them to the surface. Newer divers do tend to suck down an 80 cu ft tank quite quickly
Dive safe !!
Divegoose
My nightmare of not having air after exhaling isn't exactly rational, and you're right: it's not likely to be caused by an equipment failure. I suppose jumping in with a closed value might do it. The closest I've come in real life was confusing the order of closing values during my first underwater Boom Drill. I'm sure my eyes opened REALLY wide when I tried to breathe with the isolator and tank values closed. Fortunately re-opening the tank valve was trivial.
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