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What is your preferred gas planning in that situation? I've not found a great resource for gas planning differences for straight recreation open water diving.

Thanks to those that answered my questions! I'm not a cave diver and will never go into overhead environments, no matter how much training I have, that's just not something I am going to do. But I still like to understand so I can have a coherent discussion with others about the differences :)...

I've got a trip with my LDS that I've been planning for nearly a year. Unfortunately, I broke my dominant hand in two places, a week before leaving :( Obviously, I'm not going to be diving anymore, but I did convince my hand ortho to give me a splint instead of a cast so I can snorkel and...

My understanding on this, and I am a novice and not a cave diver, just always seeking to understand: the rule of thirds is not always conservative enough, and a rule of fourths might be better? I don't fully understand the path since I'm not a cave diver, that part was confusing. They turned to...

You misunderstand what I was saying. I was not saying that bolting was taught. I said "bolting to the surface is almost never the answer" and then said that the previous statement (bolting to the surface is almost never the answer) is taught in class.

Exactly. This is why I will never be a tech diver. I like the reassurance that the surface is always available. I was taught controlled surface ascent if you had air issues. Perhaps it's over-conservative, but if I have a major equipment issue underwater, my plan is to safely ascend in a...

Yes, because that's what the hubs do - they regulate the power more and keep it to a lower level, which lowers the chance of shorting and overheating. Realistically, there will be some cameras needing charged after a night dive, but the dive lights do not need to be charged during the night -...

Definitely not an issue. While the water is chilly, it's not freezing. Overheating is something that causes the fires with those batteries, so that would be a concern. That's why though it is important to think of safety changes, they have to be thought through, because the fixes can cause...

I think it is more for when they are unattended/at night and people are not sitting in the salon.

I forgot to quote the post that mentioned freezing as being problematic for sprinkler systems - not in CA it isn't. If the temp is below 32 f/0f, something is going horribly wrong and I honestly doubt people would be diving. I love this solution, simple, elegant, cheap, and easy to implement...

Technically, they would only need to interview one crew member to know the others were asleep: The one who initially responded to the sound/fire. If he had to go wake up other crew members in their berths, that would mean they were not roving or awake.

Boats this age didn't need to have interconnected fire alarms. In hindsight it might be a fault to be fixed. There is always going to be a criminal investigation when there are so many deaths. As someone else said, you can't turn back time to collect evidence if the assumption is that there...

Please don't misunderstand that I'm indicting the boat. I'm saying for everyone, passengers, operators and regulators, what we thought was sufficient has been shown to not be, and it doesn't matter how many times we were blissfully unaware of the dangers, now we know, now we should look at ways...

The boat dives I've done does provide a modicum of assistance to the divers as well. Not huge amounts, but hands getting out of water/taking fins etc.

Coast guard rep on press conference said she spoke to the person who received the mayday call. She confirmed he was trying to ask questions, not that he was responding to information given to him.

Another thought, even if the batteries weren't the source of the fire, once they are superheated by fire, they could then provide a lot of fuel.

As many people have said, this is a logical fallacy. Drunk drivers likely drive intoxicated a lot before killing someone. They think they are safer because they've never had an accident (proof they are safe) of course, we know that isn't true. Many synthetics do not burn easily. They melt...

If anyone would like to read an example of an ntsb report, here's one: https://ntsb.gov/investigations/AccidentReports/Reports/AAR9108.pdf My cousin died on that flight, and when I started doing a lot of medevac flying, I got curious and read it. Incredibly thorough. If the ntsb is looking...

I hope it was painless and fast and their families are able to find peace. Such a tragedy.

Do I understand correctly that the pathways from the hatch above the bunks also goes through the galley? Or did I misunderstand? Egress is always a concern for enclosed spaces like this. Airplanes actually evacuate fairly well - there have been enough examples to prove that. My biggest...