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I assembled a large tank fleet while organizing shore dives to remote areas for family and friends. Though I'm still diving, I no longer organize group dives of this nature and am ready to thin out my tank fleet. I've had these 5-10 years having accumulated them from various sources. These...

LotNominal sizeMakerNeck threadValveHydroAsking ALP72NorrisStandard (1" NPSM)Genuine Thermo DIN/K8-22 (no +)$150 BHP120Worthington1"Dive Rite 300 Bar Modular10-21$350 CLP72Norris1"Genuine Thermo DIN/K5-22+$200 EHP120PST7/8"Thermo 300 bar with Vindicator **6-21$300 FHP120PST7'8"Thermo...

This is not true as stated. I have seen kayaks show up on my radar. Modern radar is extraordinarily good. Much depends upon conditions, in 5 foot seas and light rain the dinghy will not show up. The international rules for prevention of collisions at sea (COLREGS) require display of red over...

Do not dive in the ocean if you don't carry an SMB. I asked to practice SMB deployment as a student during my open water certification dives, and we did. I believe it should be seen as a core skill.

Your choices are: 1) on your back, i.e. with a backplate 2) by main force, on stairs generally one step at a time with you pulling them up and resting after each step, 3) wheels, either a cart or a two-wheeled dolly. If you're going to dive a twinset you have to be able to lift it unless you're...

Epilogue Fantasea Divers, the dive shop that organized this dive, has now closed. It is unclear whether the aftermath of the accident had any role in the closure. They were a PADI shop. I have been unable to determine whether PADI took any action regarding the accident. There has never been...

This is one of my lessons learned from the dive. 17# does not leave much margin for error or reserve buoyancy and I may move away from using it. I was diving 100 cf tanks and wearing a 3mm wetsuit. I had it dialed in about right -- the wing was nearly empty for the safety stop, though not so...

I have one of these attached to the bottom of my backplate with book screws.

Yes. The mechanical device has moving parts that wear, so its lifetime is inherently limited. The electronic device ought to be able to go forever. It's not like it has vacuum tubes or something. I still need a depth gauge then. Hard to find one that I like. Most of the analog ones are...

A few weeks ago I was in Key Largo. It was windy. A couple of days of diving were blown out completely with the op calling to cancel. Showed up bright and early for a morning dive on the last diving day of my trip. The op was one of the SB favorites, the kind of place that gives you whatever...

Rechargeable batteries usually have a shorter life than the devices they power. It is rare for them to last 10 years. Even if rechargeable, I want to be able to replace it. My regs were all built in the 1970s.

When I started diving, roughly 8 years ago, I bought an Oceanic Geo 2.0, and thought it would be, "good enough," until the industry got its act together and came out with a better computer at a reasonable price. The Geo shows depth and time to NDL and supports nitrox, so in that sense, it is...

I do, and it doesn't.

That applies to inspected passenger vessels, specifically, vessels carrying more than six passengers for hire that are under 100 tons. See §175.110.

I carry a grappling hook sold as a canoe anchor for that. It's useless for canoes but works OK for a dive flag or smb.

I do go out on shore dives with friends, family, and sometimes people I don't know especially well. I've had people diving from my boats but only family at this point. I don't take people's money. I think the broader question is what sort of a host, diver, and captain do you want to be for...

Help me out here. I have been unable to find any place in the CFRs where there is a requirement for a first aid kit for recreational vessels, or for uninspected commercial vessels other than fishing vessels. I carry one anyway. I even carry one on my little 12' aluminum boat.