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The DM has no military rank and certainly has no authority to issue orders.

Avatars were different back then, but yes. Can we search members in this new board format? If so, look for King Neptune.

I agree. I'd understand, but I signal it like Thal. I'd understand, but I signal it like Thal. Center of chest instead of left shoulder and tap instead of merely placing it there. I'd figure it out, but I hate to follow or to be followed. Unless we have to go single file, I...

Well, they were from California..... but seriously, I don't know, I never met them. I had lots of interaction with them both on line and on the phone. They seemed quite normal to me. I like them both.

Yes. Also, and more importantly, my insurance company will stand with me in court. That won't impress the jury after expert witnesses describe how poor those standards are. You'll be better off pointing to your agency's standards since every agency has higher standards than the RSTC.

The RDP may have been developed in the mid 80s, but it was a couple of years later that PADI adopted and started selling it. The was an ABC news segment on it (20/20 if memory serves) around 1988 or 89 (I'm fairly sure it was 89) by John Stossel.

You've obviously never read the standards of different agencies. There are huge difference from one to another.

PADI adopted the RDP in the late 80s. Prior to that they used the US Navy tables.

Dennis, I see the same thing. The page counter lies to us. You never know how many pages there are till you're near the end.

You are correct about the altitude. On the other hand, lots of divers dive there every day and don't have any issues. I'm told DAN studied that issue on Saba and says it's OK. I haven't seen the study. I did spend a week diving there and am very glad I went.

Rocket & Jets are both make from rubber. They look somewhat alike. Rockets are one of the worst fins I've ever used. Jets are the best.

Jets .

The metric unit for weight is the rarely used newton.

That's dinner. In Florida, they're always in season (you do need a license and can't take egg bearing females).

Seems to me it would be pretty difficult, if not impossible to cut fins off sharks if you didn't use your hands. I don't really know as I have never finned and discourage the practice.

While there is a slight difference between buoyany of iron and lead, it's not enough for it to be a factor in your weighting. More likely reasons for the difference would be trapped air in the BC or the diver kicking up.

You can teach anywhere with either of those or any of a host of others. You will need PADI if you want to work at a PADI 5 star facility, but other than that location isn't what I would consider to be all that an important a factor. First, dive for quite a while and see if this is something...

Of course they are the exception, but they are not rare. They also take their business to operators who are more reasonable than the ones you feel exude competence. There are still divers who are very active with lots of experience and no certification. That's a totally different topic and...

If that was your point, I certainly did miss it. Maybe you should read your previous post. Your point seemed to be that classes today are better than classes in 1967. I missed that too, please point it out to me. That is not in dispute as far as I'm aware. Unless people are...

Those are steel tanks with K valves. They probably have blow out plugs instead of burst disks, but they can be replaced with burst disks wgich are a great deal safer.