Rich Keller
Contributor
I'm expecting the vintage crowd to pour in here any minute.
I talked to one guy who just recently, as in a few years ago, obtained a old copy of the "New Science of Skin & Scuba Diving" and did all the excercises they provided in the book and learned to scuba dive.
I've read the NSSSD and the training is much more complete than any open water course offered these days.
The thing is, if somebody does go that route they would need to be sure they are able to do everything fluently and not cheat. It would take a measure of self discipline.
It is entirely possible for someone to do that in certain parts of the US and be able to buy gear and get fills without ever being asked for any sort of proof of certification.
Getting on a charter boat, probably not.
I'm sure the the scuba police will be along shortly also telling everyone how dangerous and foolish doing this is even though there is absolutely no law or regulation prohibiting it...yet.
That was the book I used when I learned, very good book. I gather from what I am hearing now that old OW course is now broken down into a number of smaller courses.