IMHO, both dives should be 60 min...period. I would still have 1/3 - 1/2 tank after 40 minutes (unless I spent the whole dive > 100'). Experienced divers won't tolerate it. I wouldn't dive with an op that used those profiles.
I know of dive ops in GC whose only restrictions are: No deco, 5 min. SS and surface w/ 500 PSI.
You think that 40 minutes is reasonable???
Dave
I know of dive ops in GC whose only restrictions are: No deco, 5 min. SS and surface w/ 500 PSI.
You think that 40 minutes is reasonable???
Dave