Quote: (Originally Posted by sensor330)
Say for example you are planning a cave dive with another CCR diver. The rule is you need 1.5 times the amount of bailout gas to get one diver out.
I think it is important that I should point out this is per IANTD rule/recommendation (AFAIK), and not a universal rule like 1/3 as on OC.
Not everyone is CCR cave diving with this rule like the minimum of 1/3 as on OC.