I'm not sure entirely what you're asking about so here's some general information;
KM SS Dive Times;
SS1; 107s
SS2; 126s
SS3; 149s
SS4; 186s
SS5; 209s
Air refill time is based entirely on the ability of the planesman and not individual SS. Total air time is based entirely on the SS and is not influenced by the planesman. Air refill time starts at 270 seconds and is reduced by 1 second for every 50k ability on the planesman.