I have not personally, but I have seen people do it before. I also remember BWRAF.
B- BCD, make sure it is snug and I usually hit the inflator and check my tank is secured.
W- Weights, make sure my weights are in and zipped up
R- Releases, make sure all releases are secure and working properly
A- Air, make sure the air is on and I take a few breathes from my reg
F- Final check, make sure all hoses, and gear is secure and make sure my suit is zipped and I have my mask, fins, and snorkel secured and jump in.