The following is a series of tests that I REQUESTED from my certification instruction because he claims that he had to do it when he was certified in the british navy, years ago. We were drinking beers the night before I took my final OW cert tests and I told him that I wanted to give it a shot. I'm told that these tests are NOT required and are actually banned from the certification process. I nevertheless did them anyways, just to see if I could.
(1) Take off all gear at 18m, toss it away. Breath off of DM's second and in one breath (exhaling of course the whole time), swim about 10m, grab the gear and put it all on again.
(2) Sit with all gear in my arms, except 20lb weight belt (which I'm wearing) at the back of the boat. At about 10 knots, get pushed overboard into the wake. Put on all gear before sinking.
(3) Snorkle at half mile (with full gear on) to shore using nothing but compass with heavy current at night. This is harder than it seems
There were a couple of other things I did....but its been a while. I don't recommend most of these unless you like to test yourself physically. Also, do NOT get angry at my DM...he did not pressure me to do these things in any way.
EC