Prin Willem V video

[Dewit2it]

As a single bottle diver, the penetration is wrong.  I don't see any problems at 90' staying on the outside of the wreck or penetrating an open hold as long as there is little or no overhead or very easy to find exits.  The tight spaces they were in are a NO GO without a line or backup bottles.  At 90' with an 80 and diving NDL, you should have enough to do a swim around the boat and ascent and still have half a tank.

At 160' I doubt that those were their only bottles.