[DJL]

All, (Bob Cooper and other Cave divers??).....

In an OOA situation where you can't turn around what is the SOP for donating up/down the line??

Am I correct in the following:
* the signals remain the same (i.e. light signals)
* the reg is passed either down or up the leg to the receiver on the right hand side (another reason not to have stages there!).

Once clear of the restriction I assume that you would reorganise so that the OOA diver is leading. Would this still be performed in a silt out - i.e. the OOA diver would have to let go of the line to jump one up the queue??

Is this something that we should be practicing from time to time - even the simplest wreck penetration can result in a single file formation at points.

As an aside - whilst in Oz the cave divers there are trained to keep the reg in until the last moment so that if they do breath in they only suck on the reg and dont get a mouthfull of water. I assume that DIR disregards this for the following reasons:

* Clearer signal to buddy if reg is removed!
* Buddy should be close meaning an OOA situ will (should) never reach the point of someone gasping for a breath.
* Reg in can delay donation of air source.

OK so my brain is working too much at the moment but hey I'm 'busy' with work so cant dive during the week!!

Thanks - Dave.