During your Open Water course you are conditioned to dive with a buddy, and a part of the training is doing a buddy check. There are many benefits to a buddy check, but a quick once over of your buddy who does the same to you is not enough. A decent buddy check covering all of the elements of BWARF ensures you and your buddy are ready, have air, have no dangly bits and have all the required items (a mask is not part of a check but try and dive without one and see how little you see).
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You both have octos. It’s important to test yours, but equally important is that you test your buddy’s – after all there is a good chance it’s you that will need it in an emergency. Equally important is that you know where everything is on your buddy’s gear. It is unlikely that everyone knows just how to ditch their buddy’s weights if they have an integrated weight system.
Often you will be allocated a buddy on the boat, on the way to the dive site, and you have no idea what kind of gear they are using or even what it looks like. Try and make sure you buddy is next to you on the boat. Once in the water find them on the surface first, and descend together; looking for a total stranger at depth can be a little difficult.
Agree beforehand what the plan is when the first one of you reach the stipulated low on air pressure. Decide who is going to lead, discuss who will navigate, what your dive time will be, your dive profile and so on.
Few people realise just how enjoyable diving is when you have the same buddy dive after dive. Clare and I have done close to 100 dives together and we are so set in our ways that we know exactly what the other is thinking , planning and how each of us will react in a given set of circumstances. For example, when we found a horsefish at Long Beach, I displayed an animated action of a horse being ridden. Clare understood what I was doing but the other six divers in our group thought I was a lunatic.
Know your buddy, plan your dive and dive your plan.