No one subject is discussed as much by rebreather divers as ‘bailout’. Opinions vary greatly, from the most optimistic, or ‘alpinist’ diver, to the most pessimistic who may opt for double redundancy. In an effort to clear the decks a bit, this article intends to outline some bailout circumstances, requirements and techniques in order to winnow our options a little. There is also not enough space to discuss gas choices, which will be the subject of
