4.1.1 One-man submersible atmospheric diving suits shall, where appropriate, have
sufficient buoyancy and stability to enable a properly trained person to operate it
in all sea states and conditions for which it is intended.
4.1.2 Instructions showing operating procedures shall be provided for each suit in intended
service conditions together with emergency procedures. The instructions shall take
into account the fully submerged and transient submerging and surfacing conditions
together with a full buoyancy condition. The effects of releasing any jettisonable
devices either individually or in combination shall be taken into account.