Abstract
Egress capability with the British Mark VII Submarine Escape Immersion Suit (SEIS) and the Steinke Hood was evaluated for one-, two-, and three-man teams from side-, tube-, and top-egress escape trunks. Top egress was considerably more rapid than either tube or side egress; tube egress was superior to side egress. Egress time increased linearly as a function of team size for both escape appliances. For tube and side egress, escape with the Steinke Hood was more rapid than with the SEIS; the SEIS was superior for top egress. Escape position of a subject within a team had no effect on egress time. When compared to side and tube egress, top egress results in a substantial reduction of total bottom time.
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