Hi, Brian,An extensive discussion on escape from 200 feet began 8/24/2010 and ran for several days. Lots of different factors and considerations were covered in that thread.Good luck,JimIn a message dated 3/15/2012 11:08:58 P.M. Central Daylight Time, ojaivalleybeefarm@dslextreme.com writes:Hi All,I know this has been covered but what would be the max bail out for a sub? 200 feet? would you make it to the surface if you had a small pony bottle and a wet suit?Brian