Captain Dan Danblasten by William Hope Hodgson

Known also, in a somewhat altered form, as "The Home-Coming of Captain Dan" under which title it is available in the second volume of Night Shade's collected edition of Hodgson's works:
www.amazon.com...
Read by Paul R. Potts.
Interesting detail about this tale: it "appeared in the May 1918 issue of The Red Magazine, published the same week as The Times ran Hodgson's obituary (April 19, 1918 is believed to be the date Hodgson was killed by a German shell)". (from the Baen site).