Originator Code,Platform Name
316g,Delaware II
316O,OREGON II
31a4,Albatross IV
31aj,Abel-J
31AM,Argo Maine
31CH,Chapman
31EL,Edwin Link
31EN,Endeavor
31GM,Gloria Michele
31H5,USS HARTLEY
31is,Isabel S
31KT,Katahdin
31NP,Nordic Pride
31NS,Nobska
31OC,Oceanus
31ot,Oregon II
31pe,Pelican
31PH,Phocoena
31RE,USNS Relentless
31SJ,Seward Johnson
31UN,Unknown platform
33H5,Hugh R. Sharp
33HH,Henry B. Bigelow

#Note: The code 31H5 may not be for the platform stated above (USS HARTLEY),
but for the Hugh R. Sharp.  However, this is not confirmed.