Marine Safety Working Group (MSWG), Safety on the Water, Glossary of terms, Irish Coast Guard, Department of Transport, tourism and Sport, Shannon, Co. Clare, Ireland 2012. http://www.dttas.ie/maritime/ircg/sotw/glossary/gl ossary-of-terms, (Mrtm Sfty - Brit) {568}
Compass (The National Training Portal of The U. S. Naval Sea Cadet Corps), appendix I, Glossary, VA, USA 2012. http://compass.seacadets.org/pdf/nrtc/bmr/14325_in d.pdf, (Mrtm/Nav - Amer) {558}