Glossary of Terms  
 

We hear and use terms related to diving and shipwreck exploration all the time. This section is devoted to listing all of the terms and thier meanings.

 
 
 
   
 
   
 
   
 
     
     

 

   
     
     
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  American Nitrox Divers Incorporated - SCUBA diving training agency  
ANDI - American Nitrox Divers Incorporated  
  Barque; barc; bark - sailing vessel with three (or more) masts, fore-and-aft sails on the aftermost mast and square sails on all other masts  
Brig - A two-masted sailing vessel, square-rigged on both masts  
  CNS - Commonwealth Naval Ship (Australia)  
CSS - Confederate States Ship; Ship of the Confederate States  
  DAN - Divers Alert Network  
DEMA - Dive Equipment and Marketing Association  
 
 
 
  HMAS - His or Her Majesty's Australian Ship  
  HMBS - His or Her Majesty's Bahamian Ship; His or Her Majesty's Bermudian Ship; His or Her Majesty's Burmese Ship  
  HMCS - His or Her Majesty's Canadian Ship; His or Her Majesty's Colonial Ship  
  HMCyS - His or Her Majesty's Ceylon Ship  
  HMIS - His or Her Majesty's Indian Ship  
  HMJS - His or Her Majesty's Jamaican Ship  
  HMNZS - His or Her Majesty's New Zealand Ship  
  HMPNGS - His or Her Majesty's Papua New Guinea Ship  
  HMPS - His or Her Majesty's Pakistan Ship  
  HMQS - His or Her Majesty's Queensland Ship  
  HMS - His or Her Majesty's Ship. In The Royal Navy (United Kingdom), it refers to the King or Queen of the United Kingdom as appropriate at the time. British government ships not in the Royal Navy have other designations. In the Royal Swedish Navy it stands for Hans or Hennes Majestäts Skepp.  
  HMSAS - His or Her Majesty's South African Ship  
  HM Submarine - His or Her Majesty's Submarine  
  HMTS - His or Her Majesty's Tuvaluan Ship  
  HMVS - His or Her Majesty's Victorian Ship  
HMY - His or Her Majesty's Yacht (only used for HMY Britannia)  
   
 
 
 
M/V; MV - Motor Vessel  
 
 
 
 
 
  Sloop - Sailing vessel with a fore-and-aft rig. It carries a single mast positioned farther forward than aft. The fore-triangle is smaller than that of a cutter.  
  SS - Steamship  
S/V; SV - Sailing Vessel  
 
USS - United States Ship  
 
 
 
 
YMCA - Young Men's Christian Association
 
YMCA SCUBA Program - SCUBA diving training agency. Oldest national SCUBA training agency in USA.
 
YSCUBA - YMCA SCUBA Program
 
 
 
 

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