| ARA | Armada de la Republica Argentina | Armada Argentina | Argentina |
| ARC | Armada de la Republica Colombia | Armada Nacional | Colombia |
| ARV | Armada Republica Venezolana | Venezuelan Navy | Venezuela |
| BAE | Buque de la Armada de Ecuador | Ecuadorian Navy | Ecuador |
| BAP | Buque Armada Peruana
(Navire de l’Armada du Pérou) | Peruvian Navy | Peru |
| BNS | Bangladesh Naval Ship | Bangladesh Navy | Bangladesh |
| BNS | Belgium Naval Ship * | Belgian Navy | Belgium |
| BRP | Barka ng Republika ng Pilipinas | Philippines Navy | Philippines |
| CCGC | Canadian Coast Guard Cutter
(Vedette des garde-côtes canadiens) | Canadian Coast Guard | Canada |
| CCGS | Canadian Coast Guard Ship | Canadian Coast Guard | Canada |
| CSS | Confederate States Ship | Confederate States Navy | American Confederate States |
| DSV | Deep Submergence Vessel | | International |
| FGS | Federal German Ship * | German Navy | Germany |
| FS | French Ship * | French Navy | France |
| FV | Fishing Vessel | | International |
| GDFS | Guyanan Defense Forces Ship | Guyana Defence Force | Guyana |
| HBMS | His/Her Britannic Majesty’s Ship | Royal Navy | United Kingdom |
HDMS
(en danois : KDM) | His/Her Danish Majesty’s Ship | Royal Danish Navy | Danemark |
| HMAS | His/Her Majesty’s Australian Ship | Royal Australian Navy | Australia |
| HMAV | His/Her Majesty’s Armed Vessel | Royal Navy | United Kingdom |
| HMBS | His/Her Majesty’s Bahamian Ship | Bahamian Defense Force | Bahamas |
| HMCS | His/Her Majesty’s Canadian Ship | Canadian Maritime Command | English Canada |
| HMHS | His/Her Majesty’s Hospital Ship | Royal Navy | United Kingdom |
| HMIS | His/Her Majesty’s Indian Ship | Royal Indian Navy | India (under the British Empire) |
| HMNZS | His/Her Majesty’s New Zealand Ship | Royal New Zealand Navy | New Zealand |
| HMPNGS | His/Her Majesty’s Papua New Guinea Ship | Papuan Navy | Papua-New-Guinea |
| HMS | His/Her Majesty’s Ship | Saudi Navy | Saudi Arabia |
| HMS | His/Her Majesty’s Ship | Royal Swedish Navy | Sweden |
| HMS | His/Her Majesty’s Ship/Submarine | Royal Navy | United Kingdom |
| HMT | His/Her Majesty’s Troopship | Royal Navy | United Kingdom |
| HMT | His/Her Majesty’s Tug
(Remorqueur de Sa Majesté) | Royal Navy | United Kingdom |
| HMY | His/Her Majesty’s Yacht | Royal Navy | United Kingdom |
HNLMS
(néerlandais : Hr.Ms. ou Zr.Ms.) | His/Her Netherlands Majesty’s Ship | Royal Netherlands Navy | Netherlands |
HNoMS
(norvégien : KNM) | His Norwegian Majesty’s Ship
(norvégien : Kongelige Norske Marine) | Royal Norwegian Navy | Norway |
| HS | Hellenic Ship * | Greek Navy | Greece |
| HTMS | His Thai Majesty’s Ship | Royal Thai Navy | Thailande |
| INS | Indian Naval Ship | Indian Navy | India |
| INS | Israeli Naval Ship | Israeli Navy | Israel |
| JDS | JMSDF Defense Ship | Japanese Army | Japan (after 1945) |
| KD | Kapal Di-Raja | Royal Malaysian Navy | Malaysia |
| KNS | Kenyan Naval Ship | Kenyan Navy | Kenya |
| KV | Kystvakt | Norwegian Coast Guard | Norway |
| LE | Long Éireannach | Irish Naval Service | Ireland |
| MBS | His/Her Majesty’s Barbadian Ship | Barbadian Defence Force | Barbados |
| MS | Motor Ship | | International |
| MSY | Motor Sailing Yacht | | International |
| MT | Motor Tanker | | International |
| MV | Motor Vessel | | International |
| MY | Motor Yacht | | International |
| NCSM | Navire canadien de Sa Majesté | Canadian Maritime Command | French Canada |
| NMM | Nave Marina Militare | Marina Militare | Italie |
| NNS | Nigerian Naval Ship | Marine nigérienne | Nigeria |
| NRP | Navio da República Portuguesa | Marine portugaise | Portugal |
| NS | Nuclear Ship | | International |
| ORP | Okret Rzeczypospolitej Polskiej | Marine polonaise | Pologne |
| PNS | Pakistani Naval Ship | Marine pakistanaise | Pakistan |
| PS | Paddle Steamer | | International |
| RFA | Royal Fleet Auxiliary | Marine auxiliaire | United Kingdom |
| RFNS | Republic of Fiji Naval Ship | Marine des Fidji | Fidji |
| RMS | Royal Mail Steamer | Navire postal | United Kingdom |
| RN | Regia Nave | Regia Marina | Royaume d’Italie |
| ROU | Republica del Oriental Uruguay | Marine uruguayenne | Uruguay |
| RRS | Royal Research Ship | Marine de recherche | United Kingdom |
| RV | Research Vessel | | International |
| SAS | South African Ship | Marine sud-africaine | Afrique du Sud |
| SLNS | Sri Lanka Naval Ship | Marine du Sri Lanka | Sri Lanka |
| SMS | Seiner Majestät Schiff | Kaiserliche Marine | Empire allemand |
| SM U-## | Seiner Majestät Unterseeboot | Kaiserliche Marine | Empire allemand |
| SNV | Sultanate Naval Vessel | Marine d’Oman | Oman |
| SPS | Spanish Naval Ship | Armada Espanola | Espagne |
| SS | Steam Ship | | International |
| STS | Sail Training Ship | | International |
| SV | Sailing Vessel | | International |
| SY | Sailing Yacht | | International |
| TCG | Türkiye Cumhuriyeti Gemisi | Marine turque | Turquie |
| TS | Turbine Steamer | | International |
| TT | Tender To (+ nom du navire)
(Annexe de) | | International |
| TTS | Trinidad and Tobago Ship | Marine trinidadienne | Trinité-et-Tobago |
| USAV | United States Army Vessel | Armée des États-Unis | États-Unis |
| USCGC | United States Coast Guard Cutter | Garde-côtes des États-Unis | États-Unis |
| USF | United States Frigate | Marine des États-Unis | États-Unis |
| USFS | United States Flagship | Marine des États-Unis | États-Unis |
| USNS | United States Naval Ship | Commandement du transport maritime militaire de la Marine des États-Unis | États-Unis |
| USS | United States Ship | Marine des États-Unis | États-Unis |
