| Naval Vessels |
| ACM |
Auxiliary Minelayer |
| AFD |
Mobile Floating Crane |
| AG |
Miscellaneous Auxiliary |
| AGB |
Icebreaker |
| AGP |
Patrol Craft Tender |
| AGS |
Surveying Ship |
| AK |
Cargo Ship |
| AM |
Minesweeper |
| AO |
Tanker (Oiler) |
| AP |
Transport |
| ARS |
Salvage Ship |
| AS |
Submarine Tender |
| AT |
Tug |
| BB |
Battleship |
| CL |
Light Cruiser |
| CM |
Minelayer |
| DD |
Destroyer |
| DL |
Destroyer Leader |
| IX |
Unclassified, miscellaneous |
| SS |
Submarine |
| YB |
District Barge |
| YY |
District Motor Boat (General Purpose) |
|
| Patrol Craft and Coastal Forces |
| PA |
Motor Antisubmarine Vessel |
| PAC |
Auxiliary Antisubmarine Trawler |
| PAM |
Auxiliary Minesweeper |
| PC |
Patrol Craft / Corvette |
| PCM |
Patrol Craft / Minesweeper |
| PE |
Patrol Escort - drifters, trawlers, cutters |
| PF |
Frigate |
| PG |
Gun Boat |
| PGA |
Armored Gun Boat |
| PLC |
Landing Craft |
| PLAA |
Antiaircraft Landing Craft |
| PML |
Motor Launch / Motor Boat |
| PMS |
Motor Mine Sweeper |
| PS |
Patrol Sloop |
| PSC |
Patrol Boat, Submarine Chaser |
| PT |
Motor Torpedo Boat |
| PTC |
Motor Torpedo Boat, Submarine Chaser |
| PY |
Small Converted Yacht |
| PYc |
Converted Coastal Yacht |
|
| River Craft |
| RAA |
River Antiaircraft Floating Battery |
| RB |
River Base Ship |
| RD |
River Depot Ship |
| RFB |
River Floating Battery |
| RG |
River Gunboat |
| RGA |
River Gunboat - Armored |
| RGAA |
River Antiaircraft MG Gunboat |
| RH |
River Hospital Vessel |
| RHQ |
River Staff - Command Vessel |
| RK |
River Cargo Ship |
| RM |
River Monitor - Armored Patrolboat |
| RMB |
River Fast Motorboat |
| RMG |
River Motor Gunboat |
| RML |
River Minelayer |
| RMM |
River Motor Missile Boat |
| RMMS |
River Motor Mine Sweeper |
| RMS |
River Minesweeper |
| RN |
River Net Layer |
| RP |
River Transport |
| RPC |
River Patrol Craft |
| RT |
River Tug Boat |
| RW |
River Floating Workshop |
| RY |
River Yacht |
| RX |
Miscellaneous River Vessel |
|
| Misc. Abbreviations |
| (F) |
Flagship |
| G |
gun |
| H |
howitzer |
|
