| Abbreviations | |
| Abbreviations | Description |
| Ammo | Ammunition |
| AVGAS | Aviation Gasoline |
| (F) | Flagship |
| (FF) | Flagship of superior command |
| SF | Siebel ferry (Siebel-Fähre) |
| Hull Codes | |||
| Hull Codes | Description | German Term | German Hull Letter |
| AG | Miscellaneous Auxiliary | – | – |
| AGB | Icebreaker | Eisbrecher | – |
| AGM | Tender for Minesweepers | Räumbootbegleitschiff | – |
| AGP | Tender for Fast Attack Boats (Motor Torpedo Boats) | Schnellbootbegleitschiff | – |
| AM | Minesweeper | Minensuchboot | M |
| AMA | Auxiliary Minesweeper | Minensuchboot | M |
| AMM | Small Minesweeper | Minenräumboot | R |
| AMS | Mine Clearer | Sperrbrecher | – |
| AO | Tanker | Tanker | – |
| AP | Transport / Steamship | Transporter / Dampfer | – |
| AS | Submarine Tender | U-Boot-Begleitschiff
also U-Boot-Mutterschiff and U-Boot-Depotschiff |
– |
| AT | Tug | Schlepper | – |
| BB | Battleship | Schlachtschiff / Linienschiff | – |
| BC | Battle Cruiser (Pocket Battleship) / Heavy Cruiser [1] | Panzerschiff | – |
| CA | Heavy Cruiser | schwere Kreuzer | – |
| CL | Light Cruiser | leichte Kreuzer | – |
| DD | Destroyer | Zerstörer | Z |
| DE | Torpedo Boat (Small Destroyer) | Torpedoboot | T |
| LC(A) | Landing Craft (Artillery) | Artilleriefährprahm | AF (also: AT, KF) |
| IX | Miscellaneous | – | – |
| PC | Submarine Chaser | U-Bootjäger | UJ [2] |
| PF | Frigate | Flottenbegleiter | F |
| PT | Fast Attack Boat (E-Boat, Motor Torpedo Boat) | Schnellboot (S-Boot) | S |
| SS | Submarine | U-Boot | U |
| YG | Local Harbor Guard Vessel (Armed Trawler) | Hafenschutzboot | [3] |
| YP | Local Patrol Vessel (Armed Trawler) | Vorpostenboot | V |
| YMS | Local Minesweeper (Armed Trawler) | Minenräumboot | M |
| YSG | Local Smoke Generator (Armed Trawler) | Nebelträger | [4] |
| YSC | Local Submarine Chaser (Armed Trawler) | U-Boot-Jäger | UJ |
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[1] The Panzerschiffe were reclassified as Heavy Cruisers (CA) in 1940.
[2] Some designated as KFK (Kriegsfischkutter = standard war-time trawler). [3] These vessels use a varying code, with letter(s) at the front, followed by numbers: [Ax] First letter, type of vessel only in Germany (H: Hafenschutzboot; Hs: Handelsschutzboot, etc.) [AAx] First letter, location (D: Germany, F: France, N: Norway, H: Holland, etc.) [AAx] Second letter, place (DB: Borkum, Germany; FGi: Gironde, France; GM: Macedonia, Greece; etc.) [AAx] ID number in that specific place starting from 1 upwards. [4] These vessels also use a varying code with a letter at the front, followed by numbers, and again by letter(s): [AxA] First letter (location), number (ID), and letter (place). |
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