|Aal||Nickname for torpedo (eel).|
|Agru-Front||(Ausbildungsgruppe für Front-U-Boote). Active service training unit for U-boat crew|
|AK||Äusserste Kraft (voraus).|
Command for "full speed".
|Alarm||Emergency dive order on a U-boat.|
|Alberich||Rubber coating to protect U-boats from ASDIC. First used on U-67 in 1941.|
|Aphrodite||(FuMT 30) Radar decoy device.|
|As||Famous U-boat commander (Ace).|
|Asto||(Admiralstabsoffizier). Staff officer at BdU. From Nov 1941 to May 1945 the 1. Asto/BdU was Fregkpt. Hessler (former Com. U-107).|
|Athos||(FuMB 35) An advanced radar detection device.|
|Atlantiksender||KM nickname for Deutsche Kurzwellensender Atlantik, a bogus Wehrmacht radio station targetted at U-boat crews and used by British Naval Intelligence to disseminate 'black' (active) propaganda from 1943.|
|Ato||Atmosphärisch getriebener Torpedo (also A-Torpedo)|
A compressed-air-driven torpedo.
|Aussteigen||Evacuation of the U-boat in an emergency.|
|B-Dienst||(Beobachtungsdienst). Radio transmission monitoring service.|
A man-carrying autogyro kite used on Type IXD U-boats to increase visual range.
Bachstelze is the German name for a river bird, Motacilla alba alba, "White Wagtail" in English.
|Bali I||Schnorkel-mounted FuMB 29 radar detector antenna.|
|Baubelehrung||U-boat construction familiarisation. The crew were posted to a new U-boat during construction for this purpose.|
|BdU||Befehlshaber der Unterseeboote|
Commander-in-Chief of U-boats, Karl Dönitz from 19 September, 1939.
|Berlin||(FuMO 84) An advanced radar detection device.|
|Betasom||Italian submarine command based at Bordeaux.|
|Biber||One man midget submarine. (beaver).|
|Biene||Nickname for aircraft (bee).|
|Biskaya-Kreuz||(FuMB 1) Nickname for the first radar detection device (Biscay Cross), see also Metox.|
|Blechkoller||A form of nervous tension that could be caused by depth charge attacks which resulted in violence or hysteria. ("tin fright").|
|Bold||An Asdic/Sonar deception device consisting of a canister which produced a mass of bubbles of the same size as a U-boat. (from "kobold" a mythical troll that helps seamen),|
|Borkum||(FuMB 10) A radar detection device. (East Frisian island).|
Gross register ton (also as GRT).
|Bugraum||Compartment in the bows of the U-boat used for ratings accommodation (Bow room).|
|Bundesmarine||The German Navy from 1848 - 1852 and again after 1956.|
|Cypern||(FuMB 9) A radar detection device. See also "Wanze" W-ANZ G 2 (Cyprus).|
|Delphin||Midget submarine (dolphin)|
|Dreisternemeldung||(Verlustmeldung) Casualty report.|
|E-Mixer||Nickname for electrical engineering rating.|
|Einbaum||Nickname for the type II U-boat.(dugout canoe)|
|Eisernes Kreuz||Iron Cross.|
|Elektroboot||Type XXI and XXIII U-boat.|
|Enigma||The Wehrmacht cipher machine.|
Recognition signal given by flags, signal lamp or signal pistol (the latter was usual for U-boats).
|Etmal||The distance a U-boat travelled in 24 hours (from noon to noon).|
Electrically propelled torpedo.
|Fächer||The simultaneous launch of two or more torpedoes. (Fan shot)|
|Fähnrich z. See||Officer Cadet|
|Falke||Acoustic homing torpedo T 4. (Falcon).|
|Fangschuß||Final torpedo which sinks the vessel. ("final shot" coup de grâce).|
A torpedo that was capable of running in pre-programmed patterns and loops.
|FdU||Führer der Unterseeboote|
Commander of U-boats.
|Feger||Nickname for destroyer. (sweeper).|
|Feindfahrt||Active service patrol. (enemy patrol)|
|Flak||(From FLieger-Abwehr-Kanone) Anti-Aircraft gun, anti-aircraft fire.|
|Fliebo||(From Fliegerbombe) Aircraft bomb.|
|Fliege||(FuMB 24) A radar detector. (fly).|
|Frontboot||U-boat which had finished all training courses and was part of an active service flotilla.|
|G 7a||Geradlaufapparat 7 (meters length) a (atmosphärisch)|
A compressed air propelled torpedo.
|G 7e||Geradlaufapparat 7(meters length) e (elektrisch)|
Electrically propelled torpedo.
|Geheim||Secret (used for documents etc).|
|GeKDos||(Geheime Kommandosache) Top Secret.|
|Geleitzug||(also Geleit) Convoy.|
Hydrophone underwater sound detector.
|Goldbutt||(also Goldfisch) Codename for the torpedo G 5ut. Intended for the Walther U-boats.|
|Goliath||Codename for the Kriegsmarine long wave radio station at Kalbe near Magdeburg. Used by BdU to maintain contact with long range U-boats. (17 pylons between 170 and 200m high). This station's signals could be received at a depth of 25m (82ft)|
|Hagenuk||(FuMB 9) A radar dedector (see also Wanze) (Acronym for Hanseatic apparatus company Neufeldt and Kuhnke|
|Halsschmerzen||"Knights Cross fever". (sore or "itching" throat).|
|Hartmut||Codename for German U-boat operations during the invasion of Norway.|
|Hecht||Midget submarine (pike).|
|Heizer||Stoker (engine room rating).|
|Hohentwiel||(FuMo 61 and 65). A radar device.|
|Horchraum||Sound detection room.|
|I WO||Erster Wachoffizier|
First Watch Officer.
|II LI||Zweiter Ingenieur|
Second Engineering Officer.
|II WO||Zweiter Wachoffizier|
Second Watch Officer.
|III WO||Dritter Wach-Offizier|
Third Watch Officer (as a rule the "Obersteuermann").
|Kaiserliche Marine||The German Navy between 1871 - 1919.|
|Kaleu||(also Kaleun or Kaleunt). Abbreviation for "Kapitänleutnant"|
(also Kaleun or Kaleunt).
|Kaptlt.||Kapitänleutnant (also Kl, KL, Kptlt.)|
|Kimm||The visual horizon.|
|Klappbuchse||Nickname for signal lamp (Aldis), also "Varta-Lampe".|
|Kolcher||Nickname for small ship.|
|Kolibri||The U-boat crews favourite cologne.|
|Kommandanten-schiesslehrgang||U-boat commanding officer course, equivalent to RN "Perisher" (Periscope School) or USN PCO (Prospective Commanding Officers) Course.|
|Kommissbrot||Hard black Kriegsmarine issue bread.|
|Konfirmant||Nickname for prospective U-boat commander on instructional patrol. (confirmand).|
|Koralle||The Codename for Admiral Doenitz HQ located near Berlin December 1943 - August 1945.|
Commander (also KK).
|Kriegsmarine||The German Navy between 1935 - 1945.|
|Kriegstagebuch||(KTB) Log Book (War diary).|
Log Book. (war diary).
|Kurzsignal||A very short radio signal.|
Chief Engineering Officer.
|Ltnt. z. S.||Leutnant zur See|
Lieutenant (also L, Ltn. or Lt.).
|Luftwaffe||German Air Force 1935 - 1945.|
A torpedo that could be preset to steer itself on a particular bearing.
|Mücke||(FuMB 25) A radar detector. (Gnat)|
|Mülltonnen||Nickname for (depth charges) often used by seamen. (garbage cans).|
|Mündungsklappen||Torpedo tube bow caps.|
|Mahalla||Nickname for convoys.|
|Malings||U-boat conning tower emblems. (pictures, as in cartoons or "funny pictures"|
|Marder||One man midget submarine based on torpedo (see Midget U-boats).|
|Metox||A radar detection device (FuMB 1). (French manufacturer).|
|Milchkuh||A nickname for the type XIV supply U-boat. (milch cow).|
|Mixer||Nickname for the torpedo-mechanics.|
German naval radio intelligence service.
|Monsunboote||U-boats that operated in the Far East and the Indian Ocean.|
|Naxos||(FuMB 28). An advanced radar detection device.|
|Neger||One man semi-submersible craft based on a torpedo. (See Midget U-boats).|
|Nibelung||An advanced sonar device on Type XXI U-boats (also called S-Anlage).|
|ObdM||Oberbefehlshaber der Marine|
Commander-in-Chief of the Navy.
|Oblt. z. S.||Oberleutnant zur See|
Lieutenant (also OL, Oblnt. z. S.).
|OKM||Oberkommando der Marine|
Naval High Command, equivalent of British Admiralty.
|OKW||Oberkommando der Wehrmacht|
High Command of the Armed Forces.
|Papenberg||Depth meter for fine trimming, named after its inventor (a WWI U-boat engineer).|
|Pastorius||Codename for an espionage mission in which U-202 and U-548 put ashore eight agents on the US east coast in June 1942.|
|Paukenschlag||Operation Drumbeat against allied shipping in US and Caribbean waters during the first half of 1942.|
|Peter||Codename for a mine-laying operation by U-589 in the Arctic Sea in August 1942.|
|Pillenwerfer||Ejector system for launching Bold anti-sonar device. (pill thrower).|
|Reichsmarine||The German Navy between 1919 - 1935.|
|Ritterkreuz||Knight's Cross (of the Iron Cross).|
|Rohr||(also Torpedorohr) Torpedo tube.|
|Rosengarten||Nickname for the Allied minefield west of Norway between Iceland and Scotland. (The suggestion being that it's prickly to get through, and the roses can bloom (explode) at any time).|
|Samos||(FuMB 4). An early radar detection device. (Greek island)|
|Schlüssel M||German Navy cypher code.|
|Schlicktown||Nickname for Wilhelmshaven. (sludge town).|
|Seehund||Midget submarine with two-man crew.|
|Seekuh||Nickname for large Type IX U-boats (Sea Cow).|
|Seerohr||Periscope. (sea pipe)|
|Seetakt||(FuMO 29). An early radar device.|
German Supreme Naval Command.
|Soldatensender Calais||British radio station used for passive (accurate news) propaganda targetted at the U-boat force.|
|Sonderführer||Special officer. Specialists or technical experts given officer status without officer training. Lothar-Günther Buchheim, author of "Das Boot", was made a Sonderführer-Leutnant as a war correspondent.|
|Spargel||Nickname for the periscope (asparagus).|
|Spiegelei||Nickname for the Deutsches Kreuz in Gold (fried egg).|
|T 5||Codename for the acoustic torpedo (homing weapon).|
|Tauchretter||Escape apparatus (life jacket with respirator), equivalent of British DESA or US Momsen Lung.|
|Tauchtanks||U-boat saddle tanks, used when submerging.|
Torpedo proving section.
|Tunis||(FuMB 26). An advanced radar detection device. (North African city)|
Experimental torpedo section
|U-Boot Päckchen||Nickname for two-piece leather work clothing .|
|U-Boot-Frontspange||U-boat decoration awarded from 1944.|
|U-Bootkriegsabzeichen||U-boat decoration usually awarded after two patrols.|
|UA||U-boat built for Turkey between 1938-1939 as Batiray, but taken into German service as UA 21 Sept, 1939.|
Section responsible for training U-boat crew.
Unit which took over and commissioned newly constructed U-boats from the shipyards.
|UB||The former British submarine HMS Seal. Commissioned into the Kriegsmarine as UB.|
|UC||Former Norwegian submarines.|
|UD||Former Dutch submarines.|
|UF||Former French submarines.|
|UIT||Former Italian submarines.|
German submarine chasers, often converted trawlers.
U-boats training division.
Device for communicating with U-boats or surface vessels while submerged.(underwater telephone).
U-boat target optic (aiming binoculars).
|Valentin||U-boat bunker near Bremen, Germany.|
|Vorhalterechner||Electro-mechanical deflection calculator; generated attack coordinates for the torpedoes.|
|Wabos||Abbreviation of Wasserbomben (depth charges).|
|Wanze||(FuMB 9 - more correctly W-Anz [Wellenanzeiger] A radar detection device. (bedbug).|
|Werftgrandi||Nickname for shipyard-workers.|
|Wintergarten||Nickname for U-boat's anti-aircraft platform. See U-boat Flak.|
|Zaunkönig||Nickname for acoustic torpedo T 5. (Wren).|
|Zentrale||U-boat control room.|
180 entries located