Patrol info for U-9
| Departure | Arrival / Fate | Duration | ||
| 5 May 1940 | Kiel | 15 May 1940 | Wilhelmshaven | 11 days |
Commander | Officers * |
 Oblt. Wolfgang Lüth |
WO Ltn. Franz Gramitzky |
Patrol off the Belgian coast to support the German invasion of the Low Countries. On 6 May, the bow of the outbound boat was damaged in a slight collision with a Sperrbrecher when leaving the Kiel canal. U-9 was repaired in Helgoland the same day.
Daily positions, sinkings and allied attacks during the patrol of U-9
We have daily positions for all 11 days on this patrol.
Departure from Kiel on 5 May 1940.
6 May 1940 - 7 May 1940 - 8 May 1940 - 9 May 1940 - 10 May 1940 - 11 May 1940 - 12 May 1940 - 13 May 1940 - 14 May 1940 -
Arrival at Wilhelmshaven on 15 May 1940.
Ships hit by U-9 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 9 May 1940 | U-9 | Wolfgang Lüth |  | Doris (Q 135) | 552 |  | fr | A | |
| 11 May 1940 | U-9 | Wolfgang Lüth | | Viiu | 1,908 |  | es | B | |
| 11 May 1940 | U-9 | Wolfgang Lüth | | Tringa | 1,930 |  | br | C | |
| 4,390 | |||||||||
3 ships sunk (4,390 tons). Legend | |||||||||
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-9 during this patrol
We have no recorded attacks on U-9 duing this patrol.
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See all patrols for U-9
* These are officers that later became commanders themselves.