Patrol info for U-9
Date lookup for 9 May 1940
| 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.
U-9's position on 9 May 1940
Ships hit by U-9 on this date
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 9 May 1940 | U-9 | Wolfgang Lüth |  | Doris (Q 135) | 552 |  | fr | A | |
| 552 | |||||||||
1 ship sunk (552 tons). Legend | |||||||||
General Events during this patrol
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Attacks on U-9 during this patrol
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* These are officers that later became commanders themselves.