U-boat patrols

Patrol info for U-9

DepartureArrival / FateDuration
5 May 1940Kiel15 May 1940Wilhelmshaven11 days


Officers *

Oblt. Wolfgang Lüth

Ltn. Franz Gramitzky

Patrol description

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. ConvoyMap
9 May 1940U-9Wolfgang Lüth Doris (Q 135)552frA
11 May 1940U-9Wolfgang Lüth Viiu1,908esB
11 May 1940U-9Wolfgang Lüth Tringa1,930brC

3 ships sunk (4,390 tons).

We have a picture of this vessel.

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.

If you believe we have omitted an attack on U-9 please let us know.

See all patrols for U-9

* These are officers that later became commanders themselves.

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