U-boat patrols

Patrol info for U-21

DepartureArrival / FateDuration
17 Dec 1939Kiel24 Dec 1939Kiel8 days


Officers *

Kptlt. Fritz Frauenheim

Oblt. Robert Bartels

Patrol description

Patrol in the North Sea off the east coast of Scotland.

Daily positions, sinkings and allied attacks during the patrol of U-21

We have daily positions for all 8 days on this patrol.

Departure from Kiel on 17 Dec 1939.
18 Dec 1939 - 19 Dec 1939 - 20 Dec 1939 - 21 Dec 1939 - 22 Dec 1939 - 23 Dec 1939 -
Arrival at Kiel on 24 Dec 1939.

Ships hit by U-21 during this patrol

Date U-boat Commander Name of ship Tons Nat. ConvoyMap
21 Dec 1939U-21Fritz Frauenheim Mars1,475swA
21 Dec 1939U-21Fritz Frauenheim Carl Henckel1,352swB

2 ships sunk (2,827 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-21 during this patrol

We have no recorded attacks on U-21 duing this patrol.

If you believe we have omitted an attack on U-21 please let us know.

See all patrols for U-21

* These are officers that later became commanders themselves.

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