| 07-09.10.1939:   | 
Raid to intercept Britain - Scandinavia trade together with battleship Gneisenau
, CL Köln
 and destroyers Friedrich Ihn
, Diether von Roeder
,  Karl Galster
, Max Schulz
,  Paul Jakobi
,  Bernd von Arnim
,  Erich Steinbrinck
 and Friedrich Eckoldt
. No results. 
 | 
 
| 17-18.10.1939:   | 
Mine laying operations together with the destroyers Karl Galster
, Friedrich Eckold
, Diether von Roeder
, Hans Lüdemann
 and Hermann Künne
 against the Humber estuary. | 
 
| 12-13.11.1939:   | 
Mine laying operations together with the destroyers Karl Galster
,  Hans Lüdemann
 and Hermann Künne
 against the Themse estuary. The returning ships are escorted by the light cruisers Nürnberg
 and Köln
 and the torpedo boats Iltis
,  Leopard
,  Seeadler
 and Wolf
 . | 
 
| 17-18.11.1939:   | 
Mine laying operations together with the destroyers Bernd von Arnim
 and Hermann Künne
 against the Themse estuary. The returning ships are escorted by the light cruisers Nürnberg
 and Köln
 and the torpedo boats Iltis
,  Leopard
, and Seeadler
. | 
 
| 10-11.01.1940:   | 
Mine laying operations together with the destroyers Anton Schmitt
, Karl Galster
, Richard Beitzen
, Friedrich Ihn
 and Friedrich Eckold
 against Newcastle. | 
 
| 09-10.02.1940:   | 
Together with the destroyers Theodor Riedel
 and Hermann Schoemann
, the Wilhlem Heidkamp
 supports mine laying operations of the destroyers Friedrich Eckold
, Richard Beitzen
, Max Schultz
, Bruno Heinemann
, Wilhlem Zenker
 and Erich Koellner
. | 
 
| 18-20.02.1940:   | 
Wilhlem Heidkamp
 and Karl Galster
 escort  the battleships Scharnhorst
 and Gneisenau
 and the heavy cruiser Admiral Hipper
 during an operation against the Shetland narrow. | 
 
| 07.04.1940:   | 
Operation Weserübung: Wilhlem Heidkamp
 joins the destroyers Georg Thiele
 , Wolfgang Zenker
 , Anton Schmitt
 , Erich Giese
 , Bernd von Arnim 
 , Diether von Roeder
 , Erich Koellner
 , Hermann Künne
 and Hans Lüdemann
 in the Narvik Attack Group. | 
 
| 09.04.1940:   | 
Operation Weserübung. Together with Bernd von Arnim
 the Wilhlem Heidkamp
 sinks the Norwegian coast defence ships Norge
 and Eidsvold
 with torpedo hits at Narvik. | 
 
| 13.04.1940:   | 
Operation Weserübung: The destroyer is sunk by British destroyers at Narvik by artillery and torpedo hits. | 
 
 
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