Patrols by U-421
See the profile page for U-421
|1||Oblt. Hans Kolbus||6 Nov 1943||Kiel||8 Jan 1944||Brest||64 days||P||View|
|2||Oblt. Hans Kolbus||19 Feb 1944||Brest||1 Apr 1944||Toulon||43 days||P||View|
2 War patrols (P) located. 107 days at sea during patrols.
War patrols are shown with grey background.
Tons indicate tonnage of ships sunk or damaged during the patrol, if any. Warships are included.