Crew list of Ships hit by U-boats
Robert Karlsen
Merchant Navy. Norwegian
| Born | 17 Nov 1900 | Stavanger, Rogaland | |
| Died | 28 Feb 1942 | (41) |
Roster information listed for Robert Karlsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Vestvard | Motor merchant | Second Officer | 27 Sep 1940 | U-31 (1) |
| Leif | Motor merchant | Third Officer | 28 Feb 1942 (+) | U-653 (1) |