Crew list of Ships hit by U-boats
Alf Hartvig Karlsen
Merchant Navy. Norwegian
| Born | 6 Feb 1899 | Borge, Østfold | |
| Died | 2 Dec 1941 | (42) |
Roster information listed for Alf Hartvig Karlsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Fjord | Steam merchant | Fireman | 2 Dec 1941 (+) | U-557 (1) |