Crew list of Ships hit by U-boats
Roald Trygve Karlaug
Merchant Navy. Norwegian
| Born | 19 Feb 1897 | Bergen, Hordaland | |
| Died | 1 Dec 1939 | (42) |
Roster information listed for Roald Trygve Karlaug
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Arcturus | Steam merchant | Chief Officer/Radio Operator | 1 Dec 1939 (+) | U-31 (1) |