Crew list of Ships hit by U-boats
Halfdan Tønder
Merchant Navy. Norwegian
| Born | 2 Jul 1899 | Bergen | |
| Died | 2 Dec 1941 | (42) |
Roster information listed for Halfdan Tønder
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Fjord | Steam merchant | Master | 2 Dec 1941 (+) | U-557 (1) |