Crew list of Ships hit by U-boats
Karel Hendricus Antonius Koster
Royal Dutch Navy. Dutch
| Born | 18 Jul 1911 | Den Haag | |
| Died | 13 Nov 1942 | (31) |
Roster information listed for Karel Hendricus Antonius Koster
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | HNMS Isaac Sweers (G 83) | Destroyer | Bediende | 13 Nov 1942 (+) | U-431 |