Crew list of Ships hit by U-boats
Martti Summa
Merchant Navy. Finnish
| Born | 9 Nov 1920 | Uusikirkko | |
| Died | 10 Jul 1940 | (19) |
Roster information listed for Martti Summa
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Petsamo | Steam merchant | Stoker | 10 Jul 1940 (+) | U-34 |