Nummer: 09003
| Area : | Western Area |
| Sea area : | US East Coast |
| Date of attack : | 12.04.1942 |
| Time of attack : | 07:06 |
| Nationality of U-boat : | German |
| U-boat : | U 203 |
| Commander : | Mützelburg |
| Grid : | DC 1177 |
| presumed target type : | Tanker id |
| presumed tonnage : | 10444 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 12.04.1942 |
| Time of observation : | 05:13 |
| Nationality of target : | Panamanian |
| Actual type of target : | Motor Tanker |
| Name of target : | Stanvac Melbourne |
| Year of launch : | 1941 |
| Actual tonnage : | 10013 BRT |
| Actual result : | damaged |
| Position of target : | 33.53n 77.29w |
| Footnote : | The torpedo fired by U-203 against "Delvalle" (identified by the B-Dienst) detonated when it hit the bottom beneath the stern of "Stanvac Melbourne", which was heavily damaged by the next torpedo. "Delvalle" was sunk by U-154. |