| Crewmember | Flight Sergeant Valach |
|---|---|
| Rank | Flight Sergeant |
| Service number | unknown |
| Awards | unknown |
| Date as recorded | 22/23.06.41 |
| Date range | 1941-06-22 to 1941-06-23 |
| Squadron / unit | 311 |
| Aircraft | Wellington Ic (T2990, code KX-T) |
| RAF station / departure | East Wretham |
| Time | 23:16 |
| Location / duty / target | Bremen |
| Incident | Crashed at Nieuwe Niedrop NE of Alkmaar |
| Fate | Killed |
| Buried or commemorated | unknown |
| Command | Bomber Command |
