| Crewmember | Sergeant W J Maas |
|---|---|
| Rank | Sergeant |
| Service number | unknown |
| Awards | unknown |
| Date as recorded | 13/14.07.42 |
| Date range | 1942-07-13 to 1942-07-14 |
| Squadron / unit | 158 |
| Aircraft | Halifax II (DG227, code NP-Q) |
| RAF station / departure | East Moor |
| Time | .0017. |
| Location / duty / target | Duisburg |
| Incident | Crashed in sea 15 miles off Great Yarmouth NFK |
| Fate | Killed |
| Buried or commemorated | Runnymede |
| Command | Bomber Command |
