| Crewmember | Flight Sergeant J R Tree |
|---|---|
| Rank | Flight Sergeant |
| Service number | unknown |
| Awards | unknown |
| Date as recorded | 28-29-01-44 |
| Date range | unknown |
| Squadron / unit | 83 |
| Aircraft | Lancaster III (JB412, code OL-B) |
| RAF station / departure | Wyton |
| Time | .0019. |
| Location / duty / target | Berlin |
| Incident | Crashed at Varnaes |
| Fate | Killed |
| Buried or commemorated | Abenra Cem |
| Command | Bomber Command |
