| Crewmember | Warrant Officer Class 1 J B Gravet-Chapman |
|---|---|
| Rank | Warrant Officer Class 1 |
| Service number | unknown |
| Awards | unknown |
| Date as recorded | 27-28-08-44 |
| Date range | unknown |
| Squadron / unit | 428 |
| Aircraft | Lancaster X (KB709, code NA-G) |
| RAF station / departure | Middleton St George |
| Time | 21:19 |
| Location / duty / target | Stettin |
| Incident | unknown |
| Fate | Killed |
| Buried or commemorated | Anholt Cem |
| Command | Bomber Command |
