| Crewmember | Sergeant W C Mason |
|---|---|
| Rank | Sergeant |
| Service number | unknown |
| Awards | unknown |
| Date as recorded | 24-25-03-44 |
| Date range | unknown |
| Squadron / unit | 166 |
| Aircraft | Lancaster I (ME635, code AS-C) |
| RAF station / departure | Kirmington |
| Time | 18:35 |
| Location / duty / target | Berlin |
| Incident | unknown |
| Fate | Killed |
| Buried or commemorated | Berlin 1939-1945 War Cem |
| Command | Bomber Command |
