The Squadron’s Operations Record Book shows that HGB Mays was the Captain of a 35 Squadron aircraft on the following sorties:
- 10/04/1942 Essen
- 12/04/1942 Essen
- 04/05/1942 Stuttgart
- 06/05/1942 Stuttgart
- 08/05/1942 Warnemunde
- 19/05/1942 Mannheim
- 30/05/1942 Cologne
- 01/06/1942 Essen
- 02/06/1942 Essen
- 06/06/1942 Emden
- 08/06/1942 Essen
- 19/06/1942 Emden
- 20/06/1942 Emden
- 22/06/1942 Emden
- 25/06/1942 Bremen (Failed to Return)
The following shows the composition of his crew on these sorties, along with the number of sorties undertaken by each airman as part of his crew (as recorded in the squadron’s Operations Record Book). Details of all flights (including training flights) will be recorded in their Flying Log Books:
| (Pilot) | Herbert Gordon Badger Mays | 15 |
| (2nd Pilot) | Hugh Charles Granger | 1 |
| Sydney John Harding | 2 | |
| Thomas Reginald Dobson | 1 | |
| [-] Hrehorak | 1 | |
| (Observer) | Ronald Harry Birch | 15 |
| (Air Bomber) | Kenneth Drew Rome | 8 |
| (WOP / AG) | Stanley Frank Hazleton | 15 |
| (Possibly) John Andrew Catley | 4 | |
| (Air Gunner) | Arthur John Selby | 4 |
| Cecil Francis Goode | 5 | |
| Ronald Willis Fisher | 15 | |
| [-] Jones | 2 | |
| (Flight Engineer) | Robert George Gumbley | 15 |
Posting Dates
| Mays | Herbert Gordon Badger | In From: | _ | _ |
| Out to: | War Casualty | 25/06/1942 |
