The Squadron’s Operations Record Book shows that CC Spencer was the Captain of a 35 Squadron aircraft on the following sorties:
- 10/04/1942 Essen
- 12/04/1942 Essen
- 16/04/1942 L’Orient
- 04/05/1942 Stuttgart
- 06/05/1942 Stuttgart
- 08/05/1942 Warnemunde
- 19/05/1942 Mannheim
- 30/05/1942 Cologne
- 01/06/1942 Essen
- 03/06/1942 Bremen
- 06/06/1942 Emden
- 08/06/1942 Essen
- 16/06/1942 Essen
- 19/06/1942 Emden
- 20/06/1942 Emden
- 22/06/1942 Emden
- 25/06/1942 Bremen
- 27/06/1942 Bremen
- 29/06/1942 Bremen
- 02/07/1942 Bremen
- 08/07/1942 Wilhelmshaven
- 21/07/1942 Duisburg
- 25/07/1942 Duisburg
- 26/07/1942 Hamburg
- 29/07/1942 Saarbrucken
- 31/07/1942 Dusseldorf (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) | Cyril Charles Spencer | 26 |
| (2nd Pilot) | – Bird | 1 |
| James Keatley Watson | 1 | |
| Sidney Richard Stickney | 1 | |
| Thomas Henry Lane | 1 | |
| (Observer) | Ronald Casey | 26 |
| (Air Bomber) | Ronald William Dean | 19 |
| Walter Alfred Elliot | 1 | |
| (WOP / AG) | – Munday | 5 |
| – Watts | 1 | |
| Charles Burdon | 1 | |
| Harold Clarke | 26 | |
| Norman Moffatt | 5 | |
| William Gorman | 4 | |
| William Alexander Gordon | 1 | |
| (Air Gunner) | – Gingell | 1 |
| – Stevens | 5 | |
| Bertram Stanley Braybrook | 4 | |
| G Lowe | 7 | |
| Haakon Rivedal | 2 | |
| Robert Thomas Morris | 16 | |
| (Flight Engineer) | Caudray Albert Charles Pithers | 26 |
Posting Dates
| Spencer | Cyril Charles | In From: | 10 O.T.U. | 13/09/1941 |
| Out to: | POW | 31/07/1942 |
