The Squadron’s Operations Record Book shows that ERPS Cooper was the Captain of a 35 Squadron aircraft on the following sorties:
- 25/07/1941 Berlin (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) | Ernest Ronald Peter Shackle Cooper | 1 |
| (2nd Pilot) | John Milne Rigg Cruickshank | 1 |
| (Observer) | Robert Victor Collinge | 1 |
| (WOP / AG) | Albert James Heller | 1 |
| Douglas James Mennie | 1 | |
| (Air Gunner) | Reginald Arthur Bates | 1 |
| (Flight Engineer) | Ernest Short | 1 |
