| Regimental number | 2396 |
| Place of birth | Pretoria South Africa |
| Other Names | Arnot, Cranstone Robert |
| Religion | Church of England |
| Occupation | Mechanic |
| Address | Bronte, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Cranstown Arnot, 'Hadleigh', Macpherson Street, Bronte, Sydney, New South Wales |
| Enlistment date | 21 November 1917 |
| Date of enlistment from Nominal Roll | 19 November 1917 |
| Rank on enlistment | 2nd Air Mechanic |
| Unit name | October 1917 Reinforcements |
| AWM Embarkation Roll number | 8/15/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on 22 December 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Flying Corps |
| Fate | Returned to Australia 6 May 1919 |
