| Regimental number | 4031 |
| Date of birth | 27 January 1895 |
| Place of birth | Cooma, New South Wales |
| School | Cooma, New South Wales |
| Religion | Church of England |
| Occupation | Plasterer |
| Address | Stanley Street, Leichhardt, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs Emma Flatman, 'Arthurville' Stanley Street, Leichhardt, New South Wales |
| Enlistment date | 8 May 1916 |
| Date of enlistment from Nominal Roll | 2 May 1916 |
| Rank on enlistment | Private |
| Unit name | 30th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/47/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 7 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 30th Battalion |
| Fate | Returned to Australia 31 October 1917 |
| Family/military connections | Brother: Private Reginald Flatman, 1st Pioneer Battalion |
| Other details | Service in France, where he contracted trench fever. |
