| | | | |
| Arthur Forbes R.N. | Explanation |
| |
| Date (from) | (Date to) | Personal |
| 20 March 1891 | | Died |
| |
| Date | Rank |
| 11 March 1828 | Lieutenant |
| 27 December 1838 | Commander |
| 27 August 1846 | Captain |
| 28 March 1864 | Rear-Admiral |
| 13 May 1871 | Retired Rear-Admiral |
| 14 July 1871 | Retired Vice-Admiral |
| 1 August 1877 | Retired Admiral |
| |
| Date from | Date to | Service |
| 18 August 1841 | | Commander (2ic) in Illustrious, commanded by John Elphinstone Erskine, flagship, North America and West Indies |
| 25 July 1851 | | Captain in Calypso, North America and West Indies |
| 25 July 1851 | | Captain in Calypso, North America and West Indies |
| 14 May 1857 | 9 September 1857 | Captain in Curacoa (until paying off at Portsmouth), Mediterranean |
| 21 November 1857 | 25 September 1861 | Captain in Renown (from commissioning at Sheerness until paying off at Plymouth), Channel squadron (from 7 to 10 August 1858 flagship of Rear-Admiral Charles Howe Fremantle, then (May 1859) Mediterrenean |
| 16 November 1869 | | Commander-in-chief, Queenstown (flag in Mersey) |