| Frederick Whiteford Pym R.N. | Explanation | ||
| Date (from) | (Date to) | Personal | |
| No personal data. | |||
| Date | Rank | ||
| 14 January 1852 | Mate | ||
| 21 October 1854 | Lieutenant | ||
| Date from | Date to | Service | |
| 23 May 1855 | Lieutenant and commander in Skylark, the Baltic (as tender to Russell) during the Russian War, and later in Queenstown | ||
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