| Ship, nation, owners | Voyage identification number | 76457 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Onslow | |
| Flag | Great Britain | |
| Flag IMP | Great Britain | |
| Place constructed | ||
| Year constructed | ||
| Place registered | ||
| Year registered | ||
| Rig | Fregat | |
| Tonnage | 360 | |
| Standardized tonnage IMP | 268 | |
| Guns mounted | 26 | |
| Vessel owners | South Sea Company | |
| Voyage Outcome | Particular outcome of voyage | Captured by pirates or privateers - before slaves embarked |
| Outcome of voyage for slaves IMP | No slaves embarked | |
| Outcome of voyage if ship captured IMP | pirate/privateer action | |
| Outcome of voyage for owner IMP | Original goal thwarted (human agency) | |
| African resistance | ||
| Voyage Itinerary | Place where voyage began IMP | London |
| First place of slave purchase | ||
| Second place of slave purchase | ||
| Third place of slave purchase | ||
| Principal place of slave purchase IMP | ||
| Places of call before Atlantic crossing | ||
| First place of slave landing | ||
| Second place of slave landing | ||
| Third place of slave landing | ||
| Principal place of slave landing IMP | ||
| Place where voyage ended | ||
| Region where voyage began IMP | England and Wales | |
| First region of slave purchase | ||
| Second region of slave purchase | Windward Coast | |
| Third region of slave purchase | Sierra Leone | |
| Principal region of slave purchase IMP | ||
| First region of slave landing | ||
| Second region of slave landing | ||
| Third region of slave landing | ||
| Principal region of slave landing IMP | ||
| Region where voyage ended | ||
| Voyage Dates | Year arrived with slaves IMP | 1721 |
| Date voyage began | 1721-06-13 | |
| Date trade began in Africa | 1721-08-?? | |
| Date vessel departed Africa | 1721-10-01 | |
| Date vessel arrived with slaves | ||
| Date vessel departed for homeport | ||
| Date voyage completed | ||
| Voyage length, homeport to slaves landing (days) IMP | ||
| Middle passage (days) IMP | ||
| Captain and Crew | Captain's name | Gee, Michael |
| Crew at voyage outset | 50 | |
| Crew at first landing of slaves | ||
| Crew deaths during voyage | ||
| Slave (numbers) | Number of slaves intended at first place of purchase | 275 |
| Slaves carried from first port of purchase | ||
| Slaves carried from second port of purchase | ||
| Slaves carried from third port of purchase | ||
| Total slaves embarked | ||
| Total slaves embarked IMP | ||
| Number of slaves arriving at first place of landing | ||
| Number of slaves disembarked at first place of landing | ||
| Number of slaves disembarked at second place of landing | ||
| Number of slaves disembarked at third place of landing | ||
| Total slaves disembarked IMP | ||
| Slave (characteristics) | Percentage men IMP | |
| Percentage women IMP | ||
| Percentage boys IMP | ||
| Percentage girls IMP | ||
| Percentage male IMP | ||
| Percentage children IMP | ||
| Sterling cash price in Jamaica IMP | ||
| Slave deaths during middle passage IMP | ||
| Mortality rate IMP | ||
| Source | Sources | CO390/7: Colonial Office, National Archives (UK) CO388/25,376,379: Colonial Office, National Archives (UK) T70/922,92-7: Treasury, National Archives (Kew) Royal African Company Accounts CO390/7: Colonial Office, National Archives (UK) T70/1225,23: Treasury, National Archives (Kew) Royal African Company Accounts HCA1/99,pt3,CapeCoastCastle: High Court of Admiralty, The National Archives T70/4,23-4: Treasury, National Archives (Kew) Royal African Company Accounts Defoe,228,229,252: Defoe, Daniel, History of the Pirates (London, [1724] 1814). |