| Ship, nation, owners | Voyage identification number | 3736 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Polca | |
| Flag | ||
| Flag IMP | ||
| Place constructed | ||
| Year constructed | ||
| Place registered | ||
| Year registered | ||
| Rig | Brigantine | |
| Tonnage | 165 | |
| Standardized tonnage IMP | 254 | |
| Guns mounted | ||
| Vessel owners | Dávila, J T | |
| Voyage Outcome | Particular outcome of voyage | Vice-Admiralty Court, St.Helena, condemned |
| Outcome of voyage for slaves IMP | Slaves disembarked in Old World | |
| Outcome of voyage if ship captured IMP | British | |
| Outcome of voyage for owner IMP | Original goal thwarted (human agency) | |
| African resistance | ||
| Voyage Itinerary | Place where voyage began IMP | Rio de Janeiro |
| First place of slave purchase | Mayumba | |
| Second place of slave purchase | ||
| Third place of slave purchase | ||
| Principal place of slave purchase IMP | Mayumba | |
| Places of call before Atlantic crossing | ||
| First place of slave landing | St. Helena | |
| Second place of slave landing | ||
| Third place of slave landing | ||
| Principal place of slave landing IMP | St. Helena | |
| Place where voyage ended | ||
| Region where voyage began IMP | Southeast Brazil | |
| First region of slave purchase | West Central Africa and St. Helena | |
| Second region of slave purchase | ||
| Third region of slave purchase | ||
| Principal region of slave purchase IMP | West Central Africa and St. Helena | |
| First region of slave landing | West Central Africa and St. Helena | |
| Second region of slave landing | ||
| Third region of slave landing | ||
| Principal region of slave landing IMP | West Central Africa and St. Helena | |
| Region where voyage ended | ||
| Voyage Dates | Year arrived with slaves IMP | 1848 |
| Date voyage began | ||
| Date trade began in Africa | ||
| Date vessel departed Africa | 1848-08-05 | |
| Date vessel arrived with slaves | 1848-08-?? | |
| Date vessel departed for homeport | ||
| Date voyage completed | ||
| Voyage length, homeport to slaves landing (days) IMP | ||
| Middle passage (days) IMP | 30 | |
| Captain and Crew | Captain's name | Costa, F J da |
| Crew at voyage outset | 25 | |
| Crew at first landing of slaves | ||
| Crew deaths during voyage | ||
| Slave (numbers) | Number of slaves intended at first place of purchase | |
| Slaves carried from first port of purchase | ||
| Slaves carried from second port of purchase | ||
| Slaves carried from third port of purchase | ||
| Total slaves embarked | 29 | |
| Total slaves embarked IMP | 29 | |
| Number of slaves arriving at first place of landing | 27 | |
| 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 | 26 | |
| Slave (characteristics) | Percentage men IMP | |
| Percentage women IMP | ||
| Percentage boys IMP | ||
| Percentage girls IMP | ||
| Percentage male IMP | 100.0% | |
| Percentage children IMP | ||
| Sterling cash price in Jamaica IMP | ||
| Slave deaths during middle passage IMP | 3 | |
| Mortality rate IMP | 10.0% | |
| Source | Sources | IUP,ST,37/B/179: Great Britain, Irish University Press Series of British Parliamentary Papers: Slave Trade, vols. 1-90 (Shannon, 1969-74).
IUP,ST,36/A/228: Great Britain, Irish University Press Series of British Parliamentary Papers: Slave Trade, vols. 1-90 (Shannon, 1969-74). IUP,ST,36/B/52: Great Britain, Irish University Press Series of British Parliamentary Papers: Slave Trade, vols. 1-90 (Shannon, 1969-74). IUP,ST,6/227,354,368,418: Great Britain, Irish University Press Series of British Parliamentary Papers: Slave Trade, vols. 1-90 (Shannon, 1969-74). IUP,ST,5/139: Great Britain, Irish University Press Series of British Parliamentary Papers: Slave Trade, vols. 1-90 (Shannon, 1969-74). |