| Ship, nation, owners | Voyage identification number | 10663 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Haast U Langzaam | |
| Flag | Netherlands | |
| Flag IMP | Netherlands | |
| Place constructed | ||
| Year constructed | ||
| Place registered | ||
| Year registered | ||
| Rig | Fregat | |
| Tonnage | 198 | |
| Standardized tonnage IMP | 396 | |
| Guns mounted | ||
| Vessel owners | Middelburgsche Commercie Compagnie | |
| Voyage Outcome | Particular outcome of voyage | Voyage completed as intended |
| Outcome of voyage for slaves IMP | Slaves disembarked in Americas | |
| Outcome of voyage if ship captured IMP | Not captured | |
| Outcome of voyage for owner IMP | Delivered slaves for original owners | |
| African resistance | Slave insurrection | |
| Voyage Itinerary | Place where voyage began IMP | Vlissingen |
| First place of slave purchase | Malembo | |
| Second place of slave purchase | ||
| Third place of slave purchase | ||
| Principal place of slave purchase IMP | Malembo | |
| Places of call before Atlantic crossing | ||
| First place of slave landing | Suriname, place unspecified | |
| Second place of slave landing | St. Eustatius | |
| Third place of slave landing | ||
| Principal place of slave landing IMP | St. Eustatius | |
| Place where voyage ended | Vlissingen | |
| Region where voyage began IMP | Netherlands | |
| 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 | Dutch Guianas | |
| Second region of slave landing | Dutch Caribbean | |
| Third region of slave landing | ||
| Principal region of slave landing IMP | Dutch Caribbean | |
| Region where voyage ended | Netherlands | |
| Voyage Dates | Year arrived with slaves IMP | 1773 |
| Date voyage began | 1772-10-22 | |
| Date trade began in Africa | 1773-02-06 | |
| Date vessel departed Africa | 1773-08-20 | |
| Date vessel arrived with slaves | 1773-09-29 | |
| Date vessel departed for homeport | 1774-01-29 | |
| Date voyage completed | 1774-04-05 | |
| Voyage length, homeport to slaves landing (days) IMP | 342 | |
| Middle passage (days) IMP | 40 | |
| Captain and Crew | Captain's name | Sprang, Jan van |
| Crew at voyage outset | 39 | |
| Crew at first landing of slaves | 35 | |
| Crew deaths during voyage | 4 | |
| 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 | 326 | |
| Total slaves embarked IMP | 326 | |
| Number of slaves arriving at first place of landing | 310 | |
| Number of slaves disembarked at first place of landing | 37 | |
| Number of slaves disembarked at second place of landing | 273 | |
| Number of slaves disembarked at third place of landing | ||
| Total slaves disembarked IMP | 317 | |
| Slave (characteristics) | Percentage men IMP | 41.9% |
| Percentage women IMP | 29.0% | |
| Percentage boys IMP | 18.1% | |
| Percentage girls IMP | 11.0% | |
| Percentage male IMP | 60.0% | |
| Percentage children IMP | 29.0% | |
| Sterling cash price in Jamaica IMP | 42.6 | |
| Slave deaths during middle passage IMP | 9 | |
| Mortality rate IMP | 3.0% | |
| Source | Sources | Postma,304-401: Postma, Johannes Menne, The Dutch in the Atlantic Slave Trade, 1600-1815 (Cambridge, 1990).
Poortvliet,III,141: Poortvliet, P. F. (ed.), De Bemanning der Schepen van de Middelburgsche Commercie Compagnie, 1721-1803, 5 vols. (Zeeland, 1995). Goslinga,424,610-47: Goslinga, Cornelis Ch., The Dutch in the Caribbean and the Guianas, 1680-1791 (Assen, 1985). Unger,II,109-13: Unger, W. S.,"Bijdragen tot de geschiedenis van de Nederlandse slavenandel, II" Economisch-Historisch Jaarboek, 28 (1958-60). ARA,Aanwinsten,2093: Nationaal Archief (The Hague, Netherlands) Aanwinsten MCC,532-536: Zeeuws Archief (Middelburg, Netherlands) Middelburgsche Commercie Compagnie |