The South Atlantic Meridional Overturning Circulation Basin-wide Array (SAMBA) Monitoring Line in the South-East Atlantic Ocean was conducted on the RS Algoa Voyage 237 from 04 April 2017 to 12 April 2017. The cruise operated from Slangkop, off Cape Town, westwards to 15° E, in the South Atlantic Ocean along the SAMBA transect. The objectives of the cruise were to recover, service and re-deploy five (5) Acoustic Doppler Current Profilers (ADCP) moorings (1 x shelf mooring and 4 tall moorings); complete 3 Conductivity, Temperature, Depth (CTD) 1000m depth casts for the calibration of the SeaBird SBE37 sensors deployed on the moorings along the SAMBA transect; collect underway Thermosalinograph (TSG); Surface Photosynthetically Active Radiation (SPAR) and Ship-mounted Acoustic Doppler Current Profilers (S-ADCP) data. Lastly, 4 Argo floats were deployed to enhance the Global Ocean Observing System (GOOS) of Intergovernmental Oceanographic Commission (IOC) in the South Atlantic Ocean...