Glossary: R

12 terms.

• Radio Officer
  An officer certified to operate GMDSS equipment and manage all radio communications on board; a role increasingly merged with other duties.
• Recommended Track
  A route of undefined width for the convenience of vessels in transit, indicated on charts but not mandatory.
• Reefer
  A refrigerated container or cargo space maintaining a controlled temperature for perishable goods during transport.
• Reefer Container
  A refrigerated ISO container with an integral refrigeration unit maintaining controlled temperatures for perishable cargo.
• Reefer Plug
  An electrical socket in a ship's hold or on deck providing power to a reefer container's refrigeration unit.
• Renewal Survey
  A statutory survey conducted to renew a SOLAS or MARPOL certificate for a further period, typically five years.
• Rhumb Line
  A course that crosses all meridians at the same angle, appearing as a straight line on a Mercator chart.
• RightShip
  A third-party maritime risk-assessment platform providing GHG ratings and vetting inspections used by cargo owners to screen vessels.
• Ro-Ro Vessel
  A ship with built-in ramps allowing wheeled cargo such as cars, trucks, and trailers to be driven directly on and off.
• Roll-On/Roll-Off
  Cargo handling method where wheeled vehicles or trailers drive on and off the vessel under their own power via ramps.
• Rotterdam Rules
  The 2008 UN convention on contracts for international carriage of goods wholly or partly by sea, modernising earlier cargo liability regimes.
• Running Fix
  A position obtained from two or more bearings of the same object taken at different times and advanced along the course line.