Glossary of maritime terminology

• Radar
• Radiotelephony Spelling Alphabet
• Raft
• Rank
• Rating
• Red Parachute Flare
• Reef
• Reefer Box
• Reefer Container
• Reefer Management System
• Reefer Monitoring System
• Reefer Plant
• Reefer Ship
• Refrigeration Plant
• Remote Control Valve System
• Rescue Boat
• Return Cargo
• Rigging
• Roll-On / Roll-Off Ship
• Rolling Cargo
• Romeo
• RoPax Ferry
• RoRo Ship
• Rudder
• Rudder Bearings
• Running Aground