Restricted Service, Paraguay, Parana and River Plate interior waters until line Buenos Aires-Colonia port.

River Service in Brunei, Sabah and Sarawak

Research and Special Programs Administration.

Revenue Ton

Real Time Kinematic GPS

Reid Vapor Pressure

Sediment & Water (formerly BS&W)

Starboard Aft

Special Attendance Fees.

System to Automate and Integrate Logistics.

Single Anchor Leg Mooring

Subcommittee on Radio Communication and Search and Rescue (IMO)

SAR Management Information System.

SAR Simulation Model

Satellite Navigation

Saturday P.M.

Saudi Arabia (Flag)

System-Based Design

Single Buoy Mooring

Shipboard System.