1. COW Crude Oil Washing
2. CPA/TCPA Closest Point of Approach/Time to Closest Point of Approach
3. DSC Digital Selective Calling (in the GMDSS system)
4. EPIRB Emergency Position Indicating Radio Beacon
5. ETA Estimated Time Arrival
6. ETD Estimated Time of Departure
7. GMDSS Global Maritime Distress and Safety System
8. (D)GPS (Differential)Global (satellite) Positioning System
9. MMSI Maritime Mobile Service Identity
10. MRCC Maritime Rescue Co-ordination Centre
11. OSC On-Scene Coordinator
12. SWL Safe Working Load
13. SAR Search and Rescue
14. SART Search and Rescue Radar Transponder
15. TEU Twenty Foot Equivalent Unit
16. UTC Universal Time Coordinated
17. VHF Very High Frequency(30-300MHz)
18. ITZ Inshore Traffic Zone (of a TSS)
19. TSS Traffic Separation Scheme
20. VTS Vessel Traffic Services
21. SMCP Standard Marine Communication Phrases
22. STCW Standards of Training, Certification and Watch keeping for Seafarers
23. DPT Direct Printing Telegraphy
24. NAVTEX Navigational Telex
25. AOR-W Atlantic Ocean Region West
26. AOR-E Atlantic Ocean Region East
27. IOR Indian Ocean Region
28. POR Pacific Ocean Region
29. WWNWS Worldwide Navigational Warning Service
30. RCC Rescue-Co-ordination Centre
31. SMC SAR Mission Coordinator
32. SRR Search and Rescue Region
33. OOW Officers of the Watch
34. SOLAS Safety of Life at Sea
35. STAREC Status Recording-system