MMSI Number
An MMSI Number (Maritime Mobile Service Identity) is like a unique phone number for ships and marine radio stations. Every vessel that uses marine radio communications has its own 9-digit MMSI number. This system helps identify ships, making it easier for vessels to communicate with each other and with coastal stations. It's especially important for safety and emergency situations at sea. When you see this term in a resume, it often indicates that the candidate has experience with maritime communications or vessel operations.
Examples in Resumes
Maintained database of vessel MMSI Number records for fleet of 50 ships
Coordinated emergency response using MMSI Number identification system
Trained crew members on proper use of MMSI Numbers in maritime communications
Typical job title: "Maritime Communications Officers"
Also try searching for:
Where to Find Maritime Communications Officers
Maritime Organizations
Professional Networks
Example Interview Questions
Senior Level Questions
Q: How would you manage MMSI number assignments for a large fleet of vessels?
Expected Answer: A senior candidate should explain the process of obtaining MMSI numbers from maritime authorities, maintaining accurate records, and ensuring proper registration updates. They should also mention coordination with different country authorities for international vessels.
Q: What are the key considerations when setting up a new vessel's MMSI registration?
Expected Answer: The answer should cover checking number availability, proper documentation submission, understanding vessel type requirements, and ensuring compliance with international maritime regulations.
Mid Level Questions
Q: What role does the MMSI number play in maritime safety?
Expected Answer: Should explain how MMSI numbers are used in emergency communications, vessel tracking, and identification during rescue operations. Should mention integration with safety systems.
Q: Explain the difference between ship and coast station MMSI numbers.
Expected Answer: Should describe how ship MMSI numbers differ from coast station numbers in format and usage, and explain when each type is used in maritime communications.
Junior Level Questions
Q: What is an MMSI number and why is it important?
Expected Answer: Should explain that it's a unique identification number for vessels and radio stations, used for communication and safety purposes at sea.
Q: How many digits are in an MMSI number and what do they represent?
Expected Answer: Should know that MMSI numbers are 9 digits long and explain that the first three digits typically represent the country code where the vessel is registered.
Experience Level Indicators
Junior (0-2 years)
- Basic understanding of MMSI number format
- Familiarity with maritime communication systems
- Basic vessel identification procedures
- Knowledge of maritime safety protocols
Mid (2-5 years)
- MMSI registration and management
- Maritime communication operations
- Emergency response procedures
- Radio equipment operation
Senior (5+ years)
- Fleet-wide MMSI management
- Maritime regulatory compliance
- Training and supervision
- Emergency coordination
Red Flags to Watch For
- No knowledge of basic maritime communication protocols
- Unfamiliarity with maritime safety regulations
- Lack of experience with radio equipment
- No understanding of vessel identification systems
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