Ordinary seaman
An ordinary seaman is a person who holds the lowest rating in the deck crew of a seagoing ship and does the work the running of the vessel requires.
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Rate 5 of the 25 essential skills of this occupation (European ESCO data). No account needed.
sort waste
maintain ship brightwork
maintain ropes
moor vessels
assist water-based navigation
About ordinary seaman
The ordinary seaman is the main labour on deck. The seaman supports marine navigation: standing lookout, reporting what is sighted, steering on order and keeping the bridge and the decks in order. The seaman knows the physical structure of the ship: where the passageways run and where the hatches and tanks are.
The seaman also loads goods onto the ship and secures the cargo so that nothing shifts when the vessel rolls, and on arrival and departure works the lines, passing them, heaving them in and casting the ship off.
An ordinary seaman also knows the ship's safety equipment, operates life-saving appliances and uses the different types of fire extinguisher. The work is supervised by the master, the officers and the engineer, and instructions come from anyone higher in the hierarchy. To become an ordinary seaman, a person needs a seafarer's record book, a seafarer medical certificate and basic safety training completed at a recognised centre.
Key Work Functions
Core areas of responsibility for a ordinary seaman.
Cargo Operations and Handling
- Load and unload cargo onto and from ships using appropriate techniques and equipment
- Secure cargo on ships using ropes and securing devices according to safety standards
- Apply principles of cargo stowage to ensure proper distribution and ship stability
- Handle various types of cargo safely and maintain proper documentation
Vessel Maintenance and Operation
- Maintain ropes, rigging, and deck equipment through regular inspection and repair
- Clean ships and maintain vessel cleanliness, brightwork, and overall appearance
- Perform routine maintenance tasks on physical parts of the vessel
- Report maintenance issues and equipment malfunctions to supervisors
Safety and Emergency Procedures
- Operate life-saving appliances and participate in safety drills and training
- Use different types of fire extinguishers and fire prevention equipment correctly
- Follow vessel safety equipment protocols and emergency response procedures
- Handle stressful situations in the workplace with composure and professionalism
Navigation Support and Communication
- Assist with water-based navigation and chart monitoring under supervision
- Use maritime English for communication with diverse international crew members
- Operate Global Maritime Distress and Safety System (GMDSS) equipment when required
- Moor vessels using ropes and follow mooring procedures at ports
Hygiene, Health and Waste Management
- Follow hygienic procedures during food processing and galley operations
- Sort and manage waste according to maritime environmental regulations
- Maintain personal hygiene standards and contribute to healthy onboard conditions
European Skills Framework
Skills and knowledge areas required for this occupation based on European classification.
Essential (25)
Optional (8) — show
Related Occupations
Occupations that need many of the same essential skills, so the move between them is shortest.
Frequently asked questions
What does an ordinary seaman do?
Ordinary seamen occupy the lowest rank of a maritime ship’s deck crew. They comprise the main labour force on board a boat where they help to operate the ship. They are supervised by the ship captain and the engineer, and can be given instructions by any individuals ranked above them.
What skills does an ordinary seaman need?
An ordinary seaman needs 25 essential skills, including physical parts of the vessel, types of maritime vessels, vessel safety equipment, principles of cargo stowage, Global Maritime Distress and Safety System.
Will AI replace ordinary seaman jobs?
The AI disruption score for ordinary seaman is 25/100 (low risk). Skills most exposed to automation: follow written instructions, types of maritime vessels, use maritime English. Most resilient: swim, maintain ropes, operate life-saving appliances.
AI Replacement Risk
Quick Facts
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