As an Ordinary Seaman, you will need to master following:

• assist water-based navigation
• clean ships
• load cargo onto ships
• maintain ropes
• maintain ship brightwork
• maintain vessel engine room
• maintain vessel safety and emergency equipment
• operate life-saving appliances
• physical parts of the vessel
• principles of cargo stowage
• secure cargo on ships
• secure ships using rope
• swim
• types of maritime vessels
• unmoor vessels
• vessel safety equipment

More generally, an ordinary seaman is also versed in:

• Global Maritime Distress and Safety System
• follow hygienic procedures during food processing
• handle cargo
• handle stressful situations
• moor vessels
• perform lookout duties during maritime operations
• sort waste
• use different types of fire extinguishers
• use maritime English

It also helps to know the following:

• perform manual work autonomously
• work in a water transport team
• act reliably
• follow verbal instructions
• follow written instructions
• show confidence
• use different communication channels