Seafarer Work Hours and Rest Periods: Your Rights Under MLC 2006

Fatigue is one of the leading causes of maritime accidents. The Maritime Labour Convention 2006 (MLC) establishes clear limits on working hours and minimum rest requirements to protect seafarer health and safety.

This guide explains your rights regarding work hours and rest periods, helping you understand and enforce these critical protections.

Understanding MLC Work Hour Requirements

Legal Framework

Convention	Coverage
MLC 2006	All seafarers
STCW	Watchkeeping personnel
ILO 180	Hours of Work
Flag State Laws	National implementation

Work Hour Limits

MLC 2006 Standard A2.3:

Limit Type	Requirement
Maximum Working Hours	14 hours in any 24-hour period
Maximum Working Hours	72 hours in any 7-day period
OR
Minimum Rest Hours	10 hours in any 24-hour period
Minimum Rest Hours	77 hours in any 7-day period

Rest Period Rules

Division of Rest:

Rule	Details
Maximum Divisions	2 periods in 24 hours
Minimum Period	One period minimum 6 hours
Between Periods	Maximum 14 hours gap
Weekly Rest	77 hours minimum over 7 days

STCW Additional Requirements

For watchkeeping officers and ratings:

Requirement	Details
Pre-watch Rest	10 hours in 24 hours before duty
Weekend Exception	Rest may be divided into 3 periods
One 6-Hour Block	Still mandatory
Watch Duration	Maximum 4 hours (exceptions apply)

What Counts as Work?

Included as Working Time

Activity	Status
Bridge/Engine Watch	Work
Cargo Operations	Work
Maintenance Tasks	Work
Drills	Work
Administrative Duties	Work
Training Sessions	Work
Safety Rounds	Work
Stand-by Duties	Work

Not Counted as Work

Activity	Status
Meal Times	Rest
Recreation	Rest
Sleep	Rest
Personal Time	Rest
Shore Leave	Rest

Grey Areas

Situation	Classification
Call-outs	Work from call
On-call status	Company policy
Meal during cargo	May be work
Emergency drills at rest	Work (but required)

Record Keeping Requirements

Rest Hour Records

Mandatory Documentation:

Record	Requirement
Daily Rest Hours	Documented daily
Work Activities	Recorded
Exceptions	Noted and justified
Seafarer Signature	Confirming accuracy
Master Approval	Counter-signature

Standard Format

The IMO/ILO standard format includes:

• 24-hour clock
• Work periods marked
• Rest periods marked
• Running 7-day totals
• Monthly review

Record Inspection

Inspector	Access
Port State Control	Full access
Flag State	Full access
Company DPA	Audit access
Seafarer	Personal copy right

Common Violations

Typical Issues

Violation	Description
Insufficient Rest	Less than 10 hours/24 hours
Excessive Work	More than 14 hours/24 hours
Split Rest Problems	More than 2 periods
Weekly Limit Breach	Less than 77 hours/week
False Records	Work marked as rest

Contributing Factors

Factor	Impact
Undermanning	Insufficient crew
Port Stays	Cargo pressure
Emergencies	Extended duties
Watchkeeping Overlap	Poor scheduling
Administrative Tasks	Added burden

Consequences of Violations

For the Ship:

Consequence	Details
PSC Detention	Vessel held in port
Flag State Action	Certificate suspension
Insurance Issues	Coverage questions
Legal Liability	Accident attribution

For Officers:

Consequence	Details
Personal Liability	If accident occurs
Certificate Risk	Flag state action
Career Impact	Compliance record

Your Rights and Actions

Right to Complain

Without Fear of Retaliation:

• Report to Master
• Report to company DPA
• Report to flag state
• Report to port state
• Report to ITF

What to Do If Pressured

If Asked to Work Excessive Hours:

1. Document the request
2. Express concern professionally
3. Reference MLC requirements
4. Request written instruction
5. Comply if safety requires (note under duress)
6. Report afterward

Protecting Yourself

Action	Purpose
Keep Personal Records	Backup documentation
Note Witnesses	Corroboration
Photograph Records	Evidence preservation
Email Concerns	Written trail
Contact Union	External support

Making Complaints

Onboard:

• Use shipboard complaint procedure
• Document in writing
• Request response timeline

Ashore:

• Port state control
• ITF inspector
• Flag state maritime authority
• DG Shipping (Indian vessels)

Exceptions and Flexibility

Permitted Exceptions

Exception	Conditions
Emergency	Safety of ship/persons
Drill	Safety training requirements
Operational Necessity	Master’s authority (limited)
Collective Agreement	Where permitted by law

Emergency Exception

During Emergency:

• No hour limits apply
• Safety is paramount
• Compensatory rest afterward
• Documentation required

Master’s Authority

The Master may suspend schedules for:

• Immediate safety
• Ship in distress
• Cargo/vessel security
• Person in distress

But Must:

• Provide compensatory rest
• Document reasons
• Report to company

Health and Safety Implications

Fatigue Effects

Effect	Impact
Reduced Alertness	Decision errors
Slower Reactions	Emergency response
Poor Judgment	Risk assessment
Communication Errors	Team coordination
Physical Coordination	Manual tasks

Fatigue Signs

Sign	Warning Level
Yawning	Early
Difficulty Concentrating	Moderate
Micro-sleeps	Severe
Irritability	Moderate
Memory Lapses	Moderate

Self-Management

Strategy	Implementation
Quality Sleep	Dark, quiet cabin
Regular Meals	Nutrition timing
Limited Caffeine	Avoid dependency
Exercise	When rested
Report Fatigue	Before incidents

Company Responsibilities

Safe Manning

Company Must:

Responsibility	Requirement
Adequate Crew	Per safe manning certificate
Proper Scheduling	Compliant watches
Overtime Management	Within limits
Relief Planning	Shore leave coverage

Training and Awareness

Required Training:

Topic	Coverage
Fatigue Awareness	Recognition, management
MLC Requirements	Legal obligations
Record Keeping	Proper documentation
Reporting Procedures	How to raise concerns

Monitoring Systems

System	Purpose
Software Tracking	Automated monitoring
Audit Procedures	Compliance verification
Reporting Channels	Issue escalation
Corrective Action	Non-compliance response

Port State Control Focus

PSC Inspection Points

Check	Focus
Records Review	3-month sample
Crew Interviews	Actual experience
Watch Schedules	Compliance
Manning Certificate	Adequate crew

Deficiency Categories

Code	Deficiency
01314	Hours of work/rest
01315	Watch schedules
Various	Related issues

Avoiding Detentions

Action	Purpose
Accurate Records	Documented compliance
Proper Schedules	Planned compliance
Crew Training	Understanding requirements
Self-Audit	Identify issues early

International Variations

Regional Differences

Region	Notes
USA (USCG)	Strict enforcement
Europe (Paris MOU)	Active inspection
Australia (AMSA)	Crew interviews common
Asia	Variable enforcement

Flag State Variations

Some flag states permit:

• Collective agreements
• Alternative rest schedules
• Extended exceptions

Always Check:

• Your SEA (Seafarer Employment Agreement)
• Collective bargaining agreements
• Flag state specific rules

Get Support for Work Hour Issues

Understanding and enforcing your work hour rights is essential for your safety and career. SailorGPT can help you understand your rights and navigate difficult situations.

Chat with SailorGPT for Work Hour Guidance →

Conclusion

Work hour and rest requirements exist to protect your health and safety. Understanding your rights enables you to ensure compliance and protect yourself from fatigue-related risks.

Key takeaways:

• Minimum 10 hours rest per 24 hours
• Maximum 14 hours work per 24 hours
• Records must be accurate
• You have the right to complain
• Documentation is your protection

Your safety depends on adequate rest. Know your rights and protect them.

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Facing work hour issues onboard? SailorGPT provides guidance on your rights under MLC 2006 and how to address violations safely. Get Help →