What is the Maritime Labour Convention 2006?

The Maritime Labour Convention 2006 (MLC 2006) is a binding international treaty adopted by the International Labour Organization (ILO) that establishes minimum standards for working and living conditions aboard ships. Often called the “Seafarers’ Bill of Rights,” MLC 2006 applies to virtually all seagoing vessels and covers all seafarers regardless of nationality, employment status, or vessel flag state.

MLC 2006 entered into force on August 20, 2013, and has been ratified by 99 countries representing approximately 99% of global shipping tonnage. This near-universal adoption makes it one of the most effective international labor standards in existence. The convention represents a watershed moment in maritime labor law, consolidating decades of ILO maritime labor standards into a single, comprehensive, and legally enforceable framework.

Unlike many international agreements that apply only to specific countries or regions, MLC 2006 creates a level playing field for the global shipping industry by requiring all participating states to enforce consistent maritime labor standards. This prevents “flagging out” to countries with weaker labor protections—a common maritime industry practice before MLC 2006.

Core Principles and Scope of MLC 2006

MLC 2006 is built on four foundational principles that define its scope and application:

1. Principle of Universality

The convention applies to all ships and all seafarers, with very few exceptions. Excluded vessels include: military vessels, fishing vessels under 24 meters, historical vessels, pleasure yachts, and ships operating solely within sheltered waters. However, flag states are encouraged to apply MLC 2006 to excluded vessels voluntarily.

2. Principle of Shared Responsibility

Multiple stakeholders share responsibility for MLC 2006 compliance: flag states (vessel’s nationality), port states (authorities at destination ports), coastal states, shipowners, employers, and seafarers themselves. This shared responsibility model recognizes that no single entity can enforce maritime labor standards alone in the decentralized global shipping industry.

3. Principle of Decent Work

MLC 2006 guarantees that every seafarer has a right to “decent working and living conditions on board ship and health protection, medical care, welfare measures and other forms of social protection.” This principle acknowledges that maritime work differs fundamentally from land-based employment due to the isolation, danger, and unique stressors of extended sea voyages.

4. Principle of Flexibility

Flag states may accommodate specific maritime contexts (small ships, developing countries, regional variations) through “equivalency provisions” that achieve MLC 2006’s objectives through alternative means. This flexibility ensures the convention remains applicable across diverse maritime industries and national contexts.

Seafarer Rights Under MLC 2006: A Comprehensive Breakdown

MLC 2006 protects seafarers through five core rights categories. Understanding these rights is essential for any person working aboard vessels in international commerce.

Right 1: Safe and Secure Employment

Employment Contracts: Every seafarer must have a written employment contract before joining a vessel. This contract must specify:

• Position and workplace (vessel identification)
• Duration of employment (fixed-term or open-ended)
• Compensation structure and wage details
• Hours of work and rest periods
• Leave and shore leave entitlements
• Repatriation arrangements and costs
• Dispute resolution procedures

Key Protection: The contract must be provided to the seafarer before employment begins and in a language the seafarer understands. Changes to terms require the seafarer’s written consent. This protects vulnerable seafarers from exploitation through hidden or unfair contract terms.

Workplace Standards: Shipowners must maintain vessels in compliance with international safety standards (SOLAS, COLREG, STCW) and conduct regular safety audits. Seafarers have the right to a workplace free from hazardous conditions, with proper safety equipment, emergency procedures, and crew training.

Right 2: Fair Wages and Timely Payment

Wage Guarantees: MLC 2006 requires shipowners to ensure seafarers receive fair compensation for their work. Key wage protections include:

Wage Protection Mechanisms: If a shipowner fails to pay wages, seafarers can pursue recovery through: (1) filing a complaint with flag state authorities; (2) filing a complaint with port state authorities during inspections; (3) accessing the ILO Seafarers’ Wages Protection Fund (established in 2013 to pay unpaid wages when shipowners default). This fund represents a major breakthrough in maritime labor protection, as seafarers can receive guaranteed payment even if their employer becomes insolvent.

Right 3: Decent Working and Living Conditions

Working Hours and Rest: MLC 2006 sets strict limits on working hours to prevent fatigue-related accidents:

• Maximum working hours: 14 hours in any 24-hour period; 72 hours in any 7-day period
• Minimum rest hours: 10 hours in any 24-hour period; 77 hours in any 7-day period
• Watch-keeping requirements: Seafarers standing watch must have adequate rest periods to prevent fatigue
• Exception procedures: Shipowners may extend work hours during emergencies but must provide compensatory rest afterwards

Rationale: Maritime accident investigations consistently identify fatigue as a contributing factor. Unlike shore-based workers who can safely go home tired, exhausted seafarers operate in high-risk environments where alertness is life-or-death critical.

Accommodation Standards: Vessels must provide seafarers with safe, sanitary accommodation including:

• Separate sleeping quarters (typically shared cabins, single for senior officers)
• Adequate ventilation, temperature control, and natural light
• Bathroom facilities with hot and cold running water
• Safe storage for personal belongings
• Recreation areas and communication facilities (phone/internet access)
• Designated areas for crew rest, not accessible to cargo or work areas

Food and Nutrition: Ships must provide:

• Nutritious meals prepared by trained cooks or food service staff
• Meals complying with seafarers’ dietary and cultural requirements
• Safe food storage and preparation facilities meeting health standards
• Clean drinking water and beverages available 24/7

Right 4: Health Protection, Medical Care, and Welfare

Medical Facilities Onboard: Ships must maintain medical equipment and trained personnel commensurate with vessel size and voyage duration:

• First-aid kits and emergency medical supplies
• Sick bay facilities for ships on extended voyages
• Trained crew member with basic medical knowledge
• Radio or satellite communication for telemedicine consultation
• Medical evacuation protocols and arrangements with coastal rescue services

Shore-Based Medical Care: Shipowners must arrange access to shore-based medical treatment when vessels visit ports. Seafarers are entitled to emergency medical treatment ashore at no personal cost. Many vessels maintain standing agreements with port hospitals for crew medical services.

Occupational Health and Safety: Shipowners must:

• Conduct workplace risk assessments and maintain safety management systems
• Provide personal protective equipment (PPE) appropriate to assigned duties
• Conduct mandatory safety drills (lifeboat, fire, emergency procedures)
• Investigate accidents and implement corrective measures
• Provide safety training before seafarers undertake hazardous duties

Welfare and Social Support: Vessels must provide:

• Access to communication with family and shore (phone, email, internet)
• Recreation facilities and activities to prevent isolation-related mental health issues
• Repatriation assistance if employment ends unexpectedly
• Access to counseling or support services for mental health concerns

Right 5: Freedom of Association and Collective Bargaining

Union Rights: Seafarers have protected rights to:

• Join trade unions or seafarer associations of their choice
• Participate in union activities without discrimination or retaliation
• Collectively bargain employment terms through union representatives
• Access union representatives aboard vessel without shipowner interference

Protection Against Retaliation: MLC 2006 explicitly prohibits shipowners from discriminating against seafarers who exercise union rights or file complaints about MLC 2006 violations. This protection recognizes that isolated seafarers aboard vessels need special protections against employer retaliation.

Shipowner Obligations and Compliance Requirements

Ship operators and vessel owners bear primary responsibility for MLC 2006 compliance. Non-compliance carries significant legal and financial consequences.

Key Shipowner Obligations

Maritime Labour Certificate (MLC Certificate)

The MLC Certificate is a vessel’s “credentials” proving MLC 2006 compliance. Every vessel trading internationally under flag of an MLC 2006-ratifying state must possess a valid certificate. The certificate is granted after successful inspection by the flag state’s maritime authority, confirming the vessel meets all MLC 2006 standards.

Key points about MLC Certificates:

• Valid for 5 years; subject to annual interim inspection
• Certificate specifies vessel name, IMO number, and flag state
• Lists areas of compliance and any outstanding deficiencies
• Displayed in crew accommodation area
• Verified during port state control inspections

Vessels without valid MLC Certificates are subject to detention at ports and may be prohibited from trading, making compliance economically essential for shipowners.

Enforcement Mechanisms and Port State Control

MLC 2006 enforcement occurs through multiple channels designed to ensure consistent global implementation.

Flag State Responsibility

Vessels’ flag states (countries of registry) are primarily responsible for MLC 2006 enforcement on their vessels. Flag states must:

• Inspect vessels to verify MLC 2006 compliance
• Issue or deny MLC Certificates based on inspection results
• Investigate complaints from seafarers or maritime labor inspectors
• Take corrective action for non-compliance (fines, certificate revocation, detention)
• Report enforcement activities to the ILO annually

Port State Control Inspections

Port state authorities have the power to conduct unannounced inspections of vessels in their ports to verify MLC 2006 compliance. This enforcement mechanism is critical because it allows independent verification of shipowner claims and catches violations that flag states miss.

Port state authorities can:

• Board vessels and inspect working and living conditions
• Interview seafarers confidentially about working conditions, wages, hours
• Examine employment contracts and wage records
• Verify medical certificates and crew qualifications
• Detain vessels with serious MLC 2006 violations
• Impose detention orders preventing vessel departure
• Fine shipowners for non-compliance

Detention Decision Process: If port state inspectors find serious deficiencies (unpaid wages, unsafe conditions, inadequate crew rest), they can immediately detain the vessel. The shipowner must remediate the deficiency before the vessel is permitted to sail. This detention authority provides powerful leverage for seafarer protection, as detention creates significant economic pressure on shipowners to comply.

Seafarer Complaint Mechanisms

Individual seafarers can lodge formal complaints about MLC 2006 violations through:

• Flag state maritime labor authorities (typically maritime administration)
• Port state authorities at any port visited (port state control)
• Seafarers’ unions and maritime labor organizations
• International Labour Organization (ILO)

Complaints trigger investigations and can result in vessel detention, shipowner fines, and corrective measures. MLC 2006 explicitly protects seafarers from retaliation for filing complaints.

Common MLC 2006 Violations and Their Consequences

Port state control data from major maritime regions reveals these violations occur most frequently:

Data Source: Port State Control (PSC) inspections by the Tokyo MOU, Paris MOU, and other regional PSC organizations.

Special Considerations: Migrant Seafarers and Vulnerable Workers

The vast majority of modern seafarers are migrant workers from developing nations (Philippines, India, Ukraine, Indonesia, Myanmar). This creates unique vulnerability to exploitation because:

• Language barriers prevent understanding of contract terms
• Debt bonding and recruitment agency fees create financial vulnerability
• Isolation at sea prevents access to legal help
• Fear of deportation or visa revocation discourages complaint-filing
• Lack of shore-based family or community support networks

MLC 2006 includes specific protections for vulnerable workers:

• Employment contracts must be provided in seafarer’s native language
• Recruitment agencies must be licensed and regulated
• Advance notice and consent required for employment term changes
• Protected complaint mechanisms that don’t jeopardize immigration status
• Wage protection mechanisms specifically designed for migrant workers

Frequently Asked Questions About MLC 2006

The International Maritime Organization (IMO) and MLC 2006 Implementation

The International Maritime Organization serves as custodian of MLC 2006, working with the International Labour Organization (ILO) to ensure consistent implementation globally. The IMO promotes flag state compliance, coordinates regional port state control organizations, and facilitates information sharing among maritime nations.

The ILO’s Seafarers’ Branch specifically monitors MLC 2006 compliance and publishes annual reports on enforcement activities, common violations, and emerging issues affecting seafarers.

Your Rights Matter

MLC 2006 represents a watershed moment in maritime labor protection. For the first time in maritime history, international law comprehensively protects seafarers’ fundamental rights to fair wages, safe working conditions, adequate rest, medical care, and freedom of association. These protections apply globally across virtually all commercial vessels, creating genuine accountability for shipowners.

If you work at sea, know your rights under MLC 2006. If you experience violations, use the complaint mechanisms available to you. Port state control inspections occur regularly at major ports, and port state authorities have powerful detention authority to compel shipowner compliance. Your complaints drive enforcement and protect other seafarers.

Related content: Understanding Offshore Worker Injury Claims | Seafarer Rights and Legal Protections