SOLAS Requirements for Fire Extinguishers on Cargo Ships: Complete Guide to Marine Fire Safety and Compliance

Fire safety is one of the most critical aspects of maritime operations. A fire onboard a cargo ship can threaten crew lives, damage valuable cargo, disrupt vessel operations and cause significant environmental damage. Since ships operate far from shore-based emergency services, properly installed, inspected and maintained firefighting equipment is essential.

The International Convention for the Safety of Life at Sea (SOLAS) establishes international requirements for fire protection, fire detection and fire extinction onboard ships. Under SOLAS Chapter II-2, cargo ships must carry appropriate firefighting equipment, including portable fire extinguishers, fire hoses, fire detection systems and fixed fire-extinguishing arrangements, depending on the vessel's type and configuration.

For shipowners, technical superintendents, ship managers and marine operators, understanding the SOLAS requirements for fire extinguishers on cargo ships is essential to maintaining statutory compliance and ensuring onboard safety.

In this guide, we explain the important SOLAS regulations, portable fire extinguisher requirements, equipment locations, inspection procedures and maintenance considerations for cargo ships.

1. What Are the SOLAS Requirements for Fire Extinguishers on Cargo Ships?

The primary regulatory reference for shipboard fire safety is SOLAS Chapter II-2 – Construction: Fire Protection, Fire Detection and Fire Extinction.

Regulation II-2/10 specifically addresses firefighting arrangements and equipment. It requires firefighting appliances to be readily available and suitable fixed fire-extinguishing systems to be installed, taking into account the fire risks associated with protected spaces.

The main requirements applicable to portable fire extinguishers include:

• Portable fire extinguishers must comply with the applicable requirements of the International Fire Safety Systems (FSS) Code.
• Suitable types and sufficient numbers of extinguishers must be provided in accommodation spaces, service spaces and control stations.
• One extinguisher intended for use in a space must be positioned near its entrance.
• Extinguishers must be easily visible and readily accessible.
• Their condition and serviceability must not be affected by weather, vibration or other external factors.
• Used or discharged extinguishers must be immediately recharged or replaced with an equivalent unit.
• Appropriate spare charges or replacement extinguishers must be carried as required.

The number, type and distribution of portable fire extinguishers depend on the vessel's construction date, gross tonnage, space arrangement, cargo carried and applicable flag and classification requirements.

2. Minimum Number of Portable Fire Extinguishers on Cargo Ships

Under SOLAS Chapter II-2, Regulation 10.3.2.1, accommodation spaces, service spaces and control stations must be provided with suitable portable fire extinguishers in sufficient numbers to the satisfaction of the Administration.

For ships of 1,000 gross tonnage and upwards, at least five portable fire extinguishers must be provided for these spaces.

However, this requirement should not be interpreted as the total number of extinguishers required throughout the vessel.

Additional extinguishers are required depending on machinery spaces, workshops, cargo arrangements, special spaces and other applicable provisions.

For example:

Important: The exact number and arrangement must be checked against SOLAS Regulation II-2/10, the FSS Code, applicable IMO unified interpretations and the vessel's approved fire control plan.

3. Fire Extinguisher Requirements in Cargo Spaces

Cargo spaces present different fire hazards depending on the type of cargo carried onboard.

General cargo, packaged dangerous goods, vehicles and containerised cargo can involve different fire risks. Therefore, the required firefighting arrangements must be assessed according to the vessel's design and cargo operation.

A. General Cargo Spaces

Portable fire extinguisher arrangements for general cargo spaces must be assessed against the applicable SOLAS requirements and the unified interpretation of SOLAS Chapter II-2.

The presence of a cargo hold does not automatically mean that an additional portable extinguisher is required in every hold.

B. Cargo Spaces Carrying Dangerous Goods

When dangerous goods are carried, additional firefighting equipment may be required.

Under the relevant interpretation of SOLAS Chapter II-2, two portable fire extinguishers, each with a capacity of at least 6 kg of dry powder or equivalent, should be provided for applicable cargo spaces carrying dangerous goods.

The precise arrangements must be checked against the applicable provisions for the dangerous goods, cargo space and vessel configuration.

C. Vehicle and Ro-Ro Cargo Spaces

Vehicle spaces and Ro-Ro spaces have specific portable fire extinguisher requirements.

Under SOLAS Regulation II-2/6.2.1, portable fire extinguishers must be provided:

• At each deck level in each hold or compartment where vehicles are carried.
• At intervals not exceeding 20 metres on both sides of the space.
• At least one portable fire extinguisher must be located at each access to the cargo space.

Additional firefighting appliances, including water-fog applicators and portable foam applicator units, are required in applicable vehicle, Ro-Ro and special category spaces intended for motor vehicles carrying fuel in their tanks for their own propulsion.

These arrangements are important for controlling vehicle fires and reducing the risk of fire spreading between cargo units.

4. Types of Fire Extinguishers Used on Cargo Ships

Different fire extinguishing agents are suitable for different types of onboard fire hazards.

The selection of portable fire extinguishers should consider the fire classification, potential hazards, equipment compatibility and applicable approval requirements.

A. Dry Chemical Powder (DCP) Fire Extinguishers

DCP extinguishers are commonly used onboard vessels because of their effectiveness against several types of fire.

Typical applications include:

• Flammable liquid fires.
• Flammable gas fires.
• Electrical equipment fires, where the extinguisher is appropriately rated.

ABC powder extinguishers are also available for fires involving ordinary combustible materials.

B. Carbon Dioxide (CO2) Fire Extinguishers

CO2 extinguishers are commonly used for electrical equipment and flammable liquid fire risks.

Typical applications include:

• Electrical switchboards.
• Control panels.
• Electronic equipment areas.
• Machinery-related electrical hazards.

CO2 extinguishers must not be placed in accommodation spaces under SOLAS Regulation II-2/10.3.2.3.

C. Foam Fire Extinguishers

Foam extinguishers are suitable for certain flammable liquid fires and are commonly used in locations where liquid fuel or oil hazards exist.

Typical applications include:

• Fuel handling areas.
• Machinery-related fire hazards.
• Workshops and selected service spaces.

D. Water and Water-Based Fire Extinguishers

Water-based extinguishers are primarily suitable for ordinary combustible materials, subject to the specific extinguisher approval and fire classification.

They must not be used on electrical equipment or other incompatible hazards unless specifically designed and approved for that application.

E. Wet Chemical Fire Extinguishers

Wet chemical extinguishers are particularly suitable for fires involving cooking oils and fats.

They are commonly associated with galley fire protection arrangements.

The correct selection of extinguishing media is essential because using an unsuitable extinguisher can increase the danger during a fire emergency.

5. SOLAS Requirements for Fire Extinguisher Locations Onboard Ships

Correct positioning is just as important as the number of extinguishers carried onboard.

SOLAS Regulation II-2/10.3.2.2 requires one portable fire extinguisher intended for use in any space to be stowed near the entrance to that space.

The extinguishers should be:

• Installed in clearly visible locations.
• Easily accessible during emergencies.
• Properly secured using suitable mounting brackets.
• Protected against corrosion and external damage.
• Positioned without obstructing emergency escape routes.
• Provided with appropriate operating instructions.
• Identified through suitable fire safety signs.

The location and arrangement of extinguishers should also correspond with the vessel's approved fire control plan.

Crew members must be familiar with the locations of extinguishers and understand which equipment should be used for different types of fire.

6. Spare Charges and Replacement Fire Extinguishers

SOLAS Chapter II-2/10.3.3 addresses the provision of spare charges for portable fire extinguishers that can be recharged onboard.

The requirements include:

• Spare charges for 100% of the first ten extinguishers.
• Spare charges for 50% of the remaining extinguishers capable of being recharged onboard.
• A maximum requirement of 60 spare charges in total.

For extinguishers that cannot be recharged onboard, additional portable extinguishers of the same quantity, type, capacity and number as determined by the applicable spare-charge calculation must be provided instead.

Instructions for recharging must be available onboard.

Only spare charges approved by the extinguisher manufacturer should be used.

These provisions ensure that firefighting capability can be restored promptly after extinguishers have been discharged.

7. Inspection and Maintenance of Marine Fire Extinguishers

Carrying approved extinguishers is not sufficient if they are not maintained in proper working condition.

SOLAS Chapter II-2/14 and the relevant IMO maintenance guidance establish the importance of maintaining firefighting equipment in good working order and readily available for immediate use.

The maintenance plan should include portable fire extinguishers and spare charges, where applicable.

The maintenance and inspection programme should follow MSC.1/Circ.1432, as amended by MSC.1/Circ.1516, and other applicable requirements.

A typical marine fire extinguisher inspection programme includes the following activities:

A. Visual Inspection

Check the following:

• Cylinder body condition.
• Corrosion, dents and physical damage.
• Safety pin and tamper seal.
• Discharge hose and nozzle.
• Operating instructions and identification labels.
• Mounting brackets.
• Pressure gauge, where fitted.

B. Pressure and Weight Verification

Depending on the extinguisher design, verify:

• Operating pressure.
• Total weight.
• Extinguishing agent quantity.
• Cartridge condition.
• Signs of leakage or pressure loss.

C. Internal Examination and Servicing

Where required by the applicable maintenance schedule and manufacturer instructions, the extinguisher should undergo internal inspection and servicing.

The procedure may include:

• Disassembly.
• Internal cylinder examination.
• Inspection of valves and operating components.
• Verification of extinguishing media.
• Recharging with the correct agent.
• Replacement of defective parts.
• Reassembly and sealing.

D. Hydrostatic Pressure Testing

Hydrostatic testing is important for verifying the structural integrity of extinguisher cylinders.

Under IMO Resolution A.951(23), extinguishers and propellant cartridges should be hydraulically tested in accordance with recognised standards or manufacturer instructions at intervals not exceeding ten years.

Applicable cylinder-specific requirements, manufacturer instructions and flag-state rules must also be considered.

E. Documentation and Records

The vessel should maintain proper inspection and maintenance records.

Documentation may include:

• Inspection reports.
• Servicing certificates.
• Hydrostatic test records.
• Recharging details.
• Equipment identification numbers.
• Defect reports.
• Corrective action records.

Proper documentation helps demonstrate compliance during statutory surveys, classification inspections and Port State Control examinations.

8. Important IMO Regulations and References for Marine Fire Extinguishers

Shipowners and technical managers should be familiar with the following regulatory references:

These references should be read together with the latest applicable amendments, flag-state requirements, class rules and manufacturer instructions.

9. Common Fire Extinguisher Deficiencies Found During Ship Inspections

During onboard inspections, fire extinguishers may be identified as deficient due to improper maintenance, incorrect positioning or missing documentation.

Some common deficiencies include:

1. Expired or overdue servicing.
2. Missing safety pins or broken tamper seals.
3. Low pressure or incorrect extinguisher weight.
4. Corroded or damaged extinguisher cylinders.
5. Blocked or damaged discharge hoses.
6. Missing operating instructions.
7. Incorrect extinguisher type for the protected space.
8. Inaccessible or improperly secured extinguishers.
9. Missing inspection and maintenance records.
10. Overdue hydrostatic pressure testing.

Ship operators should address such deficiencies promptly to maintain firefighting readiness and reduce the possibility of regulatory non-compliance.

10. Marine Fire Fighting Appliances Service in India – Marinetech Safety Pvt. Ltd.

Marinetech Safety Pvt. Ltd. is an India-based marine safety equipment servicing and supply company providing comprehensive solutions for shipowners, ship managers, technical superintendents and vessel operators.

The company specialises in the inspection, maintenance, testing, servicing and supply of marine lifesaving and firefighting appliances.

With technical expertise, trained engineers and established service infrastructure, Marinetech supports vessels requiring reliable marine fire safety equipment services at major Indian maritime locations.

Our Marine Fire Fighting Equipment Services

Our firefighting equipment service portfolio includes:

• Portable and wheeled fire extinguisher inspection and servicing.
• Fire extinguisher refilling and recharging.
• Hydrostatic pressure testing.
• Fire hose and nozzle inspection and pressure testing.
• SCBA sets and cylinder servicing.
• EEBD inspection and servicing.
• Fixed CO2 fire suppression system servicing.
• Foam system inspection and maintenance.
• Wet chemical fire suppression systems.
• Water mist systems.
• Clean-agent fire suppression systems.
• Fire detection and alarm system inspection.
• Breathing air analysis and foam analysis.

Why Choose Marinetech Safety Pvt. Ltd.?

Marinetech provides marine safety equipment services backed by technical capabilities and industry approvals.

Our capabilities include:

• Approvals from leading classification societies, including ABS, BV, DNV, RINA, ClassNK, IRS, DGS, Lloyd's Register, Korean Register and CCS, for applicable services.
• More than 10 years of marine industry experience.
• 40+ qualified engineers.
• Dedicated service stations and technical facilities.
• Manufacturer approvals for selected marine firefighting equipment.
• Inspection, maintenance, testing and certification support for applicable equipment.

Our objective is to help shipowners and vessel operators maintain their firefighting appliances in reliable working condition and support compliance with applicable maritime safety requirements.

Looking for professional marine fire extinguisher servicing in India?

Explore our complete range of Fire Fighting Appliances Inspection, Servicing and Maintenance.

For fire extinguisher inspection, refilling, hydrostatic testing, SCBA servicing, fixed CO2 system maintenance and other marine firefighting services, contact the Marinetech technical team.

11. Marine Fire Extinguisher Servicing at Major Indian Ports

For vessels calling at Indian ports, timely maintenance and inspection of firefighting equipment are important for maintaining operational readiness.

Marinetech Safety Pvt. Ltd. supports marine safety equipment servicing requirements across major maritime locations in India, including:

• Mumbai
• Nhava Sheva / JNPT
• Mundra
• Kandla
• Surat
• Hazira
• Sikka
• Jamnagar
• Visakhapatnam (Vizag)
• Chennai
• Paradip

Shipowners and technical managers can coordinate their firefighting appliance servicing requirements according to vessel schedules and applicable service arrangements.

12. Conclusion: Maintaining SOLAS Compliance for Fire Extinguishers on Cargo Ships

Fire extinguishers are among the most important first-response firefighting appliances onboard cargo ships. SOLAS Chapter II-2 establishes requirements for their selection, distribution, accessibility, maintenance and operational readiness.

Shipowners and vessel operators must ensure that all extinguishers are suitable for their intended applications, correctly positioned, regularly inspected and properly maintained.

Understanding SOLAS requirements, following IMO maintenance guidelines and keeping accurate servicing records can help reduce onboard fire risks and support compliance during statutory and Port State Control inspections.

Marinetech Safety Pvt. Ltd. – Your Marine Fire Fighting Appliances Service Partner in India

Whether you require fire extinguisher inspection, refilling, hydrostatic testing, fire hose testing, SCBA servicing or fixed firefighting system maintenance, Marinetech provides marine safety equipment servicing and supply solutions for vessels operating across India.

Contact Marinetech Safety Pvt. Ltd.

Website: https://marinetechss.com/

Fire Fighting Appliances Service: https://marinetechss.com/services/fire-fighting-appliances

Email: info@marinetechss.com

Phone: +91 72270 38216 | +91 79 7743 0002

NAVIGATING SAFETY, SUPPLYING CONFIDENCE.

Frequently Asked Questions (FAQs)

1. What are the SOLAS requirements for fire extinguishers on cargo ships?

SOLAS Chapter II-2, Regulation 10 establishes requirements for portable fire extinguishers, including suitable types, sufficient quantities, correct positioning, accessibility and maintenance. The exact arrangements depend on the vessel's type, size, spaces and applicable regulations.

2. How many fire extinguishers are required on a cargo ship?

Under SOLAS II-2/10.3.2.1, ships of 1,000 GT and upwards must carry at least five portable fire extinguishers for accommodation spaces, service spaces and control stations. Additional extinguishers are required depending on machinery spaces, cargo arrangements and other applicable requirements.

3. Where should fire extinguishers be located onboard cargo ships?

Fire extinguishers should be installed in clearly visible and easily accessible locations. Under SOLAS II-2/10.3.2.2, one extinguisher intended for use in a space must be stowed near its entrance. Vehicle and Ro-Ro spaces have additional distribution requirements.

4. Which types of fire extinguishers are used onboard cargo ships?

Common types include dry chemical powder, CO2, foam, water-based and wet chemical extinguishers. The selection depends on the fire hazards, protected space and compatibility of the extinguishing agent.

5. What are the SOLAS requirements for spare fire extinguisher charges?

SOLAS II-2/10.3.3 requires spare charges for 100% of the first ten extinguishers and 50% of the remaining extinguishers capable of being recharged onboard, subject to a maximum of 60 spare charges. Additional replacement extinguishers are required for units that cannot be recharged onboard.

6. How often should marine fire extinguishers be inspected and serviced?

Fire extinguishers should be regularly inspected and maintained according to SOLAS, applicable IMO guidance, flag-state requirements, classification society requirements and manufacturer instructions. The vessel's maintenance plan should establish the required inspection and servicing schedule.

7. Is hydrostatic testing required for marine fire extinguishers?

Yes. IMO Resolution A.951(23) provides that extinguishers and propellant cartridges should be hydraulically tested according to recognised standards or manufacturer instructions at intervals not exceeding ten years. Applicable cylinder-specific requirements must also be followed.

8. Where can I get SOLAS-compliant marine fire extinguisher servicing in India?

Marinetech Safety Pvt. Ltd. provides marine fire extinguisher inspection, refilling, maintenance and hydrostatic testing, along with other firefighting equipment services. The company supports vessels at major Indian maritime locations, including Mumbai, Mundra, Surat, Jamnagar, Vizag, Chennai and other ports. Visit https://marinetechss.com/services/fire-fighting-appliances/ for service details.