Lifebuoys with Self-Igniting Light – SOLAS Requirements and Marine Safety
Introduction
A Lifebuoy with Self-Igniting Light is one of the most essential life-saving appliances (LSA) on board ships. Its purpose is to aid in man overboard (MOB) situations by providing buoyancy to the casualty and visibility to rescuers, even during night operations.
Under SOLAS Chapter III (Regulation 7.1) and the LSA Code, every vessel must carry a specified number of lifebuoys, many of which must be equipped with self-igniting lights and self-activating smoke signals. These lights activate automatically when the lifebuoy is released into the water, ensuring that both the casualty and the rescue location can be seen from the ship and nearby rescue craft.
Functions of Lifebuoys with Self-Igniting Lights
Marking the location of a man overboard.
Illuminating the casualty’s position during night or low-visibility situations.
Complying with IMO/SOLAS requirements for lifesaving equipment.
Guiding rescue boats towards the casualty for safe recovery.
SOLAS and IMO Regulations for Lifebuoys
According to SOLAS Chapter III and the Life-Saving Appliances (LSA) Code
Cargo ships of 500 GT and above must carry at least 8 lifebuoys.
Passenger ships must carry at least 8–30 lifebuoys depending on ship length.
At least half of the total lifebuoys must be fitted with self-igniting lights.
At least two lifebuoys with self-igniting light and smoke signals must be provided, capable of quick release from the bridge wings.
Lights must be
White in color.
Self-igniting (automatic upon water entry).
Capable of burning for not less than 2 hours with luminous intensity of at least 2 candelas.
Types of Self-Igniting Lights
There are several types of self-igniting lights used with lifebuoys
1. Dry Cell Battery Type
Powered by sealed dry batteries.
Reliable and long-lasting.
Require periodic replacement of the battery unit.
2. Alkaline/ Lithium Battery Type
Compact and lightweight.
Provide consistent brightness.
Longer shelf life than traditional dry cells.
3. LED-Based Lifebuoy Lights
Highly efficient with low power consumption.
Long operational life (often more than 2 years standby).
Bright white light with improved visibility.
Key Features of Lifebuoys with Self-Igniting Lights
Automatic activation Switches on upon water contact.
Visibility Must be visible at a distance of at least 2 nautical miles in clear weather.
Durability Resistant to water ingress, salt, and harsh marine conditions.
Ease of installation Mounted on lifebuoy brackets with quick-release arrangements.
Compact design Lightweight and easy to handle during emergencies.
Placement and Installation on Ships
Lifebuoys are strategically positioned around the vessel’s open deck, bridge wings, and near lifeboat launching stations.
Two lifebuoys with self-igniting light and smoke signal must be readily available for immediate release.
Others are placed near man overboard recovery areas for quick deployment.
Maintenance and Servicing
Routine maintenance ensures reliability during emergencies
Visual checks – ensure lifebuoy light casing is intact and free of corrosion.
Battery replacement – as per manufacturer’s instructions (generally every 2–3 years).
Functional testing – carried out during annual safety equipment inspections.
Expiry date check – ensure compliance with SOLAS requirements.
Certification – serviced and certified by authorized providers during annual/5-yearly surveys.
Importance in Marine Safety
In a man overboard situation at night, immediate visibility is crucial. The lifebuoy light not only helps the casualty stay afloat but also allows the bridge team and rescue boats to pinpoint the casualty’s location quickly. Many maritime accidents highlight that delays in locating a person in water drastically reduce survival chances.
Thus, having fully functional lifebuoys with self-igniting lights directly enhances survival probability and ensures compliance with international safety standards.
FAQs on Lifebuoys with Self-Igniting Lights
Q1. Why are lifebuoys fitted with self-igniting lights?
They help locate and illuminate a person overboard during nighttime or poor visibility conditions, ensuring quicker rescue.
Q2. How long must a lifebuoy light last as per SOLAS?
It must burn continuously for at least 2 hours with an intensity of not less than 2 candelas.
Q3. How many lifebuoys with self-igniting lights are required on ships?
At least half of the total lifebuoys on board must be fitted with self-igniting lights.
Q4. Can lifebuoys have both light and smoke signals?
Yes, at least two lifebuoys must be fitted with a self-igniting light and a self-activating smoke signal, placed near bridge wings for immediate release.
Q5. Who can service and certify lifebuoy lights?
Only approved and authorized service providers recognized by flag states and class societies.
Conclusion
Lifebuoys with self-igniting lights are a mandatory and vital life-saving appliance on every seagoing vessel. They ensure compliance with SOLAS Chapter III and IMO requirements while significantly improving safety during man overboard emergencies. Regular inspections, servicing, and timely replacement of batteries or units are essential to maintain readiness.
✅ Ftron Technology provides complete solutions for annual service, five-yearly inspections, supply, repair, maintenance, and certification of lifebuoys with self-igniting lights, ensuring compliance with IMO and SOLAS regulations across global fleets.
