FEATURE

Mercury Maritime Crew Conference 2025 Strengthens Commitment to Seafarers
Oct 03, 2025

The Mercury Maritime Crew Conference 2025 of Mercury Maritime Enterprises Co. S.A. successfully took place at the Admiral Hotel in Manila on October 3, 2025. The event gathered company executives, fleet officers, and seafarers for a full-day program centered on performance, innovation, and crew welfare.

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EDUCATIONAL

2-Stroke Marine Diesel Engine

2- STROKE MARINE DIESEL ENGINE A 2-stroke marine diesel engine is a type of internal combustion engine that completes all four stages of operation intake, compression, combustion, and exhaust in two piston strokes (one crankshaft revolution). It is primarily used in large ships such as tankers, container vessels, and bulk carriers because of its high power output, fuel efficiency, and ability to run continuously for long periods. The engine is designed to deliver maximum torque at low revolutions per minute (RPM), making it ideal for direct propulsion of heavy marine vessels. Purpose The main purpose of a 2-stroke marine diesel engine is to generate continuous propulsion power for ships during long-distance voyages. It provides high torque and efficiency at low speed, enabling vessels to move massive loads across oceans while minimizing fuel consumption. Its robust design, long service life, and ability to operate on different fuel types from heavy fuel oil (HFO) to marine diesel oil (MDO) make it the backbone of commercial marine propulsion. Background and History The concept of the 2-stroke engine emerged in the late 19th century, pioneered by Dugald Clerk (1878) and Joseph Day (1891). In the early 20th century, diesel technology replaced steam propulsion as shipping demanded greater efficiency. By the 1930s, manufacturers like Sulzer, MAN B&W, and Mitsubishi developed large-scale crosshead-type 2-stroke engines, setting the standard for ocean-going ships. Since the 1960s, these engines have dominated maritime transport, evolving to meet stricter emission and fuel efficiency standards. Main Components and Functions Cylinder Liner : Forms the combustion chamber’s wall and withstands high pressure and temperature. • Piston & Rings : Convert combustion energy to motion and maintain sealing between piston and liner. • Connecting Rod & Crankshaft : Transfer and convert linear motion into rotary motion for propulsion. • Crosshead Bearing : Separates the piston and connecting rod to prevent side forces. • Scavenge Air System : Supplies fresh air for combustion and removes exhaust gases. • Turbocharger : Utilizes exhaust gas energy to compress intake air for better combustion. • Fuel Injector : Sprays atomized fuel into the combustion chamber for ignition. • Exhaust Valve : Opens to release burnt gases. • Cooling and Lubrication Systems : Control temperature and minimize wear.



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Senate Support DMW and OWWA’s Proposed 2026 Budget

The Senate has expressed full support for the proposed 2026 budget of the Department of Migrant Workers (DMW) and the Overseas Workers Welfare Administration (OWWA), underscoring the vital role of overseas Filipino workers (OFWs) in sustaining the country’s economy. During the Senate Finance Sub-Committee K deliberation, lawmakers affirmed that OFWs deserve comprehensive government assistance and protection in recognition of their service and sacrifices. The proposed budget aims to strengthen the delivery of programs and services that ensure the welfare of Filipino workers abroad and their families at home.

E-Ferry “M/B Dalaray” Officially Launched: A Milestone for Sustainable Water Transport

MANILA, Philippines — A major step toward cleaner and more sustainable urban mobility has been achieved with the official launch of the country’s first-ever battery-electric ferry, the M/B Dalaray, developed under the collaboration of the Department of Science and Technology – Philippine Council for Industry, Energy and Emerging Technology Research and Development (DOST-PCIEERD), the University of the Philippines Diliman, and the Maritime Industry Authority (MARINA). A Leap Toward Green Innovation The M/B Dalaray, whose name means “flow” or “circuit,” marks a significant advancement in the Philippines’ efforts to reduce its dependence on fossil fuels and minimize carbon emissions. Designed and built locally, the vessel highlights Filipino ingenuity and teamwork in pursuit of sustainable technology and innovation.

President Marcos Orders Full Assistance for Filipino Crew Members of MV Minervagracht

PASAY CITY — October 4, 2025 In compliance with President Ferdinand R. Marcos Jr.’s directive to extend complete assistance to Filipino seafarers affected by the attack on the MV Minervagracht, the Department of Migrant Workers (DMW), led by Secretary Hans Leo J. Cacdac, personally welcomed the ten Filipino crew members safely returning home via Air France Flight No. 224 at Ninoy Aquino International Airport (NAIA) Terminal 3.

France Detains Captain of Russian-Linked Tanker in Shadow Fleet Investigation

French authorities have detained the captain of a Russian-linked oil tanker intercepted off the Atlantic coast, intensifying Europe’s crackdown on so-called “shadow fleet” vessels suspected of evading sanctions and supporting Moscow’s war economy. The vessel, identified as Boracay and previously operating under multiple names and flags, was boarded by French naval forces near Saint-Nazaire last weekend. Official records suggest it was carrying nearly 750,000 barrels of crude oil from Primorsk, Russia, to India’s Vadinar refinery. Questions over its registry, irregular documentation, and the crew’s refusal to comply with French naval directives prompted a full investigation. Initially, both the captain and first officer were placed in custody. Following questioning, the first officer was released without charges, while the captain remains detained pending trial in February. French prosecutors allege the crew failed to justify the vessel’s nationality and obstructed naval inspections, offenses that carry significant penalties under maritime law.

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Marshall Islands Registry Marks 10 Years of Excellence

The Marshall Islands Registry commemorated the 10th anniversary of its Manila office with a milestone celebration held at Lansons Place in Pasay City. The event brought together registry executives, employees, maritime industry stakeholders, and business partners to celebrate a decade of growth and service in the Philippines. Since its establishment in 2015, the Manila office has become a key operational hub for the registry’s Asia-Pacific network, supporting one of the world’s largest and most trusted ship registries. Over the years, it has strengthened partnerships with shipping companies, manning agencies, and maritime organizations across the region, playing a vital role in enhancing the Philippines’ standing in global shipping. During the ceremony, employees who have been with the organization since its inception received the 10-Year Loyalty Award in recognition of their dedication and commitment. Industry partners and stakeholders were also honored for their continued collaboration and contributions to the registry’s success and to the advancement of the Philippine maritime industry.

BEACON 2025: Maritime Industry Unites for Innovation and Growth at SMX Convention Center

A Grand Opening for Maritime Excellence The much-awaited BEACON 2025 – Maritime League Expo officially opened its doors at the SMX Convention Center in Pasay City, marking one of the most significant gatherings of the maritime sector this year. Running from September 29 to October 1, 2025, the three-day event brought together a diverse mix of government executives, maritime leaders, manning agencies, shipping companies, training centers, and thousands of Filipino seafarers—all sharing one mission: to drive the maritime industry toward innovation and sustainability. Organized under the theme “Innovation, Collaboration, and Opportunities,” BEACON 2025 embodied the spirit of progress that continues to propel the Philippine maritime sector forward.

Marino World Manning Expo & Conference 2025: Shaping the Future of Seafaring and Global Manning

A Two-Day Gathering for the Maritime Industry The Marino World Manning Expo & Conference 2025 is set to bring together the global maritime community for two days of dialogue, innovation, and collaboration on September 30 and October 1, 2025. The event promises to be a pivotal moment for seafarers, manning agencies, shipping companies, and maritime educators as they discuss the evolving landscape of seafaring in a rapidly changing world. Hosted in the Philippines home to one of the world’s largest pools of maritime professionals the expo serves as a hub where voices from both sea and shore converge to shape the industry’s future.

TOMSP 2025 Awarding Ceremonies

Honoring the Future Leaders of the Sea The maritime community once again gathered in solidarity and celebration at the ALU-APSU-ITF Building, Cubao, Quezon City, on September 28, 2025, for the awarding of the Ten Outstanding Maritime Students of the Philippines (TOMSP) 2025. Now firmly established as one of the most anticipated recognition programs in maritime education, TOMSP continues to shine a spotlight on the youth who embody excellence, leadership, and service. This year’s edition drew representatives from maritime institutions, manning agencies, labor groups, and government offices. Together, they reaffirmed their shared commitment to nurturing the next generation of Filipino maritime professionals—individuals who will uphold the country’s reputation as a global leader in seafaring.

EDUCATIONAL VIEW MORE...

2-Stroke Marine Diesel Engine

2- STROKE MARINE DIESEL ENGINE A 2-stroke marine diesel engine is a type of internal combustion engine that completes all four stages of operation intake, compression, combustion, and exhaust in two piston strokes (one crankshaft revolution). It is primarily used in large ships such as tankers, container vessels, and bulk carriers because of its high power output, fuel efficiency, and ability to run continuously for long periods. The engine is designed to deliver maximum torque at low revolutions per minute (RPM), making it ideal for direct propulsion of heavy marine vessels. Purpose The main purpose of a 2-stroke marine diesel engine is to generate continuous propulsion power for ships during long-distance voyages. It provides high torque and efficiency at low speed, enabling vessels to move massive loads across oceans while minimizing fuel consumption. Its robust design, long service life, and ability to operate on different fuel types from heavy fuel oil (HFO) to marine diesel oil (MDO) make it the backbone of commercial marine propulsion. Background and History The concept of the 2-stroke engine emerged in the late 19th century, pioneered by Dugald Clerk (1878) and Joseph Day (1891). In the early 20th century, diesel technology replaced steam propulsion as shipping demanded greater efficiency. By the 1930s, manufacturers like Sulzer, MAN B&W, and Mitsubishi developed large-scale crosshead-type 2-stroke engines, setting the standard for ocean-going ships. Since the 1960s, these engines have dominated maritime transport, evolving to meet stricter emission and fuel efficiency standards. Main Components and Functions Cylinder Liner : Forms the combustion chamber’s wall and withstands high pressure and temperature. • Piston & Rings : Convert combustion energy to motion and maintain sealing between piston and liner. • Connecting Rod & Crankshaft : Transfer and convert linear motion into rotary motion for propulsion. • Crosshead Bearing : Separates the piston and connecting rod to prevent side forces. • Scavenge Air System : Supplies fresh air for combustion and removes exhaust gases. • Turbocharger : Utilizes exhaust gas energy to compress intake air for better combustion. • Fuel Injector : Sprays atomized fuel into the combustion chamber for ignition. • Exhaust Valve : Opens to release burnt gases. • Cooling and Lubrication Systems : Control temperature and minimize wear.

MARINE MAIN ENGINE

Marine Main Engine The marine main engine is the heart of a ship’s propulsion system. It is the largest and most powerful machine on board, designed to convert fuel into mechanical energy that turns the propeller and drives the vessel forward. Without it, modern shipping—responsible for carrying around 90% of the world’s trade—would not be possible. Understanding the main engine is essential for students, seafarers, and anyone interested in marine engineering. Meaning and Purpose The main engine refers to the primary source of propulsion power in a ship. Its purpose is straightforward yet vital: to provide continuous, reliable thrust to move the vessel safely across oceans. Unlike auxiliary engines, which generate electrical power for onboard systems, the main engine directly powers the propeller shaft. This distinction highlights its role as the core machinery that ensures a ship’s mobility and operational efficiency. Background Marine engines have evolved significantly since the early days of steam propulsion. In the 19th century, ships relied on coal-fired steam engines. Over time, these were replaced by more efficient internal combustion engines. Today, the most common propulsion system in large commercial vessels is the two-stroke low-speed diesel engine, valued for its efficiency, durability, and ability to burn heavy fuel oil. However, with increasing environmental regulations, new technologies and alternative fuels are reshaping the future of marine propulsion.

Understanding IMO Safety Symbols

The International Maritime Organization (IMO) safety symbols serve as universal visual guides designed to protect lives at sea. These standardized icons provide quick, clear, and language-independent instructions that help seafarers, passengers, and maritime professionals respond effectively in emergencies. Importance of Symbols on Board Onboard a vessel, safety depends not only on equipment but also on awareness. In critical situations where every second counts, IMO safety symbols minimize confusion by pointing directly to lifesaving appliances, emergency exits, fire control stations, and medical facilities. These symbols ensure that regardless of nationality or spoken language, crew and passengers can understand and act immediately. Categories of Safety Symbols The chart features a wide range of icons: • Lifesaving Equipment: Symbols for lifeboats, liferafts, rescue boats, lifejackets, immersion suits, and survival radios guide seafarers to crucial survival gear. • Emergency Actions: Icons such as eyewash, emergency stop buttons, stretchers, showers, and assembly points highlight essential emergency responses. • Evacuation Guidance: Running man symbols, arrows, escape ladders, and push-to-open signs direct safe movement during evacuation. • Communication & Fire Safety: Telephone stations, fire alarms, and firefighting systems are also clearly indicated

Parts of the Anchor System of a Ship

What is the Anchor System of a Ship? The anchor system is essential equipment that secures a ship in place at sea or in port. It consists of interconnected parts such as the anchor, chain, windlass, and locker, working together to prevent drifting, protect the vessel, and ensure safety during operations, emergencies, or harsh weather conditions. Parts of the Anchor System of a Ship 1. Anchor A heavy steel device that grips the seabed to hold the ship in position. It prevents drifting due to wind, waves, or current, ensuring stability and safety. 2. Chain Cable A strong, durable chain linking the anchor to the ship. Its weight and strength allow effective seabed penetration, withstand high tension, and resist corrosion in harsh marine conditions. 3. Windlass A powerful mechanical device used to heave up or let go the anchor chain. Operated hydraulically, electrically, or manually, it ensures safe, efficient anchoring operations and controlled chain movement. 4. Chain Stopper A securing device that locks the anchor chain when not in use. It relieves stress on the windlass, prevents chain slippage, and ensures safety during sailing or rough weather. 5. Anchor Lashing Strong securing arrangement that holds the anchor firmly in place while the ship is underway. It prevents unwanted movement caused by vibration, waves, or ship motion, protecting vessel structures. 6. Hawse Pipe A cylindrical pipe at the bow through which the anchor chain passes from deck to sea. It aligns and protects the chain, preventing friction damage and entanglement.


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