Chief Engineer MAKOi

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Chief Engineer MAKOi

Chief Marine Engineer, Seafarer, Educator, Content Creator Verified
(42)

14/12/2024

𝗠𝗔𝗥𝗜𝗡𝗘 𝗣𝗥𝗢𝗣𝗘𝗟𝗟𝗘𝗥𝗦

Ship propellers, or screw propellers, are vital components in maritime propulsion, converting engine energy into thrust to propel vessels. They consist of a hub and blades, with blade numbers ranging from three to five, depending on the vessel's operational needs. Materials like bronze alloys, stainless steel, and composites are used for their durability and resistance to marine environments. Propeller types include fixed-pitch, controllable pitch (CPP), ducted propellers, and contra-rotating systems, each tailored to different performance and maneuverability requirements.

Propellers operate by displacing water to generate forward thrust, adhering to principles like Bernoulli’s and Newton’s laws. Efficiency can be impacted by factors like cavitation, hull-propeller interactions, and wake effects. Maintenance is crucial to address biofouling, erosion, and wear caused by harsh operating conditions. Regular cleaning and inspections help ensure reliable performance.

Modern advancements in propeller technology focus on improving energy efficiency and durability. Composite materials, tip vortex-free designs, and integration with dynamic positioning systems are making propellers more effective and environmentally friendly. These innovations are essential for meeting the demands of larger vessels and stricter emissions regulations.

13/12/2024

𝗖𝗬𝗕𝗘𝗥𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 𝗜𝗡 𝗧𝗛𝗘 𝗠𝗔𝗥𝗜𝗧𝗜𝗠𝗘 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗬

Maritime cybersecurity is increasingly vital as the shipping industry relies on digital systems for operations, navigation, and communication. These systems, including Electronic Chart Display and Information Systems (ECDIS), and Automatic Identification Systems (AIS), are vulnerable to cyberattacks that can disrupt operations, endanger safety, and compromise sensitive data. High-profile incidents, such as the Maersk ransomware attack in 2017, have demonstrated the costly and widespread impact of cybersecurity breaches in the maritime sector, emphasizing the urgent need for robust cyber defenses.

To mitigate risks, the industry follows guidelines such as the IMO Resolution MSC.428(98), which integrates cybersecurity into Safety Management Systems (SMS), and standards like ISO/IEC 27001 for information security. Essential measures include crew training to prevent human errors, network segmentation to isolate critical systems, and the implementation of firewalls and intrusion detection systems to monitor and protect networks. Regular software updates, incident response plans, and third-party risk assessments further strengthen resilience against evolving threats.

By adopting proactive strategies and adhering to international standards, the maritime industry can safeguard operations, protect sensitive information, and ensure the safe movement of goods across the globe.

11/12/2024

𝗧𝗨𝗡𝗡𝗘𝗟 𝗧𝗛𝗥𝗨𝗦𝗧𝗘𝗥𝗦

Tunnel thrusters, also known as bow or stern thrusters, are auxiliary propulsion systems installed on ships to enhance maneuverability, especially in confined spaces such as ports and harbors. They are transverse propellers located near the bow or stern, embedded in tunnels within the hull. These thrusters provide lateral thrust, enabling vessels to move sideways without using the main propulsion system. They are controlled from the bridge, often integrated into modern ship-handling systems, making them essential for precise movements during docking, undocking, and navigating narrow channels.

The thrusters come in various types, including electric, hydraulic, and diesel-driven models. Electric thrusters are popular for their efficiency and low maintenance, while hydraulic versions are common in smaller vessels. The system allows ships to perform station-keeping in dynamic positioning scenarios and reduces the need for tugboats in tight port environments. Despite their advantages, tunnel thrusters have limitations, such as increased energy consumption, space requirements for installation, and the need for regular maintenance to prevent issues like fouling and wear.

Widely used across merchant ships, passenger vessels, offshore platforms, and naval fleets, tunnel thrusters significantly improve a ship's operational capabilities. They minimize strain on the main propulsion system, enhance fuel efficiency by reducing tugboat dependency, and enable safer navigation in congested waterways. With technological advancements, modern thrusters are increasingly integrated with automated control systems, making them more efficient and vital for maritime operations.

09/12/2024

Gusto mo na ba mag Chief Mate sa Container Vessels pero NANGANGAMOTE ka pa rin sa trim and stability at sa pag-gamit ng cargo loading program? Tara enroll ka na sa TRIM AND STABILITY FOR CONTAINERSHIPS Course dito lang sa STI Maritime Training Academy.
Para maging "KAMOTE" ka na, in a good way. 😆

08/12/2024

𝗣𝗟𝗔𝗖𝗘𝗦 𝗢𝗙 𝗥𝗘𝗙𝗨𝗚𝗘

A Place of Refuge in maritime terms is a safe location where a distressed vessel can seek shelter to address damage, protect the environment, and ensure safety. These sites may include harbors or coastal areas equipped to assist ships in stabilizing conditions or containing hazards.

Key considerations include accessibility, proximity to repair facilities, and environmental sensitivity. The IMO and UNCLOS provide legal frameworks to balance assistance with environmental protection, though liability and jurisdiction can complicate decisions.

Notable cases, such as the Prestige oil spill and MSC Flaminia fire, highlight the importance of effective refuge policies. Challenges include balancing safety with ecological risks, coordinating internationally, and ensuring adequate infrastructure. Best practices involve pre-designating refuges, fostering international cooperation, and maintaining transparent communication.

Have an experience about ships needing a place of refuge? Tell us in the comments below!

06/12/2024

Ready ka na ba umakto as 3rd Mate? O baka naman medyo kinakabahan ka pa. Enroll ka na sa 3rd Mate Familiarization Course ng STI Maritime Training Academy! Bawasan natin yang kaba mo 😁.

05/12/2024

Gusto mo na bang umakto as 4/E pero kinakape ka pa? Tara dito sa STI Maritime Training Academy at mag-enroll ka sa 4th Engineer Familiarization Course. 😊 Bawasan natin iyang nerbiyos mo. 😁

03/12/2024

𝗙𝗜𝗥𝗘 𝗦𝗨𝗣𝗣𝗥𝗘𝗦𝗦𝗜𝗢𝗡 𝗜𝗡 𝗩𝗘𝗦𝗦𝗘𝗟𝗦

CO2 fixed firefighting systems are vital safety measures on ships, designed to suppress fires in enclosed spaces such as engine rooms, cargo holds, and pump rooms. These systems work by displacing oxygen and cooling the area with carbon dioxide gas, effectively extinguishing flames. Key components include CO2 storage cylinders, a network of distribution pipes, control and release mechanisms, and safety features like alarms and time delays to ensure crew evacuation before discharge. They are particularly effective against Class B (flammable liquids) and Class C (electrical) fires, leaving no residue that could damage sensitive equipment.

While these systems are efficient and versatile, they require proper handling and adherence to strict safety protocols. Spaces must be sealed to contain the CO2, and crew training is essential to ensure timely evacuation and operation. Regular maintenance and inspections are critical for compliance with international regulations like SOLAS and IMO standards. Despite their high initial cost and potential risks, CO2 fixed firefighting systems remain indispensable for maritime fire safety, offering a reliable and residue-free solution for fire suppression in confined areas.

Ever had a fire break out on the ship? Tell us more in the comments below!

30/11/2024

𝗧𝗿𝗮𝗻𝘀𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝗣𝗲𝗿𝗶𝘀𝗵𝗮𝗯𝗹𝗲 𝗚𝗼𝗼𝗱𝘀

Transporting perishable goods on cargo ships is a vital component of global trade, requiring specialized equipment and meticulous handling to maintain product quality. Common perishables include food products, pharmaceuticals, flowers, and sensitive materials, all of which demand strict temperature control, humidity regulation, and efficient logistics. Re**er ships or refrigerated containers equipped with advanced refrigeration and ventilation systems ensure these goods remain within their required conditions throughout transit. Monitoring technologies, such as IoT-enabled sensors, provide real-time updates on temperature and humidity, reducing the risk of spoilage. Pre-cooling goods, using specialized packaging, and quick handling during loading and unloading further safeguard product integrity.

The process also involves adherence to strict regulations, including HACCP guidelines for food safety and Good Distribution Practices (GDP) for pharmaceuticals. Technological innovations, such as smart re**er technology, advanced insulation materials, and renewable energy integration, are improving the efficiency and sustainability of perishable transport. With precise planning and route optimization, cargo ships play a critical role in meeting global demands for fresh produce, medicines, and other perishables, contributing to food security, healthcare, and trade efficiency.

29/11/2024

𝗥𝗢-𝗥𝗢 𝗦𝗛𝗜𝗣𝗦

Roll-on/Roll-off (Ro-Ro) ships are specialized vessels designed for transporting wheeled cargo such as cars, trucks, trailers, and heavy machinery. Their defining feature is the ability to load and unload cargo using built-in ramps, allowing vehicles to be driven on and off the ship efficiently. Ro-Ro ships typically have multiple reinforced cargo decks connected by internal ramps, providing space for a wide range of vehicles. Types of Ro-Ro vessels include Pure Car and Truck Carriers (PCTCs), conventional Ro-Ro ships, RoPax ships that combine passenger and cargo transport, and military-specific Large, Medium-Speed Roll-on/Roll-off (LMSR) vessels. These ships are widely used in the automobile industry, short-sea shipping, and military logistics due to their efficiency and versatility.

The primary advantages of Ro-Ro ships include fast port operations, reduced reliance on cranes, and the ability to protect cargo in enclosed decks. However, they also face challenges, such as requiring specialized port infrastructure and managing stability due to their high center of gravity. Despite these limitations, Ro-Ro ships play a critical role in global trade, particularly for transporting vehicles and heavy equipment. Their design continues to evolve, making them an essential part of modern maritime transport for both commercial and military applications.

What do you think about Ro-Ro vessels? Ever been on one?

Tell us in the comments below!

29/11/2024

Are you aiming to be promoted to 3rd Mate? Then this course is for you! Enroll now at STI Maritime Training Academy's 3rd Mate Familiarization Course and boost your confidence in assuming the role of a 3rd Mate/3rd Officer onboard. Inquire now! 🫡

28/11/2024

𝗔𝗕𝗔𝗡𝗗𝗢𝗡𝗜𝗡𝗚 𝗦𝗛𝗜𝗣

Abandoning ship is a life-or-death decision made only when staying aboard becomes more dangerous than evacuation. The process begins with the vessel's master assessing the situation and issuing the order after all efforts to save the ship have failed. Before evacuation, the crew must broadcast a distress signal, account for everyone, and equip life-saving gear like lifejackets or immersion suits. Essential supplies, such as food, water, and first-aid kits, should be secured for survival. Lifeboats and rafts are prepared and launched systematically, following the ship’s emergency plan, to ensure an orderly evacuation while avoiding risks like overcrowding or proximity to the ship. Maintaining communication through portable radios or signaling equipment increases the chances of rescue.

Once evacuated, survival becomes the priority. The crew and passengers must stay together, conserve resources, and use signaling tools like EPIRBs or flares to attract rescuers. Environmental conditions like rough seas or cold temperatures can pose significant challenges, making it critical to stay dry, warm, and vigilant for signs of hypothermia. Regular drills, proper training, and equipment maintenance are essential for minimizing panic and ensuring the success of evacuation and survival efforts. While abandoning ship is always risky, preparation and adherence to safety protocols significantly improve the likelihood of survival.

Have a story about abandoning ship?

Tell us in the comment below!

28/11/2024

Are you up for promotion to 2nd Mate? STI Maritime Training Academy now offers the 2nd Mate Familiarization course! Topics covered will be ECDIS familiarization, voyage planning, UKC + squat calculation, corrections, noon reporting, Admiralty and other duties typically assigned to a 2nd Mate.
This course will help you boost your confidence as a 2nd Mate. Enroll now!

27/11/2024

Enhance your knowledge of Trim and Stability for Containerships at STI Maritime Training Academy. This is an intensive 3-day course wherein the trainees will need to accomplish numerous exercises involving various scenarios usually encountered for cargo operation of containerships.

27/11/2024

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24/11/2024

𝗥𝗢𝗨𝗚𝗛 𝗪𝗘𝗔𝗧𝗛𝗘𝗥 𝗔𝗧 𝗦𝗘𝗔

Operating in rough weather at sea presents significant challenges to maritime operations, impacting vessel performance, navigation, and safety. High waves, strong winds, and turbulent currents can strain a ship’s structure and systems, while reduced visibility from rain and spray complicates navigation. These conditions also disrupt the functionality of navigational aids, increasing risks like groundings or collisions. Maneuverability is further compromised by excessive pitching, rolling, or yawing, leading to increased fuel consumption and longer voyage times.

Rough weather also endangers crew safety and cargo security. Unstable footing and violent ship movements heighten the risk of injuries, while prolonged exposure to such conditions can lead to fatigue. Improperly secured cargo may shift, potentially destabilizing the vessel and causing damage. Furthermore, specific operations like fishing, offshore unloading, or emergency responses become hazardous or impossible, with rescue operations in heavy seas posing particularly grave risks.

To mitigate these challenges, maritime operators rely on tools such as advanced weather forecasting and route optimization to avoid severe conditions. Ships are designed with features like anti-rolling systems and reinforced structures to withstand harsh environments, while regular crew training ensures readiness for emergencies. Compliance with international regulations, such as SOLAS and load line rules, further enhances safety and operational stability. By combining skilled seamanship, robust technology, and proactive planning, maritime professionals navigate the complexities of rough weather effectively.

What are your experiences with rough weather while on board a ship?

Tell us in the comments!

23/11/2024

𝐕𝐞𝐬𝐬𝐞𝐥 𝐃𝐞𝐥𝐚𝐲𝐬

Vessel delays in container shipping are caused by port congestion, adverse weather, equipment imbalances, and regulatory challenges. These factors disrupt schedules, increase costs, and create significant challenges for global supply chains. High cargo volumes, insufficient port infrastructure, and labor shortages are key contributors, while geopolitical tensions and unpredictable weather further complicate operations. The impact is felt across industries, with financial losses, production halts, and reputational damage to carriers and logistics providers.

To address these issues, the industry is adopting better scheduling, port upgrades, and advanced technologies like AI, IoT, and predictive analytics to anticipate and mitigate delays. Enhanced coordination among stakeholders, diversification of routes, and proactive maintenance of vessels and equipment are also critical strategies. Long-term investments in automation and infrastructure, alongside a focus on operational efficiency, are vital for building a more reliable and resilient shipping network.

Any experience with delays on-board? How long did that last?

Share with us in the comments below!

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