PONDICHERRY MARITIME ACADEMY

Introduction: In the vast expanse of the world's oceans, where waves dance and currents weave intricate patterns, marine ship propellers emerge as unsung heroes, propelling vessels through the vast blue abyss. In this blog post, we'll dive into the fascinating world of marine ship propellers – the unsung engineering marvels that make maritime transportation possible. The Heart of Seafaring: Ship propellers serve as the beating heart of seafaring vessels, transforming mechanical power into forward thrust. Unlike their land-bound counterparts, marine propellers must contend with the challenges of water resistance, varying depths, and unpredictable currents. These essential components are a testament to human ingenuity, ensuring the efficient and reliable movement of ships across the globe. Design and Functionality: The design of marine ship propellers is a delicate balance between efficiency and durability. Propeller blades are meticulously crafted to optimize hydrodynamic...

LED makes its way across more and more in Marine/ Industrial applications. In today’s maritime industry, the term ‘Energy Efficiency’ is of sheer importance in all aspects of shipping operation. From main engine to cargo operations, energy efficiency has become the base to set up and plan any machinery or procedure. Electrical system being the most important network onboard ships, it is important for ship owners and operators to make their energy efficiency plans considering the same. Use of energy efficient LED lighting in place of conventional lamps and tube lights on ship, contributes to more savings and add up to its energy efficiency model. An incandescent globe (bulb) can provide a life span of 1000 hrs and a fluorescent lamp can be used up to 7500 hrs. However, far better performance can be achieved by LED lights which have lifespan of about 50,000 hours and 60% less energy consumption. Implementing this would not only reduce the maintenance hours but also bring down the operat...

UNI VM, the awarded solution for Maritime Cyber Safety Uni is a virtualization solution for vessels that provides a high availability, active-active cluster for managing onboard systems and applications. It offers customization options that can adapt to any IT infrastructure on board, utilizing existing equipment and high-end specs. MarPoint’s Central Management Platform provides a holistic approach to IT infrastructure management, ensuring a seamless and efficient operation. MarPoint’s solutions are designed to comply with IMO 2021 guidelines and IACS URs E26 & E27 for cyber safety, making them a reliable choice for businesses seeking to enhance their cyber resilience and minimize the risk of cyber attacks. Evo2 Router The Evo2 Router is an ABS Class-Approved multi-WAN network management solution that provides seamless internet connectivity, independent of the airtime provider. Equipped with redundant hardware components, it ensures true failover and advanced network manag...

  Land and Sea Breeze On a hot early afternoon, take a walk along a dry beach. You start hopping and leaping as soon as you place your bare feet in the sand and sprint towards the sea to soak your burning feet in the water. Yes, the sun warms them both. Land and water, on the other hand, do not heat up or cool down at the same rate. In coastal areas, the differential heating and cooling of land and water create breezes. A sea breeze is any wind that blows from a large water body towards a landmass. Whereas, the offshore winds are called a land breeze that arises from land. The main difference is because of the property of water to retain heat for a longer duration as compared to land. Here, we will discuss more about the land and sea breeze along with some important questions.  What is a Breeze? Breeze, the light and cold wind is one of the most wonderful sensations to feel a cold and moderate wind on a hot summer day at the beach. The breeze is classified into two types: Se...

A recent grounding incident of a ship turned out to be fatal as the master declared “Abandon-Ship”. Though the decision to abandon the ship was, some say, dubious; it was nevertheless a-moment-of-panic and given the conditions the only chance to survive. Subsequently, as the crew managed to get away from the wretched ship, the fate had its own plans; the lifeboat which was carrying the survivors capsized under steep breakers and heavy surfs, while they tried ‘beaching’ it. Except a few crew members who went missing in the bad weather conditions, others found themselves extremely lucky to be alive. Beaching a life boat in good weather seems doable, although a bit tricky, but when it is to be done in a bad and inclement weather, it is a nightmare. A boat can easily be toppled over its broad side when approaching dangerous breakers and surfs near the shore, if not handled skillfully and of course, with a lot of patience. That’s what exactly happened to the folks in the life boat who w...

International maritime signal flags are various flags used to communicate with ships. The principal system of flags and associated codes is the International Code of Signals. Various navies have flag systems with additional flags and codes, and other flags are used in special uses, or have historical significance A Alfa - Diver below (when stationary); I am undergoing a speed trial B Bravo - I am taking on or discharging explosives C Charlie - (affirmative) D Delta - keep clear of me, I am manoevering with difficulty E Echo - I am altering my course to starboard F Foxtrot - I am disabled, communicate with me G Golf - I require a pilot H Hotel - I have a pilot on board I India - I am altering my course to port J Juliett - I am going to send a message by semaphore K Kilo - you should stop your vessel instantly L Lima - you should stop, I have something important to communicate M Mike - I have a doctor on board N November - no (negative) O Oscar - man overboar...