Oily Water Separator (OWS): Construction & Working

Oily Water Separator (OWS): Construction and Working  Why Do We Need an OWS Onboard? Modern ships generate bilge water during normal operation—water that is contaminated with oil, fuel, lubricants, and cleaning agents from machinery spaces. Simply pumping this overboard is illegal and environmentally disastrous. Enter the oily water separator. Its primary function is to separate […]

Maintenance of Oily Water Separator (OWS)

Maintenance of Oily Water Separator (OWS) when the OWS fails, the consequences can be serious. Not just for the ship, but for your licence, your freedom, and your reputation. So, instead of waiting for alarms and PSC surprises, here are 7 practical  tips to help keep your oily water separator running smoothly.  1. Understand What […]

Oily Water Separators

Oily Water Separators:  In the engine room, tucked away among valves, gauges, and pipelines, lies a piece of equipment that plays a quiet but vital role in protecting our oceans: the Oily Water Separator (OWS). It doesn’t get much attention—until it stops working, or worse, gets misused. This article breaks down the basics of OWS, […]

Best Practices for Handling Flame Failure

Best Practices for Handling Flame Failure or Fuel Pump Tripping in Auxiliary Marine Boilers The marine auxiliary boiler is vital onboard for supplying steam for various operations such as heating, fuel treatment, and cargo systems. However, one of the more alarming situations that marine engineers may face is a flame failure or fuel pump tripping. […]

Marine Boiler Mountings & Accessories

Marine Boiler Mountings and Accessories: Your Guide to Safety and Efficiency By Nav Insider Marine boilers are critical to a ship’s operation, and two categories of components play pivotal roles in their performance and safety: mountings and accessories. While mountings ensure safe and controlled operation, accessories are designed to enhance the boiler’s efficiency and output. […]

Marine Air Compressors on Ships

Marine Air Compressors on Ships In this article, we’ll explore marine air compressors in-depth: types used onboard, their applications, operation, safety features, routine maintenance, valve overhauling, and real-world troubleshooting tips. Types of Compressors Used Onboard Ships Compressors onboard are used for compressing gases by reducing volume and increasing pressure. There are different types of compressors […]

Compressed Air Line on Ships

Picture this—you’re in the engine room of a ship that’s just docked after a long voyage. The main engine is off, the auxiliary engines are silent, and there’s no hum of machinery. Everything is quiet… until it’s time to start things up again. But how? What breathes life back into the ship’s systems? The answer […]

Ship Fin-Stabilizer and Its Operation

When you’re out at sea, stability is everything. A ship that rolls from side to side isn’t just uncomfortable — it can put both crew and cargo at risk. That’s where fin stabilizers step in. Mounted below the waterline on both sides of the hull, these smart devices work quietly behind the scenes to reduce […]

Causes for Reduction in Ship’s Auxiliary Engine Performance

Power generation on board a ship is not just important, it is essential. Whether you’re navigating narrow channels, operating pumps for cargo, or simply keeping the bridge equipment alive, a reliable generator is non-negotiable. Even a few minutes of blackout can lead to a cascade of emergencies from collision risks to cargo damage. To avoid […]

How to Start an Emergency Generator on a Ship

What Is an Emergency Generator? An emergency generator is a backup power system installed on every ship. When the main generators fail due to blackout, machinery fault, or casualty, this generator kicks in automatically to provide power to critical systems. It’s placed in a separate space away from the engine room, usually higher up, so […]