Types of Marine Oily Water Separators

Types of Marine Oily Water Separators – Explained Simply let’s talk about the different types of OWS you’ll come across onboard. 1. Gravity-Based Oily Water Separators Simple in design, reliable in performance. This is the most old-school type—based on the basic principle that oil floats on water. Bilge water enters a tank or chamber and […]

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. […]

When Ships Burn: Can AI Really Prevent Cargo Fires at Sea?

A Fire Nobody Saw Coming It’s 0200 hours, mid-ocean, calm seas. The OOW notices faint smoke near a container stack. Within minutes, alarms scream. Crew rushes to fight flames that spread faster than anyone expected. The fire eats through containers, threatening lives, cargo worth millions, and the ship itself. If you’ve sailed on container ships, […]

What is an Anchor Circle?

If you have ever stood on the bridge wing and observed the ship swing at anchor, you must have heard someone mutter, “We are still inside the anchor circle.” But what is this anchor circle? Why is it necessary? And how do you know if you are outside it? Let’s learn this step by step. […]

What is a Drydock Scope? A Complete Breakdown from the Shipyard Frontline

When we talk about a ship going into drydock, it’s not just about blasting the hull and changing a coat of paint. It’s a highly structured overhaul of the vessel from keel to mast — involving hull, machinery, tanks, hydraulics, electricals, lifesaving systems, and more. The drydock scope is the detailed blueprint of every job […]

Water Ingress Alarm Panel on the Bridge of a Bulk Carrier

A Lifesaving System Every Officer Must Understand On a bulk carrier, the biggest threat is not always fire or collision. Sometimes, danger creeps in silently, below the cargo, in the form of water entering where it should never be. That is where the Water Ingress Alarm Panel comes into play. It is a quiet sentinel […]