5 Effective radar techniques for ship navigators RADAR (radio detection and ranging) equipment has for a long time been one of the best tools for enhancing the safety of ship navigation at sea. Gone are the days when the master would be the one switching the equipment “on” and “off”, at his/her discretion, and when old timers would […]
Marine radar works and uses of marine radar The term “Radar” is an acronym for Radio Detection and Ranging”. The marine radar works and uses of marine radar on the basic principle of electromagnetic waves. The radar antenna sends the high-speed electromagnetic waves to establish the location, which is the distance, the velocity and the […]
15 Things to consider while using radar on ships The radar is one of the most used equipment systems onboard ships. It is designed for detecting and tracking targets a considerable distance. Needless to say, it’s of great practical value to the navigators. Proper use of radar and radar plotting aids in both restricted visibility […]
Points Officer on Watch (OOW) while handling ship’s radar The officer on watch (OOW) on the ship’s bridge should be familiar with the working of all navigational equipment used on the ship. He should also be aware of the procedure for trouble shooting in case any equipment fails. The radar is one of the most […]
Radar watchkeeping and SOLAS requirements for ships Radars have been playing a vital role in ship navigation for several decades now, assisting in collision avoidance and early detection of obstacles. The history of marine radars goes a long way back to the time of World War II, when radars were introduced and effectively used by war ships for tracking […]
Automatic Identification System (AIS) Solution Sealite’s AIS solutions are available in Type 1 or Type 3 and operate on the international VHF Maritime Mobile Band, enabling Port Authorities and other users to remotely monitor the real-time status of their AtoN installations. The Type 1 or Type 3 AIS solutions can be configured to a range […]
Ship watertight bulkheads pressure testing After installation of the bulkheads, they are to be tested for their integrity and water tightness. Since it is not feasible to fill all the cargo holds or compartments with water for this purpose, the test is done by a pressure hose. In this process, the bulkhead is subjected to […]
Construction of ship watertight bulkheads The primary function of watertight bulkheads is to divide a ship into a number of watertight compartments. Though most watertight bulkheads are transverse in orientation, some ships also have longitudinal watertight bulkheads within a compartment for longitudinal compartmentalisation within a compartment. Other than watertightness, the transverse bulkheads also add to […]
Collision bulkhead in ship The safety of a ship in damaged condition is majorly dependent on the strength and integrity of its watertight bulkheads. There are a lot of factors that go into deciding the position of watertight bulkheads in a ship, and designing them structurally. Watertight bulkheads are vertically designed watertight divisions/walls within the ship’s structure […]
Steering Gear System In Ship The efficiency of performance of steering gear depends on some main aspects. These basic requirements to be invariably met by all steering gears are guided by rules set by classification societies. They can be briefly outlined as : As per standard requirements, the steering gear should be capable of steering […]