Knowledge

Satellite Compass vs Gyrocompass Accuracy Comparison: The Number on the Spec Sheet Is Not the Whole Story Title: Satellite Compass vs Gyrocompass Accuracy Comparison: What the SC90 and SC120 Actually

Marine Satellite Compass Wheelmark : What the Mark on the Data Plate Actually Proves There is a small sticker on the data plate of a satellite compass that most crews never look at twice. A ship's whe

Bridge Navigational Equipment Anemometer There is a piece of bridge equipment that rarely gets a second look during an inspection. It sits on the mast, spins quietly, and feeds numbers to a display th

Troubleshooting Common AIS Interference Issues on Vessels (Real-World Case Studies) AIS interference is one of those problems that sneaks up on you. The system looks fine on the bridge. The display sh

Replacement Electromagnetic Speed Log Sensor: When to Swap, What to Check, and Why It's Not Just a Plug-and-Play Job There is a moment every chief engineer dreads. The speed log display starts act

Marine Speed Log Calibration Procedure: The Sea Trial Steps That Actually Matter There is a moment during every sea trial when the bridge team realizes the speed log is lying. The vessel is making tur

Echo Sounder Transducer Frequency for Navigation: Why 200 kHz Is Not Always the Answer There is a question that comes up in almost every conversation we have with naval architects and shipyards. It so

Transducer Technology Deep Dive: How Frequency, Beam Angle, and Material Affect Underwater Detection Accuracy There is a piece of equipment on every vessel that gets far less attention than it deserve

Speed Log Requirement for Ships Above 50,000 GT: What the Regulation Actually Demands There is a threshold in the SOLAS regulations that changes everything for speed log requirements. Below 50,000 gro

Echo Sounder Transducer Installation Guide: What the Manuals Don't Always Tell You There is a moment that happens on every new build or refit. The echo sounder arrives. The transducer comes in its

Heated Marine Anemometer for Cold Climates There is a sensor on the mast that most crews ignore until the temperature drops below freezing. The anemometer. It spins-or it tries to. But when ice builds

What is DSC on VHF radio ? Digital Selective Calling is a digital signalling system that operates exclusively on VHF channel 70, which is 156.525 MHz. Unlike traditional voice communication, where you