I have reviewed hundreds of hours of VDR data. One pattern shows up more than almost any other: a manual fix plotted on the ECDIS, time stamped correctly — and completely absent from the radar screen. No VRM movement. No…
VDR navigational audit programmes exist because of a simple truth I learned in eighteen years at sea: what happens on the bridge when an assessor walks through the door is not what happens at 0300 on a rainy Wednesday in…
I am often asked by ship managers and owners how VDR audits work. Not in abstract terms — but practically. What do I look at first? What does the data tell me that a traditional inspection cannot? And what does…