Twitter: ECDIS Ltd’s Joe Celebrates His 50th HELM Course: https://t.co/V17xLbJMQ2 via @YouTube
ECDIS Ltd’s Joe Celebrates His 50th HELM Course: https://t.co/V17xLbJMQ2 via @YouTube
Twitter: Ever wonder what HELM is? Why we need it? ECDIS Ltd’s Joe Celebrates... 
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