Twitter: Ever wonder what HELM is? Why we need it? ECDIS Ltd’s Joe Celebrates His 50th HELM Course and explains https://t.co/9c48AdTAA1 via @YouTube

Ever wonder what HELM is? Why we need it? ECDIS Ltd’s Joe Celebrates His 50th HELM Course and explains https://t.co/9c48AdTAA1 via @YouTube

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