How to estimate distance to animals at sea in nautical miles?

Home Forums Nautical Research: 1500 – 1830 How to estimate distance to animals at sea in nautical miles?

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  • #21712
    andrew a
    Participant

    I’m doing field research on a boat and I need to estimate the distance to animals in nautical miles. Any tips for doing this? I need to tell the approximate distance to others on the boat so they can see what I’m looking at. I’m very new to this and I don’t know how to find resources.

    #21728
    Frank Scott
    Participant

    Distance is hard to judge & for new lookouts the standard report is bearing of object (relative to the ship) – thus ‘Green 30’ (30 degrees on Stbd Bow) then simple self-explanatory range ‘Near’ or ‘Far’

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