Refresh AIS Manually

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Ship Lengend
:Passenger Vessels
:Cargo Vessels
:Tankers
:High Speed Craft
:Tug, Pilot, etc
:Yachts & Others
:Anchored/Moored
:Engaged in
:Sailing Vessels

The line at the head of ship legend is used to describe ship speed, the longer the line the faster the ship speed.
