Nautical Terms and Navigation
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Transcript of Nautical Terms and Navigation
Nautical Terms and Navigation
Marine Biology
Boat Top View
Boat Side View
Other Nautical Terms• Line- Rope used to secure a vessel• Dock- Enclosed area used to secure a vessel• Cleat- device to secure a vessel to a dock with a
line• Draft- Depth of a vessel as it moves through the
water• Beam- Width of a vessel• Bumper- Device used to keep a vessel from
rubbing on a dock • Bouy- Markers used to indicate danger or
important point
Navigational TermsCardinal Points N, S, E, W
Inter Cardinal Points
NE, NW, SE, SW
Combination points
(22 ½ degrees)
NNE, ENE,
ESE, SSE,SSW, WSW, WNW,NNW
Find the Bearings of the following points (Note the variation of Magnetic North to True North)
Magnetic North
• True North• Magnetic North
• Variation in degrees depends on the latitude and longitude you are located at.
• Magnetic North shifts slightly annually.
• What would the course heading be for 270 degrees if the magnetic north was 5 degrees west of the true north?