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A straight line drawn on a gnomonic chart is a portion of a great circle. When this is transferred to a Mercator chart , it becomes a curve. The positions are transferred at a convenient interval of longitude and this track is plotted on the Mercator chart for navigation.
Instruments used to plot a course on a nautical chart. In navigation, the course of a watercraft or aircraft is the cardinal direction in which the craft is to be steered.The course is to be distinguished from the heading, which is the direction where the watercraft's bow or the aircraft's nose is pointed.
A straight line can be drawn from the Geographic North Pole, down to the Magnetic North Pole and then continued straight down to the equator. This line is known as the agonic line, and the line is also moving. In the year 1900, the agonic line passed roughly through Detroit and then was east of Florida.
In navigation, a rhumb line, rhumb (/ r ĘŚ m /), or loxodrome is an arc crossing all meridians of longitude at the same angle, that is, a path with constant azimuth (bearing as measured relative to true north). Navigation on a fixed course (i.e., steering the vessel to follow a constant cardinal direction) would result in a rhumb-line track.
The ship is a twin of MS Liverpool Seaways. The vessel was initially named Mersey Viking and saw service in the Irish Sea , eventually being renamed Dublin Viking and then Dublin Seaways . The vessel was acquired by the Stena Line and renamed Stena Feronia and saw service between Tangier and Algericas and later between Kiel and Gothenburg .
The resulting line of position (LOP) is a small segment of the circle of equal altitude, and is represented by a straight line perpendicular to the azimuth of the celestial body. When plotting the small segment of this circle on a chart it is drawn as a straight line, the resulting tiny errors are too small to be significant.
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The ship was then requested to proceed back into Southampton harbour for further inspection. [ 7 ] On 8 August 2018, a fuel spill happened near Port Arthur, Texas due to the collision of ARC owned M/V Endurance against the Savage Pathfinder tugboat. 13,000 gallons of fuel were dispersed in the sea, however the spillage was secured and clean up ...