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according angle applied azimuth bearing boats called carry chart column compass course constructed correct corresponding course and distance danger departure determine deviation difference of latitude difference of longitude direction distance divided east equal equator error evident EXAMPLE expressed feet follows give given glass harbor height Hence horizontal hour indicated iron knots known Lake lead leeway length less light Long longitude magnetic mark means measured meridian method miles minutes nautical navigation nearly needle object observer obtained Office parallel pass pole port position represent result rule sailing scale screw ship shore shown side signal SOLUTION sound speed standard statute steam steamer steered storm surface Tables taken tion Traverse true course usually variation vertical vessel wind
Page 36 - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of 10 points of the compass, so fixed as to throw the light from right ahead to two points abaft the beam...
Page 39 - When two steam- vessels are meeting end on, or nearly end on, so as to involve risk of collision, each shall alter her course to starboard, so that each may pass on the port side of the other.
Page 30 - ... when she shall have arrived within half a mile of such curve or bend, shall give a signal by one long blast of the...
Page 31 - ... shall be deemed to be an overtaking vessel; and no subsequent alteration of the bearing between the two vessels shall make the overtaking vessel a crossing vessel within the meaning of these rules, or relieve her of the duty of keeping clear of the overtaken vessel until she is finally past and clear.
Page 31 - In obeying and construing these rules due regard must be had to all dangers of navigation ; and due regard must also be had to any special circumstances which may exist in any particular case rendering a departure from the above rules necessary in order to avoid immediate danger.
Page 36 - ... points abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least two miles.
Page 39 - A vessel which is close-hauled on the port tack shall keep out of the way of a vessel which is close-hauled on the starboard tack. (c) "When both are running free, with the wind on different sides, the vessel which has the wind on the port side shall keep out of the way of the other.
Page 3 - ... a bright white light, so constructed as to show an unbroken light over an arc of the horizon of 20 points of the compass, so fixed as to throw the light 10...
Page 51 - A man on shore beckoning by day, or two torches burning near together by night, will signify, " This is the best place to land." Any of these signals may be answered from the vessel as follows: In the daytime, by waving a flag, a handkerchief, a hat, or even the hand ; at night, by firing a rocket, a blue light, or a gun, or by showing a light over the ship's gunwale for a short time and then concealing it.