Nautical Astronomy, Latitude, Longitude & Azimuth, Sumner's Method, Marcq St. Hilaire's Method, Ocean Meteorology, International Rules & Signals
International textbook Company, 1908 - 586 pages
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according altitude amplitude apparent applied azimuth bearing calculated called Change chronometer compass Corr correction corresponding course dead reckoning Decl declination determined Diff difference direction distance earth east equal equator EXAMPLE feet Find follows formula give given Greenwich Greenwich date Greenwich mean Height of eye Hence horizon hour hour angle Index error indicated instant interval June known latitude light Long longitude lower limb marked mean mean sun measured meridian meridian altitude method miles minutes moon moon's motion Nautical Almanac navigator noon observed observed altitude obtained parallax passes planet pole position practice reading result right ascension rule sextant ship shown side sidereal sight signals slow SOLUTION star subtracted sun's taken tion transit true vessel wind
Page 16 - In obeying and construing these rules due regard shall be had to all dangers of navigation and collision, and to any special circumstances which may render a departure from the above rules necessary in order to avoid immediate danger.
Page 16 - Nothing in these rules shall exonerate any vessel, or the owner or master or crew thereof, from the consequences of any neglect to carry lights or signals, or of any neglect to keep a proper lookout, or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case.
Page 14 - A vessel under one hundred and fifty feet in length when at anchor shall carry forward, where it can best be seen, but at a height not exceeding twenty feet above the hull, a white light, in a lantern so constructed as to show a clear, uniform, and unbroken light visible all around the horizon at a distance of at least one mile.
Page 17 - In every case of collision between two vessels, it shall be the duty of the master or person in charge of each vessel, if and so far as he can do so without serious danger to his own vessel, crew, and passengers...
Page 11 - ... use ; and shall, on the approach of or to other vessels, be exhibited on their respective sides in sufficient time to prevent collision, in such manner as to make them most visible, and so that the green...
Page 9 - ... points abaft the beam on the starboard side, and of such a character as to be visible...
Page 15 - ... 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 9 - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of ten points of the compass, so tixcd as to throw the light from right ahead to two points abaft the beam on...
Page 10 - By day she shall carry in a vertical line one over the other, not less than 6 feet apart, where they can best be seen, three shapes not less than 2 feet in diameter, of which the highest and lowest shall be globular in shape and red in color and the middle one diamond in shape and white.