Lake Navigation ; Nautical AstronomyInternational Textbook Company, 1902 |
Andre utgaver - Vis alle
Vanlige uttrykk og setninger
angular apparent applied azimuth barometer blade celestial body celestial sphere chart chronometer circle column compass bearing compass course Corr corresponding course and distance danger angle Decl declination departure deviation Diff difference of latitude difference of longitude direction distance run earth east ecliptic equator EXAMPLE feet given Greenwich date Greenwich mean harbor Hence horizon hour hour angle Index error instrument iron knots Lake Lake Huron latitude parallels light lighthouse magnetic bearing magnetic course measured meridian altitude method minutes Nautical Almanac nautical miles navigation needle noon object observed parallax parallel ruler parallel sailing pass pitch plane plane sailing polarity pole port position propeller right ascension rule sailing screw sextant ship ship's head side sidereal SOLUTION speed standard compass star starboard statute miles steam vessel steamer steered storm subtract sun's Thur tion Traverse Tables true course Tues variation vertical wind
Populære avsnitt
Side 37 - A vessel which is closehauled on the port tack shall keep out of the way of a vessel which is closehauled 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.
Side 34 - A steam vessel when under way shall carry — (a) On or in front of the foremast, or if a vessel without a foremast, then in the fore part of the vessel...
Side 34 - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of...
Side 34 - ... (c.) On the port side, a red light, so constructed as to show an uniform and 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 2 points abaft the beam...
Side 37 - 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.
Side 28 - ... when she shall have arrived within half a mile of such curve or bend, shall give a signal by one long blast of the...
Side 34 - ... 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.
Side 30 - Open boats shall not be obliged to carry the side lights required for other vessels, but shall, if they do not carry such lights, carry a lantern having a green slide on one side and a red slide on the other side; and on the approach of or to other vessels such lantern shall be exhibited in sufficient time to prevent collision, and in such a manner that the green light shall not be seen on the port side, nor the red light on the starboard side. Open boats, when at anchor or stationary, shall exhibit...
Side 28 - Steam vessels are forbidden to use what has become technically known among pilots as "cross signals," that is, answering one whistle with two, and answering two whistles with one. In all cases and under all circumstances, a pilot receiving either of the whistle signals provided in the rules...
Side 35 - ART. 11. 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.