United States Coast Pilot: West Indies, Porto Rico and Virgin IslandsU.S. Government Printing Office, 1921 |
도서 본문에서
65개의 결과 중 1 - 5개
9 페이지
... lead and line , how- ever detailed , may have failed to find every small obstruction . For these reasons , when navigating such waters the customary sailing lines and channels should be followed , and those areas avoided where the ...
... lead and line , how- ever detailed , may have failed to find every small obstruction . For these reasons , when navigating such waters the customary sailing lines and channels should be followed , and those areas avoided where the ...
11 페이지
... lead is generally the only safe guide and should be faithfully used . SUBMARINE BELLS have an effective range of audibility greater than signals sounded in air , and a vessel equipped with receiving apparatus can determine the ...
... lead is generally the only safe guide and should be faithfully used . SUBMARINE BELLS have an effective range of audibility greater than signals sounded in air , and a vessel equipped with receiving apparatus can determine the ...
18 페이지
... lead were taken with tubes attached to the lead , errors in the tube amounting at times to as much as 25 per cent of the actual depths have been noted . Errors of 10 to 12 per cent of the actual depth were quite common . It is also ...
... lead were taken with tubes attached to the lead , errors in the tube amounting at times to as much as 25 per cent of the actual depths have been noted . Errors of 10 to 12 per cent of the actual depth were quite common . It is also ...
20 페이지
... lead in order to test the accuracy under the prevailing condi- tions of the tubes which are to be used . For this purpose it is not necessary to get bottom ; simply run out 60 to 80 fathoms of wire and then see how closely the tubes ...
... lead in order to test the accuracy under the prevailing condi- tions of the tubes which are to be used . For this purpose it is not necessary to get bottom ; simply run out 60 to 80 fathoms of wire and then see how closely the tubes ...
21 페이지
... lead actually failed to find bottom . Finally , beware of overconfidence . Tubes which have been work- ing properly for a number of soundings suddenly develop errors . It is chiefly for this reason that they have been discarded for ...
... lead actually failed to find bottom . Finally , beware of overconfidence . Tubes which have been work- ing properly for a number of soundings suddenly develop errors . It is chiefly for this reason that they have been discarded for ...
기타 출판본 - 모두 보기
자주 나오는 단어 및 구문
1½ mile 15 feet 30 feet 34 mile 34 W mag anchor anchorage Anegada Arecibo awash bank beach bearing berth bight bluff boat Buck Island Cabeza de Perro Cape Rojo Cape San Juan channel chart cliffs coast of Porto Coast Pilot coral Culebra Island Culebrita customhouse distance eastern end eastward entrance Fajardo fathoms feet high feet of water Guanica Guayanilla hill Islet Jost Van Dyke land least depth less draft lies lighthouse low water mangroves marked mile long mile southeastward mile wide miles southward miles westward nearly north side northeast northern northward passage Playa Point Arenas Ponce port Porto Rico prominent range ridge Rock rocky sailing vessels shoal south coast southward of Point steep-to steer Thomas Tortola true NW tube Vieques Vieques Island Virgin Gorda ward Water Island west side western side westward of Point wharf white light wind yards southward yards westward yards wide
인기 인용구
175 페이지 - ... 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.
174 페이지 - This article only applies to cases where vessels are meeting end on, or nearly end on, in such a manner as to involve risk of collision...
168 페이지 - On the port side a red light so constructed as to show an unbroken light over an arc of the horizon of ten points of the compass, so fixed as to throw the light from right ahead to two points abaft the beam on...
156 페이지 - 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 round the horizon at a distance of at least one mile.
170 페이지 - On the near approach of or to other vessels they shall have their side lights lighted, ready for use, and shall flash or show them at short intervals, to indicate the direction in which they are heading, but the green light shall not be shown on the port side, nor the red light on the starboard side. A pilot vessel of such a class as to be obliged to go alongside of a...
175 페이지 - I am directing my course to port." Three short blasts to mean, "My engines are going at full speed astern.
175 페이지 - 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.
175 페이지 - Nothing in these rules shall exonerate any ship, 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 look.out, 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.
172 페이지 - Nothing in these rules shall interfere with the operation of any special rules made by the government of any nation with respect to additional station and signal lights for two or more ships of war or for vessels sailing under convoy...
170 페이지 - ... mile, or a combined lantern showing a green light and a red light from right ahead to 2 points abaft the beam on their respective sides. Such lantern shall be carried not less than 3 feet below the white light.