Sailing Directions for the West Coasts of Mexico and Central America: From the United States to Colombia Including the Gulfs of California and Panama |
From inside the book
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Page 15
... lying in west longitude from the zero zone are likewise numbered in sequence from 1 to 12 and are called plus zones , be- cause in each of these zones the zone number must be added to the standard time in order to obtain the Greenwich ...
... lying in west longitude from the zero zone are likewise numbered in sequence from 1 to 12 and are called plus zones , be- cause in each of these zones the zone number must be added to the standard time in order to obtain the Greenwich ...
Page 42
... lying southward of and parallel to Tanner Bank , is about 20 miles long and 2 to 4 miles wide within the 50 - fathom curve . The least depth , 21⁄2 fathoms , is over Bishop Rock , but 5 miles northwestward of that rock there is a 10 ...
... lying southward of and parallel to Tanner Bank , is about 20 miles long and 2 to 4 miles wide within the 50 - fathom curve . The least depth , 21⁄2 fathoms , is over Bishop Rock , but 5 miles northwestward of that rock there is a 10 ...
Page 49
... lying 1 mile northwestward of Cape Henslow , is about 1⁄2 mile long and 45 feet high with deep water close - to . Breakers have been observed to extend 500 yards northwestward and 700 yards southeastward from this rock during a ...
... lying 1 mile northwestward of Cape Henslow , is about 1⁄2 mile long and 45 feet high with deep water close - to . Breakers have been observed to extend 500 yards northwestward and 700 yards southeastward from this rock during a ...
Page 50
... lies about 3/4 mile westward of the extreme western point . Roca Partida is a dangerous barren rock , 100 yards long , 50 yards wide , and 110 feet high , lying 67 miles westward of Socorro Island . It consists of two white pinnacle ...
... lies about 3/4 mile westward of the extreme western point . Roca Partida is a dangerous barren rock , 100 yards long , 50 yards wide , and 110 feet high , lying 67 miles westward of Socorro Island . It consists of two white pinnacle ...
Page 57
... lying , respectively , 2 and 3/4 mile westward of the north end of South Coronado , are small barren rocks , 251 and 101 feet high , respectively . The islet second in size and the north- westernmost of the group , lying 21/2 miles west ...
... lying , respectively , 2 and 3/4 mile westward of the north end of South Coronado , are small barren rocks , 251 and 101 feet high , respectively . The islet second in size and the north- westernmost of the group , lying 21/2 miles west ...
Common terms and phrases
1½ mile 15 fathoms Amapala anchor anchorage bank bearing bight bluff point boats Boca buoys canal Cape Cape Corrientes Cerro channel cliffs close close-to cove curve dangers detached rocks east eastern side Ensenada entrance point Estero extends extremity fathoms feet high Guaymas gulf H. O. Chart harbor headland high water interval hills Hydrographic Office Isla Isla Saboga island islet lagoon land lies light is shown Light List Lobos Island low and sandy low water Magdalena Bay mainland Manzanillo Mazatlan mile offshore miles eastward miles long miles northward miles northwestward miles southeastward miles wide Morro mountains mouth navigation northern northwestern outer Panama peak pier pilot port Punta reef rises river rocky bluff Salina Cruz San José sand beach Santa sea breaks shoal water shore situated southern end southward sunken rocks tidal currents tide Topolobampo vessels vicinity ward weather western westward width winds
Popular passages
Page 24 - The highest and lowest of these lights shall be red, and the middle light shall be white, and they shall be of such a character as to be visible all round the horizon, at a distance of at least 2 miles.
Page 1 - Department, for the improvement of the means for navigating safely the vessels of the Navy and of the mercantile marine, by providing, under...
Page 378 - Rules and Regulations Governing Navigation of the Panama Canal and Adjacent Waters," as contained in Executive Order No.
Page 3 - Equator. 1907 1. 50 127 Star Identification Tables, giving simultaneous values of declination and hour angle for values of latitude, altitude, and azimuth ranging from 0° to 80° in latitude and altitude and 0° to 180° in azimuth.
Page 24 - ... 6 feet apart. At night two red lights shall be displayed in the same manner. In the case of a small vessel the distance between the balls and between the lights may be reduced to not less than 3 feet if necessary.
Page 23 - A gun or other explosive signal fired at intervals of about a minute. 2. The International Code signal of distress indicated by NC 3. The distant signal, consisting of a square flag, having either above or below it a ball or anything resembling a ball. 4. A continuous sounding with any fog-signal apparatus.
Page 15 - For a boat riding in bad weather from a sea anchor, it is recommended to fasten the bag to an endless line rove through a block on the sea anchor, by which means the oil can be diffused well ahead of the boat and the bag readily hauled on board for refilling, if necessary.
Page 9 - The intrinsic power of a light should always be considered when expecting to make it in thick weather. A weak light is easily obscured by haze, and no dependence can be placed on its being seen. The power of a light can be estimated by its candlepower or order, as stated in the Light Lists, and in some cases by noting how much its visibility in clear weather falls short of the range corresponding to its height.
Page 24 - A vessel of the Coast and Geodetic Survey, when at anchor in a fairway on surveying operations, shall display from the mast during the daytime two black balls in a vertical line and 6 feet apart. At night two red lights shall be displayed in the same manner. In the case of a small vessel the distance between the balls and between the lights may be reduced to 3 feet if necessary.
Page 23 - In the daytime — 1. A gun fired at intervals of about a minute. 2. The International Code signal of distress indicated by N C. 3. The distant signal, consisting of a square flag, having either above or below it a ball, or anything resembling a ball.