The American practical navigator : being an epitome of navigation and nautical astronomy (1888)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Navigation, Cooper, Philip Henry, 1844-1912 · Washington : Govt. Print. Off. · leaf 42
le TCCr, thevalue of which depends upon various circumstances ; there-fore, the angle TCvi must be determined and applied to theright or left of the indicated compass course, according asthe ship is on the port or starboard tack, to obiain NCG,the true course made good. In fact it may occur that in… … Variation of the Compass.Deviation of the Compass.Heeling Deviation. 2. Set of Screw. ■3. Leeway. 4. Good or Bad Steerage. Examples. Let it be required to correct for deviation the following courses steered, using the Table of Devi-ations of Art. 58: (I) Course, N. E. by E. (2) S. W. (3) W.…
Navigation · Nautical astronomy
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