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- Q135 - Navigation Problems: Oceans
351. On 4 June at 0630 ZT, morning stars were observed, and the vessel's position was determined to be LAT 26° 15' S, LONG 121° 20' W. Your vessel is steaming at 13.0 knots on a course of 246° T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 05h 14m 27s, and the sextant altitude is 25° 57.8'. The index error is 2.1' off the arc, and the chronometer error is 0m 53s slow. Your height of eye is 39.0 feet. What is the azimuth (Zn) and intercept (a) of this sight using the assumed position method?
Sight reduction from the assumed position yields an azimuth of 044.6 and an intercept of 2.5' toward the Sun.
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