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- Q127 - Navigation Problems: Oceans
170. On 22 July at 0720 ZT, in DR position LAT 20°38.2'N, LONG 87°16.0'W, you observe the Moon's lower limb. The sextant altitude (hs) is 38°32.6, and the chronometer reads 01h 18m 14s. The chronometer is 01m 28s slow. The index error is 3.1' off the arc, and the height of eye is 68 feet. What is the azimuth (Zn) and intercept (a) of this sight from the assumed position?
The correct answer is determined by correcting the sextant altitude, reducing the Moon sight from an assumed position, and observing a 5.0' Toward intercept at a true azimuth of 248.6.
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