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- Q142 - Navigation Problems: Oceans
144. On 20 November your 0612 zone time (ZT) position was LAT 25°38.0'N, LONG 166°54.0'W. Your vessel was steaming on course 126°T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0854 ZT. The chronometer read 07h 51m 14s and was slow 02m 52s. The observed altitude (Ho) was 27°58.3'. LAN occurred at 1147 ZT. The observed altitude (Ho) was 45°35.0'. What was the longitude of your 1147 ZT running fix?
The longitude of the 1147 ZT running fix is 16512.5'W, determined by advancing the 0854 Sun line of position along the vessel's track and intersecting it with the LAN latitude.
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