Nav Problem Answer: Isambard Kingdom Brunel and Great Britain

1. What is the GMT? 2. The captain observes the sun with an Hs of 12° 30.’ Find the HO. 3. Calculate LHA. 4. Using HO249, Volume 3, calculate intercept LOP. Then plot estimated position. 1. GMT is 20:15:59. 2. HO is 12° 37.7’. 3. LHA is 62°. 4. Intercept is 36.3 nm away at 244°. Estimated position is N 46° 24’ by W 58° 14’.  
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The end of Albatros – Answers

A. Find LHA of Aries. B. The three stars are Hamal with an Ho of 41° 40.7’; Achernar with an Ho of 20° 12.3’; and Altair with an Ho of 42° 28’. Compare with the Hc of the stars as calculated in Ho 249 and find intercept and bearing. C. The AP is N 5° by W 85° 08.6’. Precession and nutation is 3 minutes at 70°. Find the fix. A. LHA of Aries is 346°. B. Intercept for Hamal is 15.3 nautical miles away, Zn is 063°. Intercept for Achernar is 13.7 nautical miles away, Zn is 159°. Intercept…
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