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’.