1. 2nd Mate Great Circle Sailing
questions

2. 22) Find the initial and final course and great circle distance
from Lizard point (49° 50’N, 005°12’W) to Barbados
(13°06’N,059* 20’W).
23)From a position ‘A’ off Cadiz in latitude 36°N longitude
007°W to a position ‘B’ off Montevideo in latitude 35°S long
056W, find the great circle distance and initial course.
24) Find the distance along the great circle, the initial
course and final course when sailing from 33° 50’S 023°
12’E to 20* 10 S 104°00’E.

3. 25)Find out Great circle distance, initial course, and position
of vertex between following positions”
From 19° 00’N 067° 00’W to 36° 00’N 006* 30’W.
26)Find the initial course and Great Circle distance from
27°30.0’N,011°45’E to 43°00.0’ N , 077°15’E.
27) Find the initial, final courses and the distance on the
great circle track between Lat 38°N 124°W and Lat 44°N,
164°E.

4. 28) From a position ‘A’ off Cadiz in latitude 36°N longitude
007°W to a position ‘B’ off Montevideo in latitude 35°S long
056°W, find the great circle distance and initial course.
29) Find the initial and final course and the shortest
distance from a position in lat.31° 40’S Long 142° 40’E to lat
12° 40’N long 126°30’E.
30) Find the initial course and the great circle distance
between 32° 12’N, 018° 15’E to 05° 40’N, 034° 20’W.

5. 31) From a position 00° 00’N 090° 00’E, the ship’s initial
great circle course was 037°. Determine the position and
the course of the vessel after she has traversed a distance
of 2100M along the great circle track.
32) Find the initial and final course, distance by great circle
sailing from a position ‘A’ in Lat 10° 00’S Long 150 00’W to a
position ‘B’ in Lat 40° 00’N Long 160 00’E.
33) a) Find the great circle distance and the initial course
from a position off Cape Palliser of 41° 40’S 175° 25’E to a
position 07° 00’N 080° 50’W off Panama.
b) Find the latitude and the course of the vessel where the
track crosses the meridian of 178 43’W.

6. 34) Vessel sailed on initial G.C.Course 210° (T) from 38 30’ S
025° 30’ W. Find the longitude arrived after sailing 1000nm
and the final course?
35)Find the initial course, final course and position of vertex
between position 30°N, 060°E to 50°S, 155°E.
36)Find the great circle distance and final course by Great
circle sailing from position ‘A’ in Lat 10° 00’S Long 150°
00’W to a position ‘B’ in Lat 40 N Long 160°00’E.

7. 37) Find the initial and final courses and the distance by a
great circle track from A: 25°00’N 074 ° 15’W to B: 45° 00’N
053°45’W.
38) Find the initial course and the great circle distance
between 32° 12’N 018°15’E to 05° 40’N 034° 20’W.
39) Find the initial and final courses and the distance by a
great circle track from A: 25° 00’N 074° 15’W to B: 45°00’N
053° 45’W.

8. 40) A vessel sailed from position A: 21° 30’N 073° 00’W to
position B: 40° 00’N 053° 30’W.Find the initial course, final
course and distance steamed by great circle track?
41) A ship sails on a great circle track from position 30° 20’N
085° 17’E to position 42 50’N 110° 28’E. Calculate the initial
course and great circle distance.
42) Find the great circle distance, initial and final courses,
from 10° 30’S 150° 00’W to 40° 00’N 159° 30’E.