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CONVERGENCY QUESTIONS Grid heading is 299°, grid convergency W55° and magnetic variation is W90°. What is the corresponding magnetic heading? 084° 154° 264° 334° “A” latitude is 00° “B” is located at N 33° E101° True Track (GC) from A to B at B is 090° The initial true track of the GC at A is? 057° 303° 123° 237° Given: A is N 55° 000° B is N 54° E 010° The average true course of the Great Circle is 100° The true course of the rhumb line at point A is: 104° 096° 107° 100° Position A is located on the equator at longitude E 130° 00’ Position B is located 100 nm from A on a bearing of 225°(T) The coordinates of position B are: S 01° 11 E 131° 11’ S 01° 11 E 128° 49’ N 01° 11 E 128° 49’ N 01° 11 E 131° 11’ The angle between the true great circle track and the rhumb line track joining the following points: A (S 60° W 165°) and B (S60° E 177°), at the place of departure is: 5.2° 9° 15.6° 7.8° Position A is (S 31° 00’ W 176° 17’) Rhumb line track (T) from A to B is 270° Initial great circle track (T) from A to B is 266.2° The approximate position of B is? S 31° 00’ W 161° 32’ S 31° 00’ E 173° 24’ S 31° 00’ E 168° 58’ S 31° 00’ W 173° 24’ A great circle track joins position A (S 59° W 141°) and B (S 61° W 148°). What is the difference between the great circle track at A and B? It increases by 6° It decreases by 6° It decreases by 3° It increases by 3° Position A (S 56° 00’ E 163° 57’) Position B (S 56° 00’ W 171° 47’) For the route from A to B the …….. Rhumb line distance is 1206.6 nm Rhumb line distance is 1455.4 nm Great circle direction at B is 080.7° Great circle direction at B is 100.1° An aircraft passes position A (N 60° 00’ W 120° 00’) on route to position B (N 60° 00’ W 140° 30’). What is the great circle track on departure from A? 261° 270° 279° 288° The great circle bearing of position B from position A in the northern hemisphere is 040°. If the conversion angle is 4°, what is the great circle bearing of A from B?