General Navigation

Question 1

Departure

Answer 1

Cos (latitude) x change in longitude

Question 2

Convergency

Answer 2

Sin (mean latitude) x change in longitude

Question 3

Conversion angle
(Great circle to rhumb line)

Answer 3

Convergency / 2

Question 4

Max geodetic / geocentric error

Answer 4

At 45N and 45S latitudes

Question 5

Greatest difference between rhumb line and great circle track

Answer 5

East-west tracks at high latitudes

Question 6

Parallel of latitude is a…

Answer 6

Rhumb line and a small circle

Question 7

Line of equal magnet dip

Answer 7

Isocline

Question 8

Line of equal magnetic variation

Answer 8

Isogonal

Question 9

Conformal chart

Answer 9

Shapes / angles are shown correctly

Meridians are perpendicular to parallels (can be curved or straight graticule)

Straight lines are a great circle

Question 10

Type of chart produced by cylindrical projection

Answer 10

Direct Mercator

Question 11

Type of chart produced by conical projection

Answer 11

Lambert Conformal

Question 12

Type of chart produced by plane projection

Answer 12

Polar stereo graphic

Question 13

Constant of cone of lambert chart

Answer 13

Sin (latitude of parallel of origin)