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02 Direction of the Earth

Total questions: 14

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

What is the magnetic direction, given an aircraft is heading 100°T and the local variation is 10°E?

a)

090°M

b)

110°M

2.

What is the Magnetic Heading of an aircraft, when Variation is 22°E, the Relative Bearing of an object from the aircraft is 030°R and the True Bearing of the same object from the aircraft is 268°T?

a)

036°M

b)

078°M

c)

216°M

d)

222°M

3.

Given that Nelson aerodrome (NZNS) bears 292°T from Wellington aerodrome (NZWN), what is the true bearing of NZWN from NZNS?

a)

112°T

b)

292°T

4.

Select the set of words that, when inserted into the gaps of this text, PRODUCES A TRUE STATEMENT

“The difference between True North and Magnetic North is called (i) ________ and its value (ii) __________ “

a)

(i) variation (ii) remains the same around the globe

b)

(i) deviation (ii) varies around the globe

c)

(i) variation (ii) varies around the globe

d)

(i) deviation (ii) remains the same around the globe

5.

What is an aircraft’s heading in degrees True, given that it is heading 270°C, deviation is 4°W and variation is 22°E?

a)

288°T

b)

296°T

c)

252°T

d)

270°T

6.

What is the relative bearing of ‘A’ from the aircraft given that the aircraft is maintaining a heading that is keeping it on track direct to destination ‘A’ with 7° Right drift.

a)

007°R

b)

353°R

c)

173°R

d)

187°R

7.

Variation is defined as ….

a)

the angular difference between a line of Latitude and the Earth’s Magnetic pole.

b)

the angular difference between Compass and Magnetic Direction

c)

the angular difference between True and Compass direction

d)

the angular difference between True and Magnetic Direction

8.

What navigation word or term is used to name a line on a chart joining places of equal magnetic variation?

a)

isobar

b)

isogonal

c)

isograph

d)

isotach

e)

agonic line

9.

What is the phrase used to identify an altered reading on the aircraft’s magnetic compass caused by magnetic interference from aircraft electrical components?

compass swing

deviation

alteration

variation

a)

compass swing

b)

deviation

c)

alteration

d)

variation

10.

With respect to the naming of compass directions, what word is used to describe a direction that is 90 degrees clockwise from 360 degrees north?

a)

North

b)

East

c)

South

d)

West

11.

With respect to the naming of compass directions, what word is used to describe a direction that is the reciprocal of 90 degrees clockwise from 360 degrees north?

a)

North

b)

East

c)

South

d)

West

12.

Given that an aircraft is tracking 280°M in an area that has a variation value of 4°W, what is its true heading?

a)

096°T

b)

104°T

c)

276°T

d)

284°T

13.

What compass cardinal point name is used to describe an aircraft’s position relative to a nominated place in the following circumstance: - an aircraft is flying a heading 090°M: the nominate place is 090 degrees relative.

a)

NORTH of the nominated place

b)

EAST of the nominated place

c)

SOUTH of the nominated place

d)

WEST of the nominated place

14.

With respect to using clock reference to identify relative bearing, what clock value is used to describe the relative bearing of an object that is exactly 90 R abeam of an aircraft tracking 360°T?

a)

nine o’clock

b)

None. It is not possible to provide a clock reference in the nominated circumstance(s)

c)

six o’clock

d)

three o’clock

e)

twelve o’clock