02 Direction of the Earth

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

• 090°M

• 110°M

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?

• 036°M

• 078°M

• 216°M

• 222°M

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

• 112°T

• 292°T

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) __________ “

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

• (i) deviation (ii) varies around the globe

• (i) variation (ii) varies around the globe

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

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?

• 288°T

• 296°T

• 252°T

• 270°T

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.

• 007°R

• 353°R

• 173°R

• 187°R

Variation is defined as ….

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

• the angular difference between Compass and Magnetic Direction

• the angular difference between True and Compass direction

• the angular difference between True and Magnetic Direction

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

• isobar

• isogonal

• isograph

• isotach

• agonic line

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

• compass swing

• deviation

• alteration

• variation

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?

• North

• East

• South

• West