Gnav 5

The direction of Magnetic North at a certain position coincides with the direction of:

• the isogonic line to the Magnetic North Pole.

• the isoclinic line to the Magnetic North Pole.

• the horizontal component of the Earth's magnetic field.

• the great circle to the magnetic North Pole.

A flight is planned from A (37°00.0'N 000°00.0'E/W) to B (46°00.0'N 000°00.0'E/W). The distance in kilometres from A to B is approximately:

• 540km

• 794km

• 1000km

• 1771km

The local mean time at longitude 095°20'W, at 0000 UTC, is:

• 17:38:40 same day.

• 06:21:20 previous day.

• 06:21:20 same day.

• 17:38:40 previous day.

An aircraft at latitude 02°20'N tracks 180°(T) for 685km. On completion of the flight the latitude will be:

• 03°50'S

• 04°10'S

• 04°30'S

Given: A(56°N,145°E) B(57°N,165°W) What is the difference in longitude between A and B?

• 020°

• 130°

• 050°

• 001°

An aircraft leaves 0°N/S 45°W and flies due South for 10 hours at a speed of 540 kts. What is its position?

• South Pole.

• North Pole.

• 30°S.

• 45°S.

How many degrees has the mean sun moved along the celestial equator in 8 hours and 8 minutes?

• 18°

• 148°

• 122°

• 56°

An aircraft at latitude 06°12.0'S tracks 000°(T) for 1667km. On completion of the flight the latitude will be:

• 21°12.0'S

• 21°12.5'N

• 08°48.0'N

• 09°14.0'N

Spring and Autumn are the moments at which the sun reaches:

• a declination of 23.5°

• its highest declination

• a declination of 0°

• a declination of 66.5°

When dealing with heights and altitudes in international aviation, we use the following units:

• metre and foot.

• foot, kilometre and decimals of nautical mile.

• foot and yard.

• all answers are correct.