When using GPS, how many position lines are required for a 2D (dimensional) fix?

• 1

• 2

• 3

• 4

When using GPS, how many position lines are required for a 3D (dimensional) fix that takes into account altitude?

• 1

• 2

• 3

• 4

In aviation, what does the acronym VOR stand for?

• Visual Omni Range

• VHF Omni Range

• Variable Omni Range

• Vertical Omni Range

When the VOR CDI displays a deviation to the right, the aircraft position is at the left of VOR central line

• True

• False

What does not contribute to the commercial GPS receiver position error?

• Satellite clock

• Atmospheric/ionospheric propagation

• Receiver noise

• Aircraft speed

Which statement concerning GPS is TRUE?

• It may be suspended without warning.

• It cannot be used in all parts of the world.

• There are 12 functioning GPS satellites at present.

• Two position lines are used to give a 2D fix.

How many signals does VOR transmit

• 1

• 2

• 3

• 4

The radio signal that keeps the aircraft descending at a safe angle is called the Localiser.

• True

• False

a primary radar with a maximum range of 100 km, what is the pulse duration if the duty cycle is 25%

• 0.33 ms

• 0.67 ms

• 0.167 ms

• 1500 ms