Radio Navigation - ATPL - Airline Transport Pilot license

Question 1

According to ICAO Annex 10, in which frequency band(s) does a locator normally transmit?

Accepted Answer

MF/HF

Answer

HF

Answer

LF/MF

Answer

HF/VHF

Question 2

The Captain of an aircraft flying at FL100 wishes to obtain weather information at the destination airfield (0') from the airfield's VOR. Assuming ISA conditions, what is the approximate maximum theoretical range at which it can be expected to obtain this information?

Accepted Answer

123 NM

Answer

12.3 NM

Answer

123 km

Answer

1230 km

Question 3

Signal reception is required from a minimum number of satellites that have adequate elevation and suitable geometry in order for a Satellite-Assisted Navigation System (GPS) to carry out independent three dimensional operation without the Receiver Autonomous Integrity Monitoring (RAIM) function. The number of satellites is:

Accepted Answer

4

Answer

6

Answer

5

Answer

3

Question 4

What information may be displayed on an ATC radar screen connected only to a primary radar system?

Accepted Answer

Aircraft position only.

Answer

Aircraft position and SSR code.

Answer

Aircraft position, SSR code and altitude.

Answer

Aircraft altitude.

Question 5

What is the colour sequence when passing over an Outer, Middle and Inner Marker beacon?

Accepted Answer

White - amber - blue

Answer

Amber - white - green

Answer

Blue - amber - white

Answer

Blue - green - white

Question 6

Airborne weather radar systems use a wavelength of approximately 3 cm in order to:

Accepted Answer

Detect the larger water droplets

Answer

Obtain optimum use of the cosecant squared beam

Answer

Transmit at a higher pulse repetition frequency for extended range

Answer

Detect the smaller cloud formations as well as large

Question 7

Mode A or C garbling may occur to:

Accepted Answer

Two or more aircraft in the same direction from the interrogator with a difference in slant range of less than 1.7NM

Answer

Two or more aircraft different directions from the interrogator at the same altitude with a difference in slant range of less than 1.7NM

Answer

Two or more aircraft different directions from the ground station at the same altitude with a difference in slant range of more than 1.7NM

Answer

Two or more aircraft in the same direction from the ground station at the same altitude with a difference in slant range of more than 1.7NM

Question 8

According to the ILS coverage area as defined by ICAO Annex 10, in which of the following situations will the pilot be guaranteed a reliable signal from the localiser?

Accepted Answer

27NM from touchdown inbound and 8° displaced from the localiser centreline.

Answer

19NM from touchdown inbound and 13° displaced from the localiser centreline.

Answer

10NM from touchdown inbound and 38° displaced from the localiser centreline.

Answer

20NM from touchdown inbound and 8° displaced from the localiser centreline.

Question 9

How long does it take a NAVSTAR/GPS satellite to orbit the earth?

Accepted Answer

Approximately 12 hours (1/2 of a sidereal day)

Answer

Approximately 24 hours (one sidereal day)

Answer

365 days because the satellites are located in a geostationary orbit

Answer

12 days

Question 10

A VOR is sited at position 58°00'N 073°00'W where the magnetic variation equals 32°W. An aircraft is located at position 56°00'N 073°00'W where the magnetic variation equals 28°W. The aircraft is on VOR radial:

Accepted Answer

212

Answer

208

Answer

180

Answer

360

Quiz Radio Navigation - ATPL - Airline Transport Pilot license

Test 10 Questions ATPL - Airline Transport Pilot license - Radio Navigation, no time limit