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Home > Exam Tests > Radio Navigation - ATPL - Airline Transport Pilot license

Radio Navigation - ATPL - Airline Transport Pilot license

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

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1 - A cumulonimbus cloud in the vicinity of an aeroplane can cause certain navigation systems to give false indications.This is particularly true of the: Weather radar VOR DME Orbital plane and the Earth's axis

2 - Almanac data stored in the receiver of the satellite navigation system NAVSTAR/GPS is used for the: Recognition whether Selective Availability (SA) is operative Fast identification of received signals coming from visible satellites Correction of receiver clock error 300°(M)

3 - An aircraft is flying a 3° glidepath and experiences a reduction in groundspeed from 150 kt at the outer marker to 120 kt over the threshold. The effect of this change in groundspeed on the aircraft's rate of descent will be a decrease of approximately: 50 FT/MIN 250 FT/MIN 100 FT/MIN 150 FT/MIN

4 - In which frequency band do VOR transmitters operate? SHF UHF EHF For position fixing they are all based on the WGS84 ellipsoid

5 - How does a Mode S interrogator identify aircraft? An eight bit identifier, which gives 212 unique combinations A 24 bit identifier, giving over 16 million combinations The P3 pulse Only found above the correct glideslope

6 - What is the value of the track from TBX to YTB?

question nav13.jpg

170°(M) 140°(M) 097°(T) 670 fpm

7 - The ATC transponder system,excluding Mode S, contains: Four modes, each 4096 codes Two modes, each of 4096 codes Four modes, each 1024 codes The radar frequency used.

8 - Which one of the following errors can be compensated for by a NAVSTAR/GPS receiver comparing L1 and L2 frequencies? Tropospheric Multipath Receiver noise 4

9 - The 'O' followed by the letters 'KABC' indicate:

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An off-route VOR/DME A designated alternate airport The destination airport 107 NM

10 - Which of the following geometric satellite constellations provides the most accurate NAVSTAR/GPS position fix? 3 satellites with an azimuth of 120° from each other and an elevation of 45° above the horizon 4 satellites with an azimuth of 90° from each other and a low elevation above the horizon 3 satellites with a low elevation above the horizon and an azimuth of 120° from each other together with a fourth directly overhead Main control station, the monitoring station and the ground antennas

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