Radio Navigation - ATPL - Airline Transport Pilot license

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

1 - An aircraft at FL 100 should be able to receive a VOR groundstation at 100' above MSL at an approximate maximum range of: 123 NM 137 NM 145 NM 130 NM

2 - The receiver aerial for a NAVSTAR/GPS system should be mounted: In the vicinity of the receiver to avoid long transmission lines Inside the tail fin to minimise the influence of reflections from the wing and fuselage Under the fuselage in order to receive correction data transmitted by D-GPS stations Only the 1575 MHz carrier wave and one code

3 - GPS system satellites transmit their signals on two carrier waves 1575 MHz and 1227 MHz and supply two possible codes accessible according to user (civil or military).Commercial aviation is now able to use: Only the 1575 MHz carrier wave and two codes Only the 1227 MHz carrier wave and one code The two carrier waves and one public code SHF

4 - Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in MAP mode?

Figure 4 Figure 3 Figure 2 Figure 5

5 - The DME (Distance Measuring Equipment) operates within the following frequencies: 329 to 335 MHz 108 to 118 MHz 962 to 1213 kHz. Greater detail can be obtained at the more distant ranges of the smaller water droplets

6 - Concerning the NAVSTAR/GPS satellite navigation system, what is the meaning of the term 'Receiver Autonomous Integrity Monitoring' (RAIM)? It is a technique by which a receiver ensures the integrity of the navigation information It is a technique whereby the receivers of the world-wide distributed monitor stations (ground segment) automatically determines the integrity of the navigation message It is a method whereby a receiver ensures the integrity of the Pseudo Random Noise (PRN) code transmitted by the satellites 6

7 - Precision RNAV (P-RNAV) requires a track-keeping accuracy of: ± 10.0nm for 95% of the flight time. ± 5.0nm for 95% of the flight time. ± 1.0nm for 95% of the flight time. 1300MHz

8 - Which of the following is likely to have the greatest effect on ADF accuracy? Interference from other NDBs, particularly during the day Frequency drift at the ground station Mutual interference between aircraft aerials 107 NM

9 - At what approximate height above the WGS-84 ellipsoid are NAVSTAR/GPS satellites circling the earth? 10900 km 20200 km 19500 km 18

10 - The selection of code 7600 on an aircraft SSR transponder indicates: An emergency Radio communication failure Transponder malfunction 6.8 km

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