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Exam simulation Radio Navigation - ATPL - Airline Transport Pilot license

Exam simulation ATPL Radio Navigation 120 questions on 120 minutes

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1 - An aircraft is flying on a heading of 270°(M). The VOR OBS is also set to 270° with the full left deflection and FROM flag displayed. In which sector is the aircraft from the VOR ground station?
2 - How many satellites form the nominal NAVSTAR GPS constellation?
3 - Which one of the following inputs to an Area Navigation System (R-NAV) comes from an external, not on-board, system?
4 - The main factor which determines the minimum range that can be measured by a pulsed radar is pulse:
5 - In a Satellite-Assisted Navigation System (GNSS/GPS), a fix is obtained by:
6 - If an aircraft flies along a VOR radial it will follow a:
7 - The middle marker transmits on:
8 - In weather radar the use of a cosecant squared beam in 'Mapping' mode enables:
9 - What is a VDF referenced to?
10 - Which one of the following is an advantage of a Microwave Landing System (MLS) compared with an Instrument Landing System (ILS)?
11 - The different segments of the satellite navigation system NAVSTAR/GPS are the:
12 - In order to plot a bearing from a VOR station, a pilot needs to know the magnetic variation:
13 - The ISO-ECHO facility of an airborne weather radar is provided in order to:
14 - A VOR is sited at position A (45°00'N, 010°00'E). An aircraft is located at position B (44°00'N, 010°00'E). Assuming that the magnetic variation at A is 10°W and at B is 15°W, the aircraft is on VOR radial:
15 - What is the procedure to be followed if, on a flight under IFR conditions using the NAVSTAR/GPS satellite navigation system, the number of satellites required to maintain the RAIM (Receiver Autonomous Integrity Monitoring) function are not available?
16 - Which of the following cloud types is most readily detected by airborne weather radar when using the 'weather beam'?
17 - On the QDR of 075° (in the vicinity of the station) with a magnetic heading of 295°, the relative bearing on the ADF indicator is:
18 - If the reference phase differs 30° with the variable phase the radial from the VOR station will be:
19 - The principle used in VOR bearing measurement is:
20 - In the NAVSTAR/GPS satellite navigation system, what is the maximum time taken to receive the complete set of almanac data from all satellites?
21 - In relation to Area Navigation Systems (RNAV), which of the following is an Air Data input?
22 - 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?
23 - What approximate rate of descent is required in order to maintain a 3° glide path at a groundspeed of 120 kt?
24 - 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:
25 - In relation to the satellite navigation system NAVSTAR/GPS, the term 'inclination' denotes the angle between the:
26 - One of the tasks of the space segment of the satellite navigation system NAVSTAR/GPS is to:
27 - Airborne weather radars are generally based on the use of:
28 - An ADF provides the aircraft with bearing information with respect to a ground station. To do this, the ground station emits a signal pattern which is:
29 - In relation to the satellite navigation system NAVSTAR/GPS, which of the following statements correctly describes the term 'Pseudo Random Noise (PRN)' signal?
30 - How does a Mode S interrogator identify aircraft?
31 - Which of the following is correct regarding the range of an NDB?
32 - Which of the following geometric satellite constellations provides the most accurate NAVSTAR/GPS position fix?
33 - In relation to primary radar, what does the term Pulse Recurrence Frequency signify?
34 - The BFO selector on an ADF receiver is used to:
35 - Your aircraft is heading 075°M. The OBI is set to 025°. The VOR indications are 'TO' with the needle showing right deflection. Relative to the stations, you are situated in a quadrant defined by the radials:
36 - In relation to the satellite navigation system NAVSTAR/GPS, ''All in View'' is a term used when a receiver:
37 - The aircraft DME receiver cannot lock on to interrogation signals reflected from the ground because:
38 - Which of the following affects VDF range?
39 - In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to cruising speeds is stored in the:
40 - What information may be displayed on an ATC radar screen connected only to a primary radar system?
41 - How long does it take a NAVSTAR/GPS satellite to orbit the earth?
42 - In a primary radar using pulse technique, the ability to discriminate between targets in azimuth is a factor of:
43 - An aircraft is situated at 30°N - 005°E with a magnetic variation of 10°W. A VOR is located at 30°N - 013°E with a magnetic variation of 15°W. The aircraft is situated on the VOR radial:
44 - Full deflection on a glide slope indicator indicates that the aircraft is:
45 - What approximate rate of descent is required in order to maintain a 3° glidepath at a groundspeed of 90 kt?
46 - Which of the following coordinate systems is used by the NAVSTAR/GPS receiver to calculate position (latitude, longitude and altitude)?
47 - What is the "Q" code for a magnetic bearing from a VDF station?
48 - The rate of descent required to maintain a 3.25° glide slope at a groundspeed of 140 KT is approximately:
49 - A radio beacon has an operational range of 10 NM. By what factor should the transmitter power be increased in order to achieve an operational range of 20 NM?
50 - The azimuth transmitter of a Microwave Landing System (MLS) provides a fan-shaped horizontal approach zone which is usually:
51 - What is measured in order to establish aircraft position in relation to the localiser beam on an ILS?
52 - According to ICAO Annex 10, in which frequency band(s) does a locator normally transmit?
53 - What are the effects, if any, of shadowing by parts of the aircraft (for example, wing) on the reception of signals from NAVSTAR/GPS satellites?
54 - Full scale deflection of the localiser needle indicates that the aircraft is approximately:
55 - How does a VOR/DME Area Navigation system obtain DME information?
56 - The selection of code 7700 on an aircraft SSR transponder indicates:
57 - How does a receiver of the NAVSTAR/GPS satellite navigation system determine the elevation and azimuth data of a satellite relative to the location of the antenna?
58 - Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in Expanded (EXP) VOR/ILS mode with a VOR frequency selected?
question nav1.webp
59 - The aircraft DME receiver is able to accept replies to its own transmissions and reject replies to other aircraft interrogations because:
60 - Which one of the following sensors/systems is self-contained?
61 - Almanac data stored in the receiver of the satellite navigation system NAVSTAR/GPS is used for the:
62 - An OBS is set to 048 with a TO flag showing. The VOR deviation bar is showing almost full right deflection. Approximately what radial are you on?
63 - Ignoring pulse length, the maximum pulse repetition frequency (PRF) that can be used by a primary radar facility to detect targets unambiguously to a range of 200 NM is: (pps = pulses per second)
64 - An aircraft at 6400' will be able to receive a VOR groundstation at 100' above MSL at an approximate maximum range of:
65 - In the MAPPING MODE the airborne weather radar utilises a:
66 - An NDB is on a relative bearing of 316° from an aircraft. Given: Compass heading 270°. At aircraft deviation 2°W, Variation 30°E. At station Variation 28°E. Calculate the true bearing of the NDB from the aircraft
67 - Which of the following errors is associated with the use of VOR?
68 - What is the cross track deviation (XTK) indicated on an RNAV system?
69 - The principle of operation of an ILS localiser transmitter is based on two overlapping lobes that are transmitted on (i).......... frequencies and carry different (ii)..........
70 - Errors caused by the effect of coastal refraction on bearings at lower altitudes are maximum when the NDB is:
71 - In order to indicate an emergency situation, the aircraft Secondary Surveillance Radar (SSR) transponder should be set to:
72 - An RMI slaved to a remote indicating compass has gone unserviceable and is locked on to a reading of 090°. The tail of the VOR pointer shows 135°. The available information from the VOR is:
73 - On what data is a VOR/DME Area Navigation system operating in the dead reckoning mode?
74 - On an ILS approach, the localiser needle is fully over to the left. How much deflection does this indicate?
75 - A locator: 1 - is a low powered beacon; 2 - is a high powered beacon; 3 - has a range of 10 - 25 NM; 4 - has a range of 10 - 200 NM.
76 - The MIDDLE MARKER of an Instrument Landing System (ILS) facility is identified audibly and visually by a series of:
77 - What is the value of the track from TBX to YTB?
question nav13.webp
78 - Which one of the following disturbances is most likely to cause the greatest inaccuracy in ADF bearings?
79 - In which frequency band do VOR transmitters operate?
80 - On an ILS approach, the glidepath needle is fully down. How much deflection does this indicate?
81 - Considering a primary radar system, what kind of aerials are used?
82 - In a primary radar using pulse technique, pulse recurrence frequency (PRF)/pulse recurrence rate (PRR) determines:
83 - If VOR bearing information is used beyond the published protection range, errors could be caused by:
84 - The 'O' followed by the letters 'KABC' indicate:
question nav21.webp
85 - What is the inclination to the equatorial plane of the satellite's orbit in the NAVSTAR GPS constellation?
86 - An Omni-bearing selector (OBS) shows full deflection to the left when within range of a serviceable VOR. What angular deviation are you from the selected radial?
87 - Assuming a five dot display on either side of the CDI on the ILS localiser cockpit display, what does each of the dots represent approximately?
88 - The diagram indicates that the aircraft is to the:
question nav8.webp
89 - The two signals transmitted by a conventional VOR ground station are 90° out of phase on magnetic:
90 - What is the wavelength of an NDB transmitting on 375 kHz?
91 - The influence of the ionosphere on the accuracy of the satellite navigation system NAVSTAR/GPS is:
92 - The maximum range obtainable from an ATC Long Range Surveillance Radar is approximately:
93 - How many clocks are installed in each NAVSTAR GPS satellite?
94 - The main task of the user segment (receiver) of the satellite navigation system NAVSTAR/GPS is to:
95 - In which frequency band do Satellite-Assisted Navigation systems (GNSS/GPS) provide position information that is available to civil aircraft?
96 - An apparent increase in the transmitted frequency which is proportional to the transmitter velocity will occur when:
97 - The track-line on the Electronic Horizontal Situation Indicator (EHSI) or Navigation Display of an Electronic Flight Instrument System:
98 - In order to measure the radial from a VOR, the aircraft VOR receiver
99 - The reason why pre take-off holding areas are sometimes further from the active runway when ILS Category 2 and 3 landing procedures are in progress than during good weather operations is:
100 - An aircraft, on a heading of 180°M is on a bearing of 270°M from a VOR. The bearing you should select on the OMNI bearing selector to centralise the VOR/ILS left/right deviation needle with TO showing is:
101 - The BFO selector switch on the ADF control panel must be in the 'on' position to enable the pilot to:
102 - At what approximate height above the WGS-84 ellipsoid are NAVSTAR/GPS satellites circling the earth?
103 - When Mode C is selected on the aircraft SSR transponder the additional information transmitted is:
104 - A radar facility transmitting at a Pulse Recurrence Frequency (PRF) of 1200 pulses/second will have a maximum unambiguous range of approximately:
105 - 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 (GNSS/GPS) to carry out independent three dimensional operation, Receiver Autonomous Integrity Monitoring (RAIM) and to isolate any faulty satellite and remove it from contributing to the navigation solution. The number of satellites is:
106 - The DME (Distance Measuring Equipment) operates within the following frequencies:
107 - Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in Expanded (EXP) VOR/ILS mode with an ILS frequency selected?
question nav6.webp
108 - Which of these markers has the highest audible frequency?
109 - Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in FULL VOR/ILS mode with an VOR frequency selected?
question nav1.webp
110 - Erratic indications may be experienced when flying towards a basic VOR/DME-based Area Navigation System 'Phantom Station':
111 - The magnetic heading of an aircraft is 040°. On the Airborne Weather Radar display the relative bearing of and the distance to the most southerly part of Lands End (approximate position: 50°03'N, 005°40'W) are 030°R and 80 NM. What is the position of the aircraft based on these observations? The slant range correction and the map convergency between aircraft position and lands end may be neglected.
question nav5.webp
112 - What are the modulation frequencies of the two overlapping lobes that are used on an ILS approach?
113 - What is the approximate angular coverage of reliable navigation information for a 3° ILS glide path out to a minimum distance of 10 NM?
114 - Which statement is correct with respect to selections on the transponder control panel?
115 - Distance Measuring Equipment (DME) operates in the:
116 - The ATC transponder system, excluding Mode S, contains:
117 - The frequency of an SSR ground transmission is:
118 - What does ADF stand for?
119 - A DME is located at MSL. An aircraft passing vertically above the station at flight level FL 360 will obtain a DME range of approximately:
120 - The advantage of the use of slotted antennas in modern radar technology is to:
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