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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 - Errors caused by the effect of coastal refraction on bearings at lower altitudes are maximum when the NDB is:
2 - Under CS-25 colour code rules for Electronic Flight Instrument Systems (EFIS), increasing intensity of precipitation are coloured in the order:
3 - What is the cross track deviation (XTK) indicated on an RNAV system?
4 - In the NAVSTAR/GPS satellite navigation system, what is the maximum time taken to receive the complete set of almanac data from all satellites?
5 - In which mode of operation does the aircraft weather radar use a cosecant squared radiation pattern.
6 - A Primary radar operates on the principle of:
7 - What is the "Q" code for a magnetic bearing from a VDF station?
8 - 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)..........
9 - A 3-D RNAV system has capability in:
10 - In order to indicate an emergency situation, the aircraft Secondary Surveillance Radar (SSR) transponder should be set to:
11 - DME channels utilise frequencies of approximately:
12 - The track-line on the Electronic Horizontal Situation Indicator (EHSI) or Navigation Display of an Electronic Flight Instrument System:
13 - When flying at 6000 feet above ground level, the DME indicates 5 NM. What is the horizontal distance from the aircraft to overhead the DME?
14 - GPS satellites transmit on two L-band frequencies with different types of signals. Which of these are generally available for use by civil aviation?
15 - Which of the following geometric satellite constellations provides the most accurate NAVSTAR/GPS position fix?
16 - Which of the following cloud types is most readily detected by airborne weather radar when using the 'weather beam'?
17 - An aircraft tracking to intercept the Instrument Landing System (ILS) localiser inbound on the approach side, outside the published ILS coverage angle:
18 - Which of the following is correct regarding the range of an NDB?
19 - The aircraft DME receiver is able to accept replies to its own transmissions and reject replies to other aircraft interrogations because:
20 - In the MAPPING MODE the airborne weather radar utilises a:
21 - 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?
22 - The two signals transmitted by a conventional VOR ground station are 90° out of phase on magnetic:
23 - Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in Expanded (EXP) VOR/ILS mode with an VOR frequency selected?
question nav1.webp
24 - 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?
25 - 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:
26 - A VOR and an ADF are co-located. In NIL wind conditions you cross the VOR radial of 240 on a heading of 360°(M). In the vicinity of the station you should read an ADF bearing of:
27 - An NDB transmits a signal pattern in the horizontal plane which is:
28 - What is the maximum theoretical range that an aircraft at FL150 can receive signals from a VOR situated 609' above MSL?
29 - Which component of the Electronic Flight Instrument System generates the visual displays on the EADI and EHSI?
30 - An aircraft at FL 100 should be able to receive a VOR groundstation at 100' above MSL at an approximate maximum range of:
31 - Which one of the following is an advantages of a multi-sensor system using inputs from a global navigation satellite system (GNSS) and an inertial reference system (IRS)?
32 - What is the heading bug selected to?
question nav22.webp
33 - Which of the following frequency-bands is used by the Loran C navigation system?
34 - 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
35 - A weather radar, set to the 100 NM scale, shows a squall at 50 NM.By changing the scale to 50 NM, the return on the radar screen should:
36 - Which of the following combinations of satellite navigation systems provide the most accurate position fixes in air navigation?
37 - In the NAVSTAR/GPS satellite navigation system, re-use of Selective Availability would give the option to artificially degrade the accuracy by:
38 - On an ILS approach, the localiser needle is fully over to the left. How much deflection does this indicate?
39 - In ISA conditions, what is the maximum theoretical range at which an aircraft at FL80 can expect to obtain bearings from a ground VDF facility sited 325' above MSL?
40 - 3D RNAV fixing gives you:
41 - 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:
42 - In relation to the satellite navigation system NAVSTAR/GPS, 'All in View' is a term used when a receiver:
43 - A DME in tracking mode subsequently experiences a reduction in signal strength will switch the equipment in the first instance to:
44 - If an aircraft flies along a VOR radial it will follow a:
45 - 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:
46 - In order to indicate radio failure the aircraft SSR transponder should be selected to code:
47 - One of the tasks of the space segment of the satellite navigation system NAVSTAR/GPS is to:
48 - The pencil shaped beam of an airborne weather radar is used in preference to the mapping mode for the determination of ground features:
49 - What is the minimum number of NAVSTAR/GPS satellites required to produce an accurate independent 3-D position fix?
50 - An aircraft is 'homing' to a radio beacon whilst maintaining a relative bearing of zero. If the magnetic heading decreases, the aircraft is experiencing:
51 - In a 2D RNAV system you have entered the DME and VOR data for two waypoints. What do you use to work out the cross track errors when en-route from one to the other?
52 - Which of the following statements about the accuracy that can be obtained with the differential technique (D-GPS) of the satellite navigation system NAVSTAR/GPS is correct?
53 - Basic RNAV requires a track-keeping accuracy of:
54 - Which of the following statements concerning the L1 and L2 NAVSTAR/GPS transmission frequencies and codes is correct?
55 - In civil aviation, the height value computed by the receiver of the satellite navigation system NAVSTAR/GPS is the:
56 - An aircraft is 100 NM from a VOR facility. Assuming no error when using a deviation indicator where 1 dot = 2° deviation, how many dots deviation from the centre line of the instrument will represent the limits of the airway boundary? (Assume that the airway is 10 NM wide)
57 - In the event of the re-use of Selective Availability, how does this affect, if at all, the navigation accuracy of the NAVSTAR/GPS satellite navigation system ?
58 - In relation to Area Navigation Systems (RNAV), which of the following is an Air Data input?
59 - In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to STARs and SIDs is stored in the:
60 - What drift is being experienced?
question nav10.webp
61 - Regarding the DME system, which one of the following statements is true?
62 - Which of the following lists information required to input a waypoint or 'Phantom Station' into a basic VOR/DME-based Area Navigation System?
63 - What wind velocity is indicated?
question nav17.webp
64 - 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?
65 - An airway 10 NM wide is to be defined by two VORs each having a resultant bearing accuracy of plus or minus 5.5°.In order to ensure accurate track guidance within the airway limits the maximum distance apart for the transmitter is approximately:
66 - In accordance with Doc 8168, a pilot flying an NDB approach must achieve a tracking accuracy within ........ of the published approach track.
67 - 'Night Effect' which causes loss of signal and fading, resulting in bearing errors from NDB transmissions, is due to:
68 - Full scale deflection of the localiser needle indicates that the aircraft is approximately:
69 - The frequency range of a VOR receiver is:
70 - In relation to the NAVSTAR/GPS satellite navigation system, what is involved in the differential technique (D-GPS)?
71 - Which of the following combinations is likely to result in the most accurate Area Navigation (RNAV) fixes?
72 - 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?
73 - In which frequency band do most airborne weather radars operate?
74 - 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?
75 - Which of the following is one of the functions of the Computer in a basic RNAV system?
76 - In a primary radar using pulse technique, pulse length determines:
77 - An aircraft at 6400' will be able to receive a VOR groundstation at 100' above MSL at an approximate maximum range of:
78 - The OBS is set on 048°, TO appears in the window. The needle is close to full right deflection. The VOR radial is approximately:
79 - What approximate rate of descent is required in order to maintain a 3° glide path at a groundspeed of 120 kt?
80 - TVOR is a
81 - Which one of the following is an advantages of a multi-sensor system using inputs from a global navigation satellite system (GNSS) and an inertial navigational system (INS)?
82 - What is a VDF referenced to?
83 - Which of the following statements about the 'visibility' of NAVSTAR/GPS satellites is correct?
84 - How does a VOR/DME Area Navigation system obtain DME information?
85 - Airborne weather radar systems use a wavelength of approximately 3 cm in order to:
86 - If you are flying a back course ILS, you are flying a:
87 - In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to aircraft flight envelope computations is stored in the:
88 - Which of the following is an ILS localiser frequency?
89 - The MIDDLE MARKER of an Instrument Landing System (ILS) facility is identified audibly and visually by a series of:
90 - 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)
91 - In order to ascertain whether a cloud return on an Aircraft Weather Radar (AWR) is at or above the height of the aircraft, the tilt control should be set to:(Assume a beam width of 5°)
92 - What is the minimum number of satellites required by a GPS in order to obtain a three dimensional fix?
93 - The indicated range from a DME station is:
94 - On what carrier frequency does the inner marker transmit?
95 - An aircraft, at FL 410 is passing overhead a DME station at mean sea level. The DME indicates approximately:
96 - In the NAVSTAR/GPS satellite navigation system, receiver clock error:
97 - Which of the following errors is associated with the use of VOR?
98 - Which of the following will give the most accurate calculation of aircraft ground speed?
99 - In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to flight plans is stored in the:
100 - An aircraft is on the 120° radial from a VOR station. Course 340° is selected on the HSI (Horizontal Situation Indicator).If the magnetic heading is 070°, the deviation bar relative to the aeroplane model, will be:
101 - The main factor which determines the minimum range that can be measured by a pulsed radar is pulse:
102 - The amplitude modulation and the colour of an outer marker (OM) is:
103 - Of what use, if any, is a military TACAN station to civil aviation?
104 - In order to obtain an ADF bearing on a system using sense and loop aerials, the:
105 - 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:
106 - 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:
107 - Which of the following statements about the accuracy that can be obtained with the LAAS (local area augmentation system) of the satellite navigation system of the satellite navigation system NAVSTAR/GPS is correct?
108 - When an aircraft is operating its Secondary Surveillance Radar in Mode C an air traffic controller's presentation gives information regarding the aircraft's indicated flight level in increments of:
109 - The orbital planes of the satellite navigation system NAVSTAR/GPS are:
110 - The time taken for the transmission of an interrogation pulse by a Distance Measuring Equipment (DME) to travel to the ground transponder and return to the airborne receiver was 2000 micro-second, including time delay. The slant range from the ground transponder was:
111 - In relation to the satellite navigation system NAVSTAR/GPS, ''All in View'' is a term used when a receiver:
112 - The principle used in VOR bearing measurement is:
113 - Which of the following correctly describes the Instrument Landing System (ILS) localiser radiation pattern?
114 - Precision RNAV (P-RNAV) requires a track-keeping accuracy of:
115 - Which one of the following methods is used by a Microwave Landing System (MLS) to indicate distance from the runway threshold?
116 - A pilot flying an aircraft at FL 80, tunes in a VOR which has an elevation of 313 m. Given ISA conditions, what is the maximum theoretical distance at which a pilot might expect to receive the VOR signals?
117 - The letters QTX and adjacent symbol indicate a:
question nav4.webp
118 - Which one is the most correct statement regarding the range of the DME system?
119 - The middle marker transmits on:
120 - The main task of the user segment (receiver) of the satellite navigation system NAVSTAR/GPS is to:
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