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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 - In relation to the satellite navigation system NAVSTAR/GPS, the term 'inclination' denotes the angle between the:
2 - In order to obtain an ADF bearing on a system using sense and loop aerials, the:
3 - You are on a compass heading of 090° on the 255 radial from a VOR. You set the course 190° on your OBS. The deviation bar will show:
4 - Under CS-25 colour code rules features displayed in cyan/blue, on an Electronic Flight Instrument Systems (EFIS), indicate:
5 - Due to 'Doppler' effect an apparent decrease in the transmitted frequency, which is proportional to the transmitter's velocity, will occur when:
6 - The frequency of an SSR ground transmission is:
7 - The MIDDLE MARKER of an Instrument Landing System (ILS) facility is identified audibly and visually by a series of:
8 - Airborne weather radars are generally based on the use of:
9 - 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:
10 - The aircraft DME receiver cannot lock on to interrogation signals reflected from the ground because:
11 - Ignoring pulse length and fly-back, a radar facility designed to have a maximum unambiguous range of 50 km will have a PRF (pulses per second) of:
12 - 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
13 - 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)
14 - Which of the following combinations is likely to result in the most accurate Area Navigation (RNAV) fixes?
15 - In Mode A/C Secondary Surveillance Radar (SSR), the transponder reply code is transmitted as a sequence of:
16 - Of what use, if any, is a military TACAN station to civil aviation?
17 - How many clocks are installed in each NAVSTAR GPS satellite?
18 - A VOR and DME are co-located. You want to identify the DME by listening to the callsign. Having heard the same callsign 4 times in 30 seconds the:
19 - In which mode of operation does the aircraft weather radar use a cosecant squared radiation pattern.
20 - ICAO Annex 11 defines Area Navigation (RNAV) as a method of navigation which permits aircraft operation on any desired flight path:
21 - In a primary radar using pulse technique, pulse recurrence frequency (PRF)/pulse recurrence rate (PRR) determines:
22 - Which of the following affects VDF range?
23 - In order to indicate an emergency situation, the aircraft Secondary Surveillance Radar (SSR) transponder should be set to:
24 - 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:
25 - 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:
26 - The main task of the user segment (receiver) of the satellite navigation system NAVSTAR/GPS is to:
27 - The principle used in VOR bearing measurement is:
28 - An apparent increase in the transmitted frequency which is proportional to the transmitter velocity will occur when:
29 - Which of the following radar equipment operate by means of the pulse technique? 1. Aerodrome Surface Movement Radar 2. Airborne Weather Radar 3. Secondary Surveillance Radar (SSR) 4. Aerodrome Surveillance (approach) Radar
30 - In which situation will speed indications on an airborne Distance Measuring Equipment (DME) most closely represent the groundspeed of an aircraft flying at FL400?
31 - The OBS is set on 048°, TO appears in the window. The needle is close to full right deflection. The VOR radial is approximately:
32 - On which of the following radar displays is it possible to get an indication of the shape, and to some extent the type, of the aircraft generating the return?
33 - Which of the following satellite navigation systems has Full Operational Capability (FOC) and is approved for specified flights under IFR conditions in Europe?
34 - The prime factor in determining the maximum unambiguous range of a primary radar is the:
35 - Which of the figures depicts an Electronic Flight Instrument System (EFIS) display in MAP mode?
question nav1.webp
36 - 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:
37 - 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?
38 - In order to enter a phantom waypoint that is designated by a VOR/DME simple RNAV system, the VOR/DME
39 - Given: Magnetic heading 280° VOR radial 090° What bearing should be selected on the omni-bearing selector in order to centralise the VOR deviation needle with a 'TO' indication?
40 - Which of the following data, in addition to the Pseudo Random Noise (PRN) code, forms part of the so called 'Navigation Message' transmitted by NAVSTAR/GPS satellites?
41 - In order to indicate radio failure the aircraft SSR transponder should be selected to code:
42 - Which frequency band is used by VOR transmissions?
43 - Which of the following alternatives is correct regarding audio- and visual signals in the cockpit when passing overhead a middle marker?
44 - The Doppler Navigation System is based on:
45 - What is the value of the selected course?
question nav3.webp
46 - What approximate rate of descent is required in order to maintain a 3° glide path at a groundspeed of 120 kt?
47 - On what carrier frequency does the inner marker transmit?
48 - In which frequency band do VOR transmitters operate?
49 - The selection of code 7600 on an aircraft SSR transponder indicates:
50 - 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:
51 - What wind velocity is indicated?
question nav17.webp
52 - Which of the following is correct regarding the range of an NDB?
53 - What is the aircraft track?
question nav2.webp
54 - A 3-D RNAV system has capability in:
55 - Considering a primary radar system, what kind of aerials are used?
56 - A Primary radar operates on the principle of:
57 - How does a Mode S interrogator identify aircraft?
58 - The pencil shaped beam of an airborne weather radar is used in preference to the mapping mode for the determination of ground features:
59 - What is the colour sequence when passing over an Outer, Middle and Inner Marker beacon?
60 - You are on a magnetic heading of 055° and your ADF indicates a relative bearing of 325°. The QDM is:
61 - A VOR and an NDB are co-located. An aircraft equipped with an RMI is flying away from the beacons on a radial of 090° through an area where magnetic variation is changing rapidly. Which statement is correct?
62 - Which of the following coordinate systems is used by the NAVSTAR/GPS receiver to calculate position (latitude, longitude and altitude)?
63 - In order to indicate unlawful interference with the planned operation of the flight, the aircraft Secondary Surveillance Radar (SSR) transponder should be selected to:
64 - Which statement is correct with respect to selections on the transponder control panel?
65 - Which one of the following correctly lists the major ground based components of a Microwave Landing System (MLS)?
66 - If VOR bearing information is used beyond the published protection range, errors could be caused by:
67 - During a flight at FL 210, a pilot does not receive any DME distance indication from a DME station located approximately 220 NM away. The reason for this is that the:
68 - An aircraft is flying on the true track 090° towards a VOR station located near the equator where the magnetic variation is 15°E. The variation at the aircraft position is 8°E. The aircraft is on VOR radial:
69 - GPS satellites transmit on two L-band frequencies with different types of signals. Which of these are generally available for use by civil aviation?
70 - 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:
71 - Which one of the following lists information given by a basic VOR / DME-based Area Navigation System?
72 - Which one of the following sensors/systems is self-contained?
73 - Given: W/V (T) 230/20 KT, Var. 6E, TAS 80 KT What relative bearing from an NDB should be maintained in order to achieve an outbound course of 257°(M) from overhead the beacon?
74 - On an ILS approach, the glidepath needle is fully down. How much deflection does this indicate?
75 - Which of the following statements about the accuracy that can be obtained with the LAAS (local area augmentation system) of the satellite navigation system NAVSTAR/GPS is correct?
76 - Which of the following is correct regarding false beams on a glide path?
77 - In which frequency band do Satellite-Assisted Navigation systems (GNSS/GPS) provide position information that is available to civil aircraft?
78 - 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:
79 - An aircraft at 6400' will be able to receive a VOR groundstation at 100' above MSL at an approximate maximum range of:
80 - 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:
81 - The orbital planes of the satellite navigation system NAVSTAR/GPS are:
82 - What type of satellite navigation system NAVSTAR/GPS receiver is most suitable for use on board an aircraft?
83 - 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.
84 - ICAO recommendations are that range errors indicated by Distance Measuring Equipment (DME) should not exceed:
85 - In relation to radar systems that use pulse technology, the term 'Pulse Recurrence Rate (PRR)' signifies the:
86 - What is the maximum number of usable Secondary Surveillance Radar (SSR) transponder codes in Mode A?
87 - DME channels utilise frequencies of approximately:
88 - The influence of the ionosphere on the accuracy of the satellite navigation system NAVSTAR/GPS is:
89 - A radio altimeter employing a continuous wave signal would have:
90 - In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to waypoints is stored in the:
91 - The track-line on the Electronic Horizontal Situation Indicator (EHSI) or Navigation Display of an Electronic Flight Instrument System:
92 - 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?
93 - What is the minimum number of satellites required for the NAVSTAR/GPS to carry out two dimensional operation?
94 - Errors caused by the effect of coastal refraction on bearings at lower altitudes are maximum when the NDB is:
95 - In a primary radar using pulse technique, the ability to discriminate between targets in azimuth is a factor of:
96 - Which of the following, if any, is a prerequisite if a receiver of a NAVSTAR/GPS satellite navigation system is to be used in combination with a multi sensor system?
97 - Instrument Landing Systems (ILS) Glide Paths provide azimuth coverage (i)..... ° each side of the localiser centre-line to a distance of (ii).... NM minimum from the threshold.
98 - What is the inclination to the equatorial plane of the satellite's orbit in the NAVSTAR GPS constellation?
99 - 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?
100 - Which one is the most correct statement regarding the range of the DME system?
101 - ILS is subject to false glide paths resulting from:
102 - Which of the following lists all the parameters that can be determined by a GPS receiver tracking signals from 4 different satellites?
103 - An NDB transmits a signal pattern in the horizontal plane which is:
104 - When Mode C is selected on the aircraft SSR transponder the additional information transmitted is:
105 - A Category 1 Instrument Landing System (ILS) ground installation provides accurate guidance from coverage limit down to:
106 - In general the operation of airborne weather radar equipment on the ground is:
107 - Assuming sufficient transmission power, the maximum range of a ground radar with a pulse repetition frequency of 450 pulses per second is: (Given: velocity of light is 300 000 km/s)
108 - What is a practical advantage of the NAVSTAR/GPS 'All in View' receiver technique?
109 - Which one of the statements below is correct regarding the DME?
110 - Under which of the following circumstances does a VOR/DME Area Navigation system switch to Dead Reckoning mode?
111 - 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:
112 - On what data is a VOR/DME Area Navigation system operating in the dead reckoning mode?
113 - 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?
114 - What is the minimum level that an aircraft, at a range of 113 NM, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited 169 FT above MSL?
115 - If you are flying a back course ILS, you are flying a:
116 - Which one of the following disturbances is most likely to cause the greatest inaccuracy in ADF bearings?
117 - 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:
118 - Precision RNAV (P-RNAV) requires a track-keeping accuracy of:
119 - Which of the following statements concerning the L1 and L2 NAVSTAR/GPS transmission frequencies and codes is correct?
120 - On which displays can the pilot read the magnetic bearing from the aircraft to the NDB directly, without calculation?
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