Email
info@vayudootaviation.com
Phone No
+91 7276526726
become a pilot
Home
About us
courses
CPL
ATPL
RTR(A)
Airline Cadet Program
IGRUA Entrance Prep
B.Sc. Aviation
Pilot Training
INDIA
USA
CANADA
SOUTH AFRICA
NEW ZEALAND
EUROPE
Aircraft Type-Rating
Airbus A320
Boeing 737
Blogs
contact
CPL Test Series
Question Bank
Questions for INDIGO RADIO NAVIGATION
Answer the following questions
Test Mode
Training Mode
1.
An aircraft carrying out a 3° glidepath ILS approach 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
100 FT/MIN
250 FT/MIN
150 FT/MIN
50 FT/MIN
2.
Which of the following lists are all errors that affect the accuracy and reliability of the Satellite-Assisted Navigation system (GNSS/GPS)?
Satellite mutual interference, frequency drift, satellite to ground time lag
Satellite mutual interference, satellite ephemeris, atmospheric propagation
Satellite clock, satellite ephemeris, atmospheric propagation
Satellite to ground time lag, atmospheric propagation, satellite clock
3.
In which one of the following circumstances is ground direction finding (VDF) likely to be used to fix an aircraft's position?
On first contact with ATC on crossing an international FIR boundary
When declaring an emergency on any frequency
When using the emergency VHF frequency 121.5 MHz
When contacting ATC to join controlled airapace from the open FIR
4.
GPS system satellites transmit their signals on two carrier waves 1575 MHz and 1227 MHz and supply two possible codes accessible acording to user (civil or military).Commercial aviation uses
only the 1 575 MHz carrier wave and one code
the two carrier waves and one public code
only the 1 575 MHz carrier wave and two codes
only the 1 227 MHz carrier wave and one code
5.
What is the minimum number of satellites required for a Satellite-Assisted Navigation System (GNSS/GPS) to carry out two dimensional operation?
2
3
5
4
6.
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)?
The only advantage of coupling both systems is double redundancy
The activation of 'Selective Availability' can be recognised by the INS
The average position calculated from data provided by both systems increases overall accuracy
The GNSS can be used to update a drifting INS
7.
Concerning the NAVSTAR/GPS satellite navigation system, what is the meaning of the term 'Receiver Autonomous Integrity Monitoring' (RAIM)?
It is the ability of the GPS satellites to check the integrity of the data transmitted by the monitoring stations of the ground segment
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
It is a technique by which a receiver ensures the integrity of the navigation information
8.
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?
The prescribed IFR-equipment must be installed and operational
The prescribed IFR-equipment must be in working correctly and the navigation information continuously displayed
The RAIM-function of the GPS receiver must be able to monitor all prescribed navigation systems
Multi-sensor systems are not certificated for flights under IFR conditions
9.
A frequency of airborne weather radar is
9375 kHz
9375 MHz
93.75 MHz
9375 GHz
10.
Which of the following equipments works on the interrogator/transponder principle?
Secondary Surveillance Radar (SSR)
Aerodrome Surface Movement Radar
Airborne Weather Radar (AWR)
Global Positioning System (GPS)
11.
ICAO Annex 11 defines Area Navigation (RNAV) as a method of navigation which permits aircraft operation on any desired flight path
outside the coverage of station-referenced navigation aids provided that it is equipped with a minimum of one serviceable self-contained navigation aid
within the coverage of station-referenced navigation aids or within the limits of the capability of self-contained aids, or a combination of these
outside the coverage of station-referenced navigation aids provided that it is equipped with a minimum of two serviceable self-contained navigation aids
within the coverage of station-referenced navigation aids provided that it is equipped with a minimum of one serviceable self-contained navigation aid
12.
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
heavy precipitation may disturb guidance signals
to increase distance from the runway during offset approach operations
to increase aircraft separation in very reduced visibility conditions
aircraft manoeuvring near the runway may disturb guidance signals
13.
'Night Effect' which causes loss of signal and fading, resulting in bearing errors from NDB transmissions, is due to
the effect of the Aurora Borealis
skywave distortion of the null position and is maximum at dawn and dusk
interference from other transmissions and is maximum at dusk when east of the NDB
static activity increasing at night particularly in the lower frequency band
14.
The BFO selector on an ADF receiver is used to
stop loop rotation
find the loop 'null' position
hear the IDENT of some NDB stations radiating a continuous wave signal
hear the IDENT and must always be switched ON
15.
DME channels utilise frequencies of approximately
600 MHz
1000 MHz
300 MHz
110 MHz
16.
On a DME, display counters rotating throughout their range indicates
the airborne receiver is conducting a range search
the airborne equipment is conducting a frequency search
airborne equipment failure
ground equipment failure
17.
In which navigation system does the master station transmit a continuous string of pulses on a frequency close to 100 kHz?
Loran C
GPS
Decca
Doppler
18.
Which of the following will give the most accurate calculation of aircraft ground speed?
A DME station sited across the flight route
An ADF sited on the flight route
A DME station sited on the flight route
A VOR station sited on the flight route
19.
In a primary radar using pulse technique, the ability to discriminate between targets in azimuth is a factor of
Pulse Recurrence Rate (PRR)
beam width
pulse length
aerial rotation rate
20.
At what approximate height above the WGS-84 ellipsoid are NAVSTAR/GPS satellites circling the earth?
36000 km
10900 km
20200 km
19500 km
21.
The theoretical maximum range for an Airborne Weather Radar is determined by the
pulse recurrence frequency
size of the aerial
transmission power
transmission frequency
22.
Radar returns, on a B737-400, can be displayed on all Electronic Horizontal Situation Indicator (EHSI) screen modes of an Electronic Flight Instrument System (EFIS) WITH THE EXCEPTION OF
FULL VOR/ILS, EXP VOR/ILS and PLAN
FULL NAV, FULL VOR/ILS and PLAN
EXP VOR/ ILS, PLAN and MAP
FULL NAV, PLAN and MAP
23.
The code transmitted by a SSR transponder consists of
amplitude differences
pulses
phase differences
frequency differences
24.
Erratic indications may be experienced when flying towards a basic VOR/DMEbased Area Navigation System 'Phantom Station'
when operating at low altitudes close to the limit of reception range from the reference station
because, under adverse conditions (relative bearing to the Phantom Station other than 180°/360°) it takes the computer more time to calculate the necessary information
when in the cone of silence overhead the Phantom Station
when the Phantom Station is out of range
25.
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
3000
330
6000
167
26.
In order to indicate an emergency situation, the aircraft Secondary Surveillance Radar (SSR) transponder should be set to
7600
7500
7000
7700
27.
If an aircraft flies along a VOR radial it will follow a
constant magnetic track
line of constant bearing
great circle track
rhumbline track
28.
Which of the following coordinate systems is used by the GPS receiver to determine position (Latitude, longitude and altitude)?
ED 87
ED 50
WGS 84
EUREF 92
29.
The maximum theoretical range at which an aircraft at FL230 may receive signals from a VOR facility sited at mean sea level is
151 NM
230 NM
170 NM
190 NM
30.
Which of the following statements concerning LORAN-C is correct?
It is a hyperbolic navigation system that works on the principle of range measurement by phase comparison
It is a navigation system based on secondary radar principles, position lines are obtained in sequence from up to eight ground stations
It is a hyperbolic navigation system that works on the principle of differential range by pulse technique
It is a navigation system based on simultaneous ranges being received from a minimum of four ground stations
31.
Which one of the following sensors/systems is self-contained and obtains no external information?
Inertial Navigation System (INS) position
Pressure altitude
VOR/DME radial/distance
Magnetic heading
32.
Given : Compass heading 270°Deviation 2°WVariation 30°E Relative bearing 316° What is the QDR?
044°
224°
046°
226°
33.
The principle used in VOR bearing measurement is:phase comparison
phase comparison
difference in depth of modulation
envelope matching
beat frequency discrimination
34.
Under JAR-25 colour code rules for Electronic Flight Instrument Systems (EFIS), selected data and values are coloured
green
yellow
magenta
white
35.
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
VOR and DME callsigns were the same and broadcast with the same pitch
DME callsign is the one with the lower pitch that was broadcast several times
DME callsign was not transmitted, the distance information is sufficient proof of correct operation
DME callsign is the one with the higher pitch that was broadcast only once
36.
The Flight Management Computer (FMC) position is
another source of aircaft position, it is independent of other position sources (IRS, Radio, ILS etc)
the same as that given on the No. 1 IRS
the actual position of the aircraft at any point in time
the computed position based on a number of sources (IRS, Radio, ILS, GPS etc)
37.
Which of the following lists all the parameters that can be determined by a GPS receiver tracking signals from 4 different satellites?
Latitude and longitude
Latitude, longitude and altitude
Latitude, longitude, altitude and time
Latitude, longitude and time
38.
Which of the following is a complete list of airborne weather radar antenna stabilisation axes?
roll and yaw
roll, pitch and yaw
pitch and yaw
roll and pitch
39.
In which frequency bands are the L1 and L2 frequencies used by the satellite navigation system NAVSTAR/GPS for transmission of the navigation message?
UHF
EHF
SHF
VHF
40.
A VOR is sited at position 58°00'N 073°00'W where the magnetic variation equals 32°W.An aircraft is located at position 56°00'N 073°00'W where the magnetic variation equals 28°W.The aircraft is on VOR radial
208
180
360
212
41.
A Category 1 Instrument Landing System (ILS) ground installation provides accurate guidance from coverage limit down to
runway surface
50 feet above ILS reference point
200 feet above the inner marker
200 feet above the runway threshold
42.
The database of an FMS (Flight Management System) is organised in such a way that the pilot can
read and write at any time in database
can modify the database every 28 days
only read the database
insert navigation data between two updates
43.
What is the approximate maximum theoretical range at which an aircraft at FL130 could receive information from a VDF facility which is sited 1024 FT above MSL?
150 NM
120 NM
180 NM
220 NM
44.
The captain of an aircraft flying at FL100 wishes to obtain weather information at the destination airfield from the airfield's VOR. At what maximum theoretical range will it be possible to obtain this information?
12.3 NM
123 km
123 NM
1230 km
45.
Which of the following statements concerning the L1 and L2 NAVSTAR/GPS transmission frequencies and codes is correct?
The higher frequency is only used to transmit the P code
C/A and P codes are transmitted at different times on both frequencies
The higher frequency is used to transmit both the C/A and P codes
The lower frequency is used to transmit both the C/A and P codes
46.
The two signals transmitted by a conventional VOR ground station are 90° out of phase on magnetic
north
south
west
east
47.
In order to plot a bearing from a VOR station, a pilot needs to know the magnetic variation
at the half-way point between the aircraft and the station
at the aircraft location
at both the VOR and aircraft
at the VOR
48.
If VOR bearing information is used beyond the published protection range, errors could be caused by
interference from other transmitters
sky wave interference from distant transmitters on the same frequency
sky wave interference from the same transmitter
noise from precipitation static exceeding the signal strength of the transmitter
49.
The prime factor in determining the maximum unambiguous range of a primary radar is the
pulse recurrence rate
height of the transmitter above the ground
size of parabolic receiver aerial
power output
50.
MLS installations notified for operation, unless otherwise stated, provide azimuth coverage of
+ or - 40° about the nominal courseline out to a range of 30 NM
+ or - 20° about the nominal courseline out to a range of 10 NM
+ or - 40° about the nominal courseline out to a range of 20 NM
+ or - 20° about the nominal courseline out to a range of 20 NM
Submit
Make New Set
