Communication and Navegation Systems for Airplanes

Beschreibung

Quiz am Communication and Navegation Systems for Airplanes, erstellt von SC IDEA am 10/03/2015.
SC IDEA
Quiz von SC IDEA, aktualisiert more than 1 year ago
SC IDEA
Erstellt von SC IDEA vor etwa 9 Jahre
1325
1

Zusammenfassung der Ressource

Frage 1

Frage
1.1 In the first solo across the Atlantic in 1927, how did Charles Lindbergh keep control of the airplane while flying in clouds and darkness?
Antworten

Frage 2

Frage
Name three instruments used by the Wright Brothers in their first flight that marked the begin­ning of what would become "avionics".
Antworten
  • Stopwatch
  • turn-and bank
  • Prop counter
  • Wind speed
  • earth inductor compass

Frage 3

Frage
1.3 What generated power for Lindbergh's earth induct compass?
Antworten
  • a battery
  • an anemometer
  • an alternator
  • an engine

Frage 4

Frage
1.4 Which of the following sys­tems airlines not consider part of "avionics"?
Antworten
  • Turbocharching
  • fire de­tection
  • landing gear
  • air conditioning
  • water-waste
  • air
  • starting

Frage 5

Frage
1.5 What technology was widely adopted in avionics to reduce size and weight, as well as provide greatly increased function.
Antworten
  • semiconductor
  • radio waves
  • transponder
  • vacuum tubes

Frage 6

Frage
1.6 What system, made possible by digital elec­tronics, greatly reduces the problem of mid-air collisions?
Antworten
  • RVSM
  • AP
  • EGPWS
  • TCAS

Frage 7

Frage
1.7 What replaces early "steam gauges" in air­craft instrument panels?
Antworten
  • Flat LCD panels
  • CRT panels
  • some other crazy answer

Frage 8

Frage
1.8 How can the function of an electronic instru­ment be easily enhanced?
Antworten
  • by upgrading its software
  • by purchasing a new instrument
  • by changing its sensors
  • by apply contact cleaner

Frage 9

Frage
1.9 What does "CNS," which describes basic functions of avionics, stand for?
Antworten
  • Center of Nautical Instrument
  • Communications-Navegations-Survillance

Frage 10

Frage
1.10 "FADEC" is.
Antworten
  • An automatic electronic system that controls engine efficiency by using the less fuel as possible
  • An automatic electronic system that controls airplane primary control surfaces in order to take workload from the pilot

Frage 11

Frage
1.11 Name the world body that deliberates fu­ture aviation technology? 
Antworten
  • ANAC
  • INAC
  • FAA
  • AMC

Frage 12

Frage
2.1 Radio frequencies are measured in Hertz (Hz), after Heinrich Hertz, What was his contribution to communications?
Antworten
  • enable peoble to communicate using air as a transport medium
  • "nothing I guess"

Frage 13

Frage
What was the first system for marking cross-country airways?
Antworten
  • NDB
  • ADF
  • lighted beacons
  • radio airways

Frage 14

Frage
What was the first instrument to enable pi­lots to maintain control of an airplane without see­ing outside the cockpit?  
Antworten
  • turn and bank indicator
  • turn and bank coordinator
  • TCAS
  • Artifitial Horizont

Frage 15

Frage
What component led to the artificial horizon and autopilot?
Antworten
  • Vacuum pump
  • auto pilot computer
  • gyro

Frage 16

Frage
? Name the developer of the autopilots early systems.
Antworten
  • Thorne-Baker
  • Jimmy Doolittle
  • Alexander Graham Bell
  • Elmer Sperry

Frage 17

Frage
What type of transmitter sent the first radio message from an airplane to the ground?
Antworten
  • high frecuency transmitter
  • Marconi transmitter
  • piezo electric transmitter
  • Delco transmitter

Frage 18

Frage
Who was the pioneer who flew the flrst in­ strument flight, sometimes known as "blind flying," in 1929?
Antworten
  • Jimmy Doolittle
  • Samuel Morse
  • Elmer Sperry

Frage 19

Frage
What system in Air Traffic Control replaced position reports by voice?  
Antworten
  • reports by Morse code
  • reports by ACARS
  • Reports by datalink

Frage 20

Frage
3.2 What is the frequency coverage of the VHF com band?
Antworten
  • 3 to 30 Mhz
  • 30 to 300 Mhz
  • 300 to 3000 Mhz

Frage 21

Frage
What is the narrowest spacing for channels in the VHF com band?
Antworten
  • 3.88 Khz
  • 8.33 Khz
  • 8.33 Mhz
  • 25 Khz

Frage 22

Frage
3.6 What is the purpose of a mic key line?
Antworten
  • provide the signal that de-activate the microphone
  • provide the signal that activate the microphone
  • call Mic Key
  • Permits the use of the comminication receiver

Frage 23

Frage
3.7 A typical com radio has two frequencys
Antworten
  • True
  • False

Frage 24

Frage
3.8 What is the purpose of a squelch?
Antworten
  • Allows the user to hear throught the radio interference Caused by the atmosphere
  • is provides the mean so the user can perform a quick test on the com receiver
  • it provides interfece between ATC and pilot
  • is a filter of atmospheric noise that incorporate the receiver in order to provide a clean sound

Frage 25

Frage
3.9 What function does the "com test" control pro­vide?
Antworten
  • disable the squelch
  • activate the squelch
  • is the squelch back up fuction

Frage 26

Frage
3.10 Where is the LRU (line replaceable unit) for a com transceiver of a large aircraft located?
Antworten
  • wheel well compartment
  • electronic bay
  • cockpit
  • landing gear

Frage 27

Frage
3.11 What is a radio management system?
Antworten
  • I dont know, it does not really exist
  • is a unit the provide all of the differents com LRU control buttons and advisories in a single unit
  • It is a universal com control panel located on the cockpit

Frage 28

Frage
3.12 What is the third VHF com radio of an air­Iiner often used for?
Antworten
  • back up of the com 1 and com 2
  • sat com interface
  • ACARS
  • SELCAL

Frage 29

Frage
4.1 Are High Frequency communications not as reliable as those of VHF because the ionosphere is always changing between day and night and season to season
Antworten
  • True
  • False

Frage 30

Frage
4.2 What is the advantage of "Autotune.“
Antworten
  • reduced pilot workload
  • permits the use of the auto tune trailing edge antenna at the aft of the airplane

Frage 31

Frage
it concentrates all of the transmitter power in only on of three components
Antworten
  • LSB modulation
  • USB modulation
  • AM modulation
  • carrier wave

Frage 32

Frage
4.4 What made HF datalink successful?
Antworten
  • the extremely huge antennainternetworked
  • HFDL system relationship to HF voice
  • Automatic selection of data rates:
  • Digital signal processing
  • pre-assigned frequency to communicate with the responsible ATC
  • HF ground stations

Frage 33

Frage
4.7 What is the purpose of an HF antenna cou­pler?
Antworten
  • tunes antenna
  • auto tune the antenna
  • it is just the component that couple the antenna to its mounting

Frage 34

Frage
4.6 check the correct aseverations on HF datalink
Antworten
  • Data Relieves Congestion on Voice Frequencies
  • -Data Detects Errors and Automatically Retransmits
  • Shorter Message Transmission Time (Iess than 3 seconds vs more than 1 minute)
  • it is the preffered system of communications in short fligths

Frage 35

Frage
5.1 Select those that are true about satellite communications?
Antworten
  • it is Free from at­mospheric interference and limited bandwidth
  • it is not Free from at­mospheric interference and limited bandwidth
  • Satcom signals penetrate the ionosphere without bending or reflecting
  • Satcom signals can not penetrate the ionosphere without bending or reflecting
  • are unaffected by electrical noise or weather
  • are affected by electrical noise or weather

Frage 36

Frage
5.2 What is the name of the next generation air traffic control system based on satellites?
Antworten
  • SATCOM
  • FANS
  • ACARS
  • GPS

Frage 37

Frage
5.3 How many Inmarsat satellites provide global coverage, and where are they located?
Antworten
  • They are 24 satellites of GPS constellation in six planes
  • four satellites that hover over the equator
  • they are four satellites that are not geostacionary instead each one can see all the following regions 871 Atlantic Ocean Region – East (AOR-E) 872 Pacific Ocean Region (POR) 873 Indian Ocean Region (IOR) 874 Atlantic Ocean Region – West (AOR-W

Frage 38

Frage
The two major components of the satcom system are Ground Earth Station and Aircraft Earth Station
Antworten
  • True
  • False

Frage 39

Frage
satcom antenna that supports the full range of satcom services
Antworten
  • low gain
  • intermedium gain
  • high gain

Frage 40

Frage
select satcom antennas that must be highly directional?
Antworten
  • low gain
  • high gain
  • conformal
  • intermedium gain

Frage 41

Frage
5.9 After satellite messages are received at a GES, how do they get to their final destination?  
Antworten
  • Trough telecommunications services throughout the world.
  • trough satellite dishes over the world.

Frage 42

Frage
5.10 On what band does the aircraft send and receive satellite communications?
Antworten
  • HF
  • VHF
  • UHF

Frage 43

Frage
5.11 What is the purpose of a Beam Steering Unit?
Antworten
  • keeps the elements pointed at the satellite as the airplane posi­tion changes
  • converts signals from an intermediate frequency up into the L-band
  • SDU inter­faces with the airplane navigation system

Frage 44

Frage
5.12 What is the typical location on the airplane for an electromechanically steered antenna?
Antworten
  • under the airplane
  • at the top of vertical stabilizer
  • inside the vertical stabilizer
  • electronic bay

Frage 45

Frage
5.13 communications satellites appear to remain fixed in one position?
Antworten
  • True
  • False

Frage 46

Frage
6.1 What is the meaning of the abbreviation "ACARS"?
Antworten
  • Aircraft Communication Addressing and Repair System
  • Aircraft Communication Air and Reporting System
  • Aircraft Communication Addressing and Reporting System

Frage 47

Frage
6.2 What type of communications occur on ACARS?
Antworten
  • datalink through LF
  • datalink through L band
  • datalink through VHF
  • datalink through HF
  • datalink through UHF

Frage 48

Frage
6.3 networks operates ground and satellite services for ACAR are ARINC and SITA
Antworten
  • True
  • False

Frage 49

Frage
6.4 What is the meaning of the ACARS message "0001 OFF"
Antworten
  • preflight and taxi
  • en route
  • approach and landing
  • none of the options

Frage 50

Frage
6.5 an ACARS message received only by the aircraft it’s intended for?
Antworten
  • True
  • False

Frage 51

Frage
7.1 What does the contraction "Selcal” mean?
Antworten
  • Sectional calling
  • Local calling
  • selective calling

Frage 52

Frage
7.2 Select the reasons why Selcal is used.
Antworten
  • During oceanic flights, aircraft monitor a HF (high frequency) radio for clearances from a ground controller from long period of time
  • HF reception is often noisy
  • a pilot prefers to turn down the audio He will not miss calls intended for him
  • VHF com are not to trust

Frage 53

Frage
7.3 How many tones are in a Selcal code?
Antworten
  • 1
  • 2
  • 3
  • 4

Frage 54

Frage
7.4 How many Selcal tone pairs are transmitted simultaneously? 
Antworten
  • 1
  • 2
  • 4

Frage 55

Frage
7.5 Can two aircraft have the same Selcal code?
Antworten
  • True
  • False

Frage 56

Frage
7.6 if a pilot receives a Selcal intended for a different airplane
Antworten
  • the system is faulty
  • the pilot should double check with the controller

Frage 57

Frage
8.1 how many are sent out by an ELT during a distress call?
Antworten
  • 1
  • 2
  • 3
  • 4
  • 9

Frage 58

Frage
8.2 an ELT must be mounted
Antworten
  • perpendicular with the direction of flight
  • in line with the direction of flight
  • it does not matter

Frage 59

Frage
8.3 Name the satellites that pick up and relay ELT signals?
Antworten
  • Cospas
  • Sarsat
  • Doppler
  • Leosar
  • Geosar

Frage 60

Frage
8.4 a geostacionary satellite
Antworten
  • Doppler shift
  • receive a distress message that contains the airplane’s position provided by a GPS

Frage 61

Frage
8.5 a G-switch
Antworten
  • is the Test switch on cockpit
  • is the Geostacionary switch
  • is the impact switch

Frage 62

Frage
The 406 system is a mixture of Leosar and Geosar satellites. Leosar ("low earth orbit search and rescue") completely covers the globe
Antworten
  • True
  • False

Frage 63

Frage
9.1 Is there a combined VOR and Tacan navigational station?
Antworten
  • True
  • False

Frage 64

Frage
9.2 What problem of early radionavigation did VOR overcome?
Antworten
  • lights houses worked perfectly
  • expensive stations
  • bad weather nav

Frage 65

Frage
9.3 VOR waves travel
Antworten
  • curved
  • straight

Frage 66

Frage
9.4 Name the two major components of a VOR signal
Antworten
  • frecuency modulation
  • variable phase
  • subcarrier
  • amplitud modulation
  • reference signal

Frage 67

Frage
9.5 The reference phase broadcasts in what direction?
Antworten
  • 360 direction
  • 1direction
  • ommidirectional, ergo VOR

Frage 68

Frage
9.6 The variable phase rotates 60 times per second
Antworten
  • True
  • False

Frage 69

Frage
9.6 The variable phase rotates 10 Times per second
Antworten
  • True
  • False

Frage 70

Frage
9.7 What happens when the variable phase moves through magnetic north (O degrees)?
Antworten
  • a reference phase beams in 360 directions
  • a reference phase is on its lowest frecuency
  • a reference phase is on its highest frecuency

Frage 71

Frage
9.8 the VOR receiver know its bearing from the VOR station by counting time
Antworten
  • True
  • False

Frage 72

Frage
9.9 Besides fixed and variable phase signals, are there other information broadcasted by a VOR station?
Antworten
  • True
  • False

Frage 73

Frage
9.10 Why is it necessary to place the reference phase signal on an FM subcarrier?
Antworten
  • because it is a to low frecuency
  • because it is in a to hi frecuency
  • because its a signal with little power

Frage 74

Frage
9.11 What is the purpose of the course deviation indicator (CDI) on a VOR receiver?
Antworten
  • indicates the airplane heading
  • indicates the VOR graund station magnetic bearing selected on the instrument
  • indicates the VOR graund station runway

Frage 75

Frage
• 10.2 How is RVR (Runway Visual Range) measured on an ILS runway?
Antworten
  • Is estimated by a weather observer and stated in miles
  • by a transmissometer
  • By measuring the loss of light (caused by haze or fog)

Frage 76

Frage
• 10.3 Name the categories of ILS.
Antworten
  • Cat I-II-III
  • Cat I-IIa-IIb- IIIa-IIIb-IIIc
  • Cat I-II-IIIa-IIIb-IIIc

Frage 77

Frage
10.4 What component of an ILS provides an ILS provides an extended centerline to the runway?
Antworten
  • VNAV
  • glideslope
  • azimuth
  • LNAV
  • localizer

Frage 78

Frage
10.5 IS VNAV the ILS component that provides vertical guidance to a runway?
Antworten
  • True
  • False

Frage 79

Frage
10.6 How many channels are allocated to localizers?
Antworten
  • 40
  • 80
  • 120

Frage 80

Frage
10.7 in general aviation The localizer frequency is selected on the
Antworten
  • dedicated localizer receiver
  • dedicated ILS receiver
  • nav receiver
  • audio panel
  • glideslope receiver

Frage 81

Frage
10.8 The frequencies of the two audio tones that provide left-right guidance or localizer are
Antworten
  • 90
  • 150
  • 400
  • 1300
  • 3000

Frage 82

Frage
10.9 When a localizer frequency is selected on the VOR receiver, the indicator needle indicates
Antworten
  • the radial of the runway
  • the course selected on the OBS
  • fly left or right of the runway

Frage 83

Frage
10.9 When a localizer frequency is selected on the VOR receiver, the indicator needle deflected full right indicates 2.5 degrees off the center line... or more 
Antworten
  • True
  • False

Frage 84

Frage
10.11 The compass locator of an ILS is received on the
Antworten
  • Inner marker beacon
  • middle marker beacon
  • outer marker beacon

Frage 85

Frage
10.12 The localizar frecuency is tuned automatically when glideslope frequenci is selected on the receiver?
Antworten
  • True
  • False

Frage 86

Frage
11.1 select What were reasons for approving the Microwave Landing System?
Antworten
  • ILS has only 40 frequencies
  • An ILS serves one runway with a single course
  • the repeated "I hear music” he reported to the controller
  • Installing an ILS at an airport is not simple
  • the GPS technology was out of reach

Frage 87

Frage
11.2 MLS creates inbound courses to runways by a scanning beam which moves back and forth beyond either side of the runway, this is called the ___________________________signal.
Antworten
  • glideslope
  • marker
  • localizer
  • azimuth

Frage 88

Frage
11.4 An MLS scanning beam determine the centerline of a runway by a principle called distance Reference Scanning Beam
Antworten
  • True
  • False

Frage 89

Frage
11.4 An MLS scanning beam determine the centerline of a runway by a principle called time Reference Scanning Beam
Antworten
  • True
  • False

Frage 90

Frage
11.5 Why are there so few MLS installations at airports?
Antworten
  • it is to new
  • it is to expensive
  • Navstar systm was borned

Frage 91

Frage
11.6 What type of receiver can use ILS, MLS and GPS signals?
Antworten
  • none
  • Multireceiver

Frage 92

Frage
On what bands does ADF operate?
Antworten
  • LF
  • MF
  • HF
  • VHF
  • UHF

Frage 93

Frage
An ADF with a fixed compass card can only indicate _ bearing to an NDB (non-directional beacon) station.
Antworten
  • Magnetic north
  • Magnetic bearing
  • Relative bearing
  • Magnetic heading

Frage 94

Frage
When the edge of an ADF loop points toward the station, strongest signal is received. This is known as a?
Antworten
  • Peak
  • Null
  • Sense

Frage 95

Frage
When the flat side of the loop faces the station, the received signal is weakest. This is known as a?
Antworten
  • Peak
  • Null
  • Sense

Frage 96

Frage
Which is used by the ADF receiver for determining direction, the peak or null?
Antworten
  • Peak
  • Null

Frage 97

Frage
What is the purpose of a sense antenna?
Antworten
  • Determinar dirección
  • Corregir el cuadrante
  • Determinar sentido
  • Determinar BFO

Frage 98

Frage
Is "quadrantal error, a condition in which the loop antenna is not in a extremely straight line with the NDB?
Antworten
  • Falso
  • Verdadero

Frage 99

Frage
How is direction-finding selected'?
Antworten
  • Activating the ADF function
  • Deactivating the ADF function
  • Activating the BFO function
  • Activating the ET/FLT function

Frage 100

Frage
What is the function of the switch marked "BFO" or "Tone"'?
Antworten
  • It creates an audio from the NDB stations without audio identifier
  • It helps locate very weak NDB stations
  • Is makes possible the audio receptions if form of morse code by disabling the loop antenna

Frage 101

Frage
What type of interference may occur in a ADF receiver?
Antworten
  • Night effect
  • Coastal effect
  • Attitude error
  • Electrical interference
  • Natural sources interference
  • Quadrantal error

Frage 102

Frage
An airborne DME sends out a pulse known as an?
Antworten
  • Jitter
  • Interrogating pulses
  • Answer pulse
  • Slant range

Frage 103

Frage
DME is a component of a military system known as?
Antworten
  • VORTAC
  • TACAN
  • MILITARY DME

Frage 104

Frage
In addition to distance-to-station, an airborne DME computes and?
Antworten
  • GS
  • TTS

Frage 105

Frage
A distance error in DME is called Slant Range?
Antworten
  • True
  • False

Frage 106

Frage
All aircraft interrogating the same DME ground station are on the same frequency. How does an aircraft identify its replies from all others?
Antworten
  • Due to the GS reply jitter is identical of that of the interrogation
  • Due to that each aircraft sends and random spacing pair of pulse that is different from all others
  • Due to that the airplane first makes a link with the ground station

Frage 107

Frage
How is a DME station tuned in?
Antworten
  • With the knob in the DME panel, you select the DME frequency.
  • With the knob in the DME panel, you select the VORTAC frequency.
  • With the knob in the DME panel, you select the VOR frequency.
  • the radio automatically channels the correct DME frequency.

Frage 108

Frage
What happens when more than about 100 aircraft interrogate the same DME ground station?
Antworten
  • The station reduces its receiver sensitivity*
  • Each airplane looks for its unique jitter pattern and locks on to it.
  • The system overload

Frage 109

Frage
does the DME ground station delay its reply by 50 microsecond To take time to copy aircraft interrogating panel?
Antworten
  • True
  • False

Frage 110

Frage
Does the DME station transmit an ID?
Antworten
  • True
  • False

Frage 111

Frage
A TCAS aircraft transmits an interrogation ?
Antworten
  • Once per second
  • Twice per second
  • 4 times per second
  • 10 times per second

Frage 112

Frage
How does an intruder aircraft with an ATCRBS (early type) transponder reply to TCAS interrogations?
Antworten
  • With an address
  • With an Threat Advisory
  • Resolution Advisory

Frage 113

Frage
How does an intruder aircraft with a Mode S transponder reply to TCAS interrogations?
Antworten
  • With a 1090 MHz Datalink Resolution Advisory
  • With a 1090 MHz Datalink Threat Advisory
  • With a 1030 MHz Datalink Resolution Advisory
  • With a 1030 MHz Datalink Threat Advisory

Frage 114

Frage
How does TCAS determine the direction of a threat?
Antworten
  • With the TCAS directional antenna
  • With the transponder directional antenna

Frage 115

Frage
does TCAS determine the distance of a threat the same way the SSR?
Antworten
  • True
  • False

Frage 116

Frage
How does TCAS determine whether the other aircraft is a threat?
Antworten
  • If it is within 2.1 NM
  • If it is within 3.3 NM
  • If it is within 20 NM

Frage 117

Frage
Name the two kinds of warnings issued by TCAS
Antworten
  • CA
  • RA
  • TA
  • MA

Frage 118

Frage
What does an Resolution Authority (RA) do?
Antworten
  • Makes the other aircraft in collision course to appear on the screen
  • Tells the othe aircraft to fly up or down and left or right
  • Tells the othe aircraft to fly up or down

Frage 119

Frage
If two TCA aircraft are closing, what prevents them from climbing, and flying into each other?
Antworten
  • The pilot resolution
  • The TCAS resolution

Frage 120

Frage
Where is the technique of “whisper-shout” most useful?
Antworten
  • In cruise flight
  • In landings only
  • Near airports areas

Frage 121

Frage
does the directional antenna reduce the number of replies for each interrogation?
Antworten
  • True
  • False
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