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Communication and Navegation Systems for Airplanes

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Test sobre Communication and Navegation Systems for Airplanes, creado por SC IDEA el 10/03/2015.
SC IDEA
Test por SC IDEA, actualizado hace más de 1 año
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Resumen del Recurso

Pregunta 1

Pregunta
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?
Image:
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Respuesta

Pregunta 2

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

Pregunta 3

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

Pregunta 4

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

Pregunta 5

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

Pregunta 6

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

Pregunta 7

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

Pregunta 8

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

Pregunta 9

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

Pregunta 10

Pregunta
1.10 "FADEC" is.
Respuesta
  • 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

Pregunta 11

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

Pregunta 12

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

Pregunta 13

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

Pregunta 14

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

Pregunta 15

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

Pregunta 16

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

Pregunta 17

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

Pregunta 18

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

Pregunta 19

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

Pregunta 20

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

Pregunta 21

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

Pregunta 22

Pregunta
3.6 What is the purpose of a mic key line?
Respuesta
  • 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

Pregunta 23

Pregunta
3.7 A typical com radio has two frequencys
Respuesta
  • True
  • False

Pregunta 24

Pregunta
3.8 What is the purpose of a squelch?
Respuesta
  • 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

Pregunta 25

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

Pregunta 26

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

Pregunta 27

Pregunta
3.11 What is a radio management system?
Respuesta
  • 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

Pregunta 28

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

Pregunta 29

Pregunta
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
Respuesta
  • True
  • False

Pregunta 30

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

Pregunta 31

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

Pregunta 32

Pregunta
4.4 What made HF datalink successful?
Respuesta
  • 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

Pregunta 33

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

Pregunta 34

Pregunta
4.6 check the correct aseverations on HF datalink
Respuesta
  • 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

Pregunta 35

Pregunta
5.1 Select those that are true about satellite communications?
Respuesta
  • 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

Pregunta 36

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

Pregunta 37

Pregunta
5.3 How many Inmarsat satellites provide global coverage, and where are they located?
Respuesta
  • 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

Pregunta 38

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

Pregunta 39

Pregunta
satcom antenna that supports the full range of satcom services
Respuesta
  • low gain
  • intermedium gain
  • high gain

Pregunta 40

Pregunta
select satcom antennas that must be highly directional?
Respuesta
  • low gain
  • high gain
  • conformal
  • intermedium gain

Pregunta 41

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

Pregunta 42

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

Pregunta 43

Pregunta
5.11 What is the purpose of a Beam Steering Unit?
Respuesta
  • 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

Pregunta 44

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

Pregunta 45

Pregunta
5.13 communications satellites appear to remain fixed in one position?
Respuesta
  • True
  • False

Pregunta 46

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

Pregunta 47

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

Pregunta 48

Pregunta
6.3 networks operates ground and satellite services for ACAR are ARINC and SITA
Respuesta
  • True
  • False

Pregunta 49

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

Pregunta 50

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

Pregunta 51

Pregunta
7.1 What does the contraction "Selcal” mean?
Respuesta
  • Sectional calling
  • Local calling
  • selective calling

Pregunta 52

Pregunta
7.2 Select the reasons why Selcal is used.
Respuesta
  • 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

Pregunta 53

Pregunta
7.3 How many tones are in a Selcal code?
Respuesta
  • 1
  • 2
  • 3
  • 4

Pregunta 54

Pregunta
7.4 How many Selcal tone pairs are transmitted simultaneously? 
Respuesta
  • 1
  • 2
  • 4

Pregunta 55

Pregunta
7.5 Can two aircraft have the same Selcal code?
Respuesta
  • True
  • False

Pregunta 56

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

Pregunta 57

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

Pregunta 58

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

Pregunta 59

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

Pregunta 60

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

Pregunta 61

Pregunta
8.5 a G-switch
Respuesta
  • is the Test switch on cockpit
  • is the Geostacionary switch
  • is the impact switch

Pregunta 62

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

Pregunta 63

Pregunta
9.1 Is there a combined VOR and Tacan navigational station?
Respuesta
  • True
  • False

Pregunta 64

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

Pregunta 65

Pregunta
9.3 VOR waves travel
Respuesta
  • curved
  • straight

Pregunta 66

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

Pregunta 67

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

Pregunta 68

Pregunta
9.6 The variable phase rotates 60 times per second
Respuesta
  • True
  • False

Pregunta 69

Pregunta
9.6 The variable phase rotates 10 Times per second
Respuesta
  • True
  • False

Pregunta 70

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

Pregunta 71

Pregunta
9.8 the VOR receiver know its bearing from the VOR station by counting time
Respuesta
  • True
  • False

Pregunta 72

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

Pregunta 73

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

Pregunta 74

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

Pregunta 75

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

Pregunta 76

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

Pregunta 77

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

Pregunta 78

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

Pregunta 79

Pregunta
10.6 How many channels are allocated to localizers?
Respuesta
  • 40
  • 80
  • 120

Pregunta 80

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

Pregunta 81

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

Pregunta 82

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

Pregunta 83

Pregunta
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 
Respuesta
  • True
  • False

Pregunta 84

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

Pregunta 85

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

Pregunta 86

Pregunta
11.1 select What were reasons for approving the Microwave Landing System?
Respuesta
  • 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

Pregunta 87

Pregunta
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.
Respuesta
  • glideslope
  • marker
  • localizer
  • azimuth

Pregunta 88

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

Pregunta 89

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

Pregunta 90

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

Pregunta 91

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

Pregunta 92

Pregunta
On what bands does ADF operate?
Respuesta
  • LF
  • MF
  • HF
  • VHF
  • UHF

Pregunta 93

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

Pregunta 94

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

Pregunta 95

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

Pregunta 96

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

Pregunta 97

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

Pregunta 98

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

Pregunta 99

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

Pregunta 100

Pregunta
What is the function of the switch marked "BFO" or "Tone"'?
Respuesta
  • 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

Pregunta 101

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

Pregunta 102

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

Pregunta 103

Pregunta
DME is a component of a military system known as?
Respuesta
  • VORTAC
  • TACAN
  • MILITARY DME

Pregunta 104

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

Pregunta 105

Pregunta
A distance error in DME is called Slant Range?
Respuesta
  • True
  • False

Pregunta 106

Pregunta
All aircraft interrogating the same DME ground station are on the same frequency. How does an aircraft identify its replies from all others?
Respuesta
  • 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

Pregunta 107

Pregunta
How is a DME station tuned in?
Respuesta
  • 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.

Pregunta 108

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

Pregunta 109

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

Pregunta 110

Pregunta
Does the DME station transmit an ID?
Respuesta
  • True
  • False

Pregunta 111

Pregunta
A TCAS aircraft transmits an interrogation ?
Respuesta
  • Once per second
  • Twice per second
  • 4 times per second
  • 10 times per second

Pregunta 112

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

Pregunta 113

Pregunta
How does an intruder aircraft with a Mode S transponder reply to TCAS interrogations?
Respuesta
  • 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

Pregunta 114

Pregunta
How does TCAS determine the direction of a threat?
Respuesta
  • With the TCAS directional antenna
  • With the transponder directional antenna

Pregunta 115

Pregunta
does TCAS determine the distance of a threat the same way the SSR?
Respuesta
  • True
  • False

Pregunta 116

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

Pregunta 117

Pregunta
Name the two kinds of warnings issued by TCAS
Respuesta
  • CA
  • RA
  • TA
  • MA

Pregunta 118

Pregunta
What does an Resolution Authority (RA) do?
Respuesta
  • 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

Pregunta 119

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

Pregunta 120

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

Pregunta 121

Pregunta
does the directional antenna reduce the number of replies for each interrogation?
Respuesta
  • True
  • False
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Examen de Conocimientos Aeronauticos
jose@ntonio
Geografía
Daniela Rivera Giraldo
Cuestionario Motores Reciprocos
Juan Jaramillo
REGLAMENTACION AEREA
Axel Rizo
LOS MODOS DEGRADADOS
RAFAEL CORDOVA GONZALEZ
HISTORIA DE AVIANCA: Nació enBarranquilla, ciudad localizada al norte deColombia, el 5 de Diciembre de 1919 comoSCADTA (Sociedad Colombo-Alemana deTransporte Aéreo), gracias a la visión y espíritude empresa de un grupo de hombres denegocios
valeria hernandez
Explorar la Librería