Communication and Navegation Systems for Airplanes

1

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?

1

Name three instruments used by the Wright Brothers in their first flight that marked the beginning of what would become "avionics".

1

1.3 What generated power for Lindbergh's earth induct compass?

1

1.4 Which of the following systems airlines not consider part of "avionics"?

1

1.5 What technology was widely adopted in avionics to reduce size and weight, as well as provide greatly increased function.

1

1.6 What system, made possible by digital electronics, greatly reduces the problem of mid-air collisions?

1

1.7 What replaces early "steam gauges" in aircraft instrument panels?

1

1.8 How can the function of an electronic instrument be easily enhanced?

1

1.9 What does "CNS," which describes basic functions of avionics, stand for?

1

1.10 "FADEC" is.

1

1.11 Name the world body that deliberates future aviation technology?

1

2.1 Radio frequencies are measured in Hertz (Hz), after Heinrich Hertz, What was his contribution to communications?

1

What was the first system for marking cross-country airways?

1

What was the first instrument to enable pilots to maintain control of an airplane without seeing outside the cockpit?

1

What component led to the artificial horizon and autopilot?

1

? Name the developer of the autopilots early systems.

1

What type of transmitter sent the first radio message from an airplane to the ground?

1

Who was the pioneer who flew the flrst in strument flight, sometimes known as "blind flying," in 1929?

1

What system in Air Traffic Control replaced position reports by voice?

1

3.2 What is the frequency coverage of the VHF com band?

1

What is the narrowest spacing for channels in the VHF com band?

1

3.6 What is the purpose of a mic key line?

1

3.7 A typical com radio has two frequencys

1

3.8 What is the purpose of a squelch?

1

3.9 What function does the "com test" control provide?

1

3.10 Where is the LRU (line replaceable unit) for a com transceiver of a large aircraft located?

1

3.11 What is a radio management system?

1

3.12 What is the third VHF com radio of an airIiner often used for?

1

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

1

4.2 What is the advantage of "Autotune.“

1

it concentrates all of the transmitter power in only on of three components

1

4.4 What made HF datalink successful?

1

4.7 What is the purpose of an HF antenna coupler?

1

4.6 check the correct aseverations on HF datalink

1

5.1 Select those that are true about satellite communications?

1

5.2 What is the name of the next generation air traffic control system based on satellites?

1

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

1

The two major components of the satcom system are Ground Earth Station and Aircraft Earth Station

1

satcom antenna that supports the full range of satcom services

1

select satcom antennas that must be highly directional?

1

5.9 After satellite messages are received at a GES, how do they get to their final destination?

1

5.10 On what band does the aircraft send and receive satellite communications?

1

5.11 What is the purpose of a Beam Steering Unit?

1

5.12 What is the typical location on the airplane for an electromechanically steered antenna?

1

5.13 communications satellites appear to remain fixed in one position?

1

6.1 What is the meaning of the abbreviation "ACARS"?

1

6.2 What type of communications occur on ACARS?

1

6.3 networks operates ground and satellite services for ACAR are ARINC and SITA

1

6.4 What is the meaning of the ACARS message "0001 OFF"

1

6.5 an ACARS message received only by the aircraft it’s intended for?

1

7.1 What does the contraction "Selcal” mean?

1

7.2 Select the reasons why Selcal is used.

1

7.3 How many tones are in a Selcal code?

1

7.4 How many Selcal tone pairs are transmitted simultaneously?

1

7.5 Can two aircraft have the same Selcal code?

1

7.6 if a pilot receives a Selcal intended for a different airplane

1

8.1 how many are sent out by an ELT during a distress call?

1

8.2 an ELT must be mounted

1

8.3 Name the satellites that pick up and relay ELT signals?

1

8.4 a geostacionary satellite

1

8.5 a G-switch

1

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

1

9.1 Is there a combined VOR and Tacan navigational station?

1

9.2 What problem of early radionavigation did VOR overcome?

1

9.3 VOR waves travel

1

9.4 Name the two major components of a VOR signal

1

9.5 The reference phase broadcasts in what direction?

1

9.6 The variable phase rotates 60 times per second

1

9.6 The variable phase rotates 10 Times per second

1

9.7 What happens when the variable phase moves through magnetic north (O degrees)?

1

9.8 the VOR receiver know its bearing from the VOR station by counting time

1

9.9 Besides fixed and variable phase signals, are there other information broadcasted by a VOR station?

1

9.10 Why is it necessary to place the reference phase signal on an FM subcarrier?

1

9.11 What is the purpose of the course deviation indicator (CDI) on a VOR receiver?

1

• 10.2 How is RVR (Runway Visual Range) measured on an ILS runway?

1

• 10.3 Name the categories of ILS.

1

10.4 What component of an ILS provides an ILS provides an extended centerline to the runway?

1

10.5 IS VNAV the ILS component that provides vertical guidance to a runway?

1

10.6 How many channels are allocated to localizers?

1

10.7 in general aviation The localizer frequency is selected on the

1

10.8 The frequencies of the two audio tones that provide left-right guidance or localizer are

1

10.9 When a localizer frequency is selected on the VOR receiver, the indicator needle indicates

1

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

1

10.11 The compass locator of an ILS is received on the

1

10.12 The localizar frecuency is tuned automatically when glideslope frequenci is selected on the receiver?

1

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

1

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.

1

11.4 An MLS scanning beam determine the centerline of a runway by a principle called distance Reference Scanning Beam

1

11.4 An MLS scanning beam determine the centerline of a runway by a principle called time Reference Scanning Beam

1

11.5 Why are there so few MLS installations at airports?

1

11.6 What type of receiver can use ILS, MLS and GPS signals?

1

On what bands does ADF operate?

1

An ADF with a fixed compass card can only indicate _ bearing to an NDB (non-directional beacon) station.

1

When the edge of an ADF loop points toward the station, strongest signal is received. This is known as a?

1

When the flat side of the loop faces the station, the received signal is weakest. This is known as a?

1

Which is used by the ADF receiver for determining direction, the peak or null?

1

What is the purpose of a sense antenna?

1

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

1

How is direction-finding selected'?

1

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

1

What type of interference may occur in a ADF receiver?

1

An airborne DME sends out a pulse known as an?

1

DME is a component of a military system known as?

1

In addition to distance-to-station, an airborne DME computes and?

1

A distance error in DME is called Slant Range?

1

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

1

How is a DME station tuned in?

1

What happens when more than about 100 aircraft interrogate the same DME ground station?

1

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

1

Does the DME station transmit an ID?

1

A TCAS aircraft transmits an interrogation ?

1

How does an intruder aircraft with an ATCRBS (early type) transponder reply to TCAS interrogations?

1

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

1

How does TCAS determine the direction of a threat?

1

does TCAS determine the distance of a threat the same way the SSR?

1

How does TCAS determine whether the other aircraft is a threat?

1

Name the two kinds of warnings issued by TCAS

1

What does an Resolution Authority (RA) do?

1

If two TCA aircraft are closing, what prevents them from climbing, and flying into each other?

1

Where is the technique of “whisper-shout” most useful?

1

does the directional antenna reduce the number of replies for each interrogation?

Test sobre Communication and Navegation Systems for Airplanes, creado por SC IDEA el 10/03/2015.

Communication and Navegation Systems for Airplanes

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?

Name three instruments used by the Wright Brothers in their first flight that marked the begin­ning of what would become "avionics".

1.3 What generated power for Lindbergh's earth induct compass?

1.4 Which of the following sys­tems airlines not consider part of "avionics"?

1.5 What technology was widely adopted in avionics to reduce size and weight, as well as provide greatly increased function.

1.6 What system, made possible by digital elec­tronics, greatly reduces the problem of mid-air collisions?

1.7 What replaces early "steam gauges" in air­craft instrument panels?

1.8 How can the function of an electronic instru­ment be easily enhanced?

1.9 What does "CNS," which describes basic functions of avionics, stand for?

1.10 "FADEC" is.

1.11 Name the world body that deliberates fu­ture aviation technology?

2.1 Radio frequencies are measured in Hertz (Hz), after Heinrich Hertz, What was his contribution to communications?

What was the first system for marking cross-country airways?

What was the first instrument to enable pi­lots to maintain control of an airplane without see­ing outside the cockpit?

What component led to the artificial horizon and autopilot?

? Name the developer of the autopilots early systems.

What type of transmitter sent the first radio message from an airplane to the ground?

Who was the pioneer who flew the flrst in­ strument flight, sometimes known as "blind flying," in 1929?

What system in Air Traffic Control replaced position reports by voice?

3.2 What is the frequency coverage of the VHF com band?

Name three instruments used by the Wright Brothers in their first flight that marked the beginning of what would become "avionics".

1.4 Which of the following systems airlines not consider part of "avionics"?

1.6 What system, made possible by digital electronics, greatly reduces the problem of mid-air collisions?

1.7 What replaces early "steam gauges" in aircraft instrument panels?

1.8 How can the function of an electronic instrument be easily enhanced?

1.11 Name the world body that deliberates future aviation technology?

What was the first instrument to enable pilots to maintain control of an airplane without seeing outside the cockpit?

Who was the pioneer who flew the flrst in strument flight, sometimes known as "blind flying," in 1929?

3.9 What function does the "com test" control provide?

3.12 What is the third VHF com radio of an airIiner often used for?

4.7 What is the purpose of an HF antenna coupler?