Question 1
Answer
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3-30 KHz
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30-300 KHz
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300MHz-3 GHz
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30-300 GHz
Question 2
Question
A disadvantage of the HF waves
Question 3
Answer
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Means selective calibration
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Increases CRM loads
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Comprises two consecutive tone pulses
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Causes interferences with the radio
Question 4
Question
HFDL disadvantage
Question 5
Question
VHF communications
Answer
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From 118.00-137 MHz
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Great radio interference
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Reaches far behind LOS
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Distress frequency 122.5
Question 6
Answer
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Long range A/C only have 1 piece of VHF equipment
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ACARS data link is also known as airline operational control
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Downlink (from aircraft) and Uplink (to aircraft) are plain HTML text
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Increase the VHF and HF voice comms.
Question 7
Question 8
Question
Types of transponders
Answer
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DME
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IFF
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TACAN
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All of the above
Question 9
Question
In transponder Mode A which is the Pulse Repetition Frequency:
Answer
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Pulse Repetition Frequency (PRF) = 1200 interrogation signals per second
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Pulse Repetition Frequency (PRF) = 1000 interrogation signals per second
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Pulse Repetition Frequency (PRF) = 1350 interrogation signals per second
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Pulse Repetition Frequency (PRF) = 1100 interrogation signals per second
Question 10
Question
Reception - SLS = Side-lobe suppression.
Answer
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An aircraft not within the main lobe of the directional beam would receive a P4>P1/P3 The transponder recognises this as a side-lobe signal.
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An aircraft not within the main lobe of the directional beam would receive a P2>P1/P3 The transponder recognises this as a side-lobe signal.
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An aircraft not within the main lobe of the directional beam would receive a P4>P1/P3 The transponder recognises this as a front-lobe signal.
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None of the above is correct.
Question 11
Question
¿Which is the difference between Mode A and Mode C transponder modes, talking about reception and interrogation?
Question 12
Question
What is the AA (Aircraft Adress):
Answer
-
24-bit code unique for each aircraft, established by the authorities when registering a flight plan
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24-bit code unique for each aircraft, given by the control when leaving the CTR.
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24-bit code unique for each aircraft, allocated to it by ICAO via the individual national registration authorities.
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24-bit code unique for each aircraft, which is regulated on ground by the maintenance team.
Question 13
Question
How many levels transponder MODE S has?
Answer
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Level 1, 2, 3 and 4
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Level 1 and 2
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It hasn`t any level
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It has only one level
Question 14
Question
The main features of the ADS are…?
Question 15
Question
Which is an advantage of the ADS?
Question 16
Question
The most used DATA LINK software are LINK 11 & 16
Question 17
Question
About Flight Director System (FDS), what question is correct?
Answer
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A. This system computes the pitch and roll commands
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B. FDS do A to achieve or maintain a particular condition of flight.
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C. The commands are then applied automatically by the aircraft.
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D. A and B are true
Question 18
Question
Choose the correct answer
Answer
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FDS reduces crew workload
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FDS has different inputs to control the aircraft
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One input is the vertical Gyro/INS/IRS to obtain pitch and roll attitude
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All of the above are correct
Question 19
Question
Choose the best option related with FDS modes.
Answer
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FDS have the next options: OFF, lateral modes, vertical modes, and special modes
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FDS have the next options: STBY, horizontal modes, vertical modes, and space modes
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FDS have the next options: STBY, lateral modes, vertical modes, and diagonal modes
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All of the above are correct
Question 20
Question
Which are part of the special modes?
Question 21
Question
What of the following sentences are correct?
Answer
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A. An Automatic Flight Control System (AFCS) is a system that provides a mean to stabilize, maneouver and control automatically an aircraft flight path.
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B. AFCS functions are: Stability and control augmentation, attitude hold, and flight control.
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C. A and B are true
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D. A and B are false.
Question 22
Question
What does AFCS mean?
Answer
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Automatic Flight Control System
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Automatic Fuel Control System
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Autonomous Flight Control Surveillance
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Autonomous Fire Control Surveillance
Question 23
Question
Related with AFCS closed loop control:
Answer
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A. It can be named Inner Loop control too.
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B. From an error signal, a signal is generated to act in the way of correcting the error.
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C. A and B are true
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D. A and B are false.
Question 24
Question
Related with AFCS open loop control:
Answer
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A. From an input the attitude of the trimmed aircraft is modified in order to perfom a maneouver.
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B. From an error signal, a signal is generated to act in the way of correcting the error.
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C. A and B are true
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D. A and B are false.
Question 25
Question
Q1. Which it is not an advantage of HF(high frequency)
Answer
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Communications beyond line of sight
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Long Range communications between air and ground
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Provide communication through long range (oceanic crossing)
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It is not affected by interferences
Question 26
Question
Q2. What is SATCOMs?
Answer
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Structural airspace transoceanic compliments
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SATELLITE COMMUNICATIONS that use International Maritime Satellite Organization (INMARSAT) satellite constellation.
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SATELLITE COMUNICATIONS that helps the GPS constellation if calibration is needed.
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All are false
Question 27
Question
Q3. The different modes of transponder are:
Answer
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Mode A, SSR systems confirms the aircraft’s azimuth on the controller’s screen with an icon confirming that the aircraft is equipped with a transponder.
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Mode C, Pressure altitude is given (with azimuth it provides 3D info).
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Mode S (select), Includes data linking capability to provide a cooperative surveillance and communication system.
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All are true
Question 28
Question
Q4. What is a BUS in aeronautics?
Answer
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A transport method for reaching planes
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Subsystem that permits interconnection and data exchange between the devices in a complex system (central nervous system of the aircraft)
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A code that encrypt every data that the plane has to process
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The operative system of a plane computer
Question 29
Question
Q5.Which of the following transponders can we find in military aircrafts?
Answer
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Distance Measurement Equipment (DME)
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Tactical Air Navigation (TACAN)
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Identification Friend or Foe (IFF)
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All are true
Question 30
Question
Q6. How many phases have the mode S implementation?
Answer
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3 (ELS, EHS and Additional DAP)
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2 (ELS and EHS)
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1 (ELS)
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4 (ELS, EHS, DAP and ELM)
Question 31
Question
Q7. What is the meaning of AA in mode S?
Answer
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Aircraft Address
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Air colision
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Avoidance altitude
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Anticollision attitude
Question 32
Question
Q8. Which is the basis of the ATC system?
Answer
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Primary radar
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Secondary radar
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Both of them
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None of the above