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Avionics > Avionics > Flashcards

Avionics Flashcards

1
Q

Which component contains the auto pilot logic

A

MCPA

Modular central processor assembly

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2
Q

How many AVC’s are contained in the MCPA

A

2

AVC1 &2

Found in the system dialogue from the MCPA mode drop-down menu

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3
Q

Which components are the primary sensors

A

INS/GPS & ADU

Internal navigation system

Air data unit

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4
Q

How many ADU sensors are contained in the MCPA

A

3
The ADU contains the static pressure sensor dynamic pressure sensor and temperature sensor in a triple redundancy configuration!

Air data units communicate air pressure temperature and airspeed information for navigation calculations!

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5
Q

How long does it take for the INS to align an enter NAV mode

A

6 Min.

Aircraft configuration for ATLS, the INS will enter NAV mode automatically. Wait six minutes before moving the aircraft following powerup of the aircraft, for the INS initialization

Pg. 254

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6
Q

Name three things that indicate an INS is initializing

A

Navigation lights turn on and off every 10 seconds, various INS related warnings, and FOM 5000 m

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7
Q

What are the indications the INS is in NAV mode

A

INS reports navigation mode and FOM accuracy is less than 100 m

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8
Q

What does the MCPA automatically do to “vote in” Sensors upon completion of INS alignment

A

Sensor reset

Pg. 254

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9
Q

What does a sensor reset do

A

Reset MCPA voting logic

Pg 254

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10
Q

How many GPS satellites are required to calculate position

A

3

Pg 255

NOTE
Four satellites are required in to receive GPS altitude, however only three required to provide a position fixed

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11
Q

Which components back up INS/GPS

A

DMU, FVU, and DGPS

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12
Q

What are the three axes of flight

A

Lateral, longitudinal, vertical

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13
Q

Which axis of flight is controlled by ailerons

A

longitudinal

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14
Q

Which axis of flight is controlled by elevators

A

Lateral

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15
Q

Which acts as a flight control by Rudders

A

Vertical

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16
Q

What system automatically moves our rudders with the ailerons in order to make coordinated turns

A

Aileron rudder interconnect

ARI

17
Q

Which flight control services increase an aircraft rate of descent without increasing airspeed

A

Flaps

18
Q

Which flap setting places the flaps at 30° angle

A

Emergency

19
Q

When and EO is in control of the aircraft which auto pilot level is engaged

A

Position sticks

20
Q

When in AO is in control of the aircraft Which auto pilot level is engaged

A

Knobs

21
Q

When is the rate stick auto pilot level Used

A

Never

22
Q

Which primary sensor does the MCPA use to limit aileron movement when positions sick auto pilot level is engaged

A

INS

23
Q

Which control loop malfunction is based on a 12 second command and report

A

Altitude

24
Q

When will the airspeed control loop malfunction appear

A

Airspeed command and report differ by at least five knots for more than 17 seconds

25
Q

What control loop malfunction is a rate of climb of less than 100 ft./min. for more than 12 seconds

A

Altitude control loop malfunction

26
Q

What must a shelter be in control of it order for a Heading control loop malfunction to appear

A

Heading

27
Q

When will the heading control Loop malfunction appear

A

Heading command and report differ by at least 4° for more than 52 seconds

28
Q

When are an aircraft calculator wins accurate

A

Automatic flight mode, straight and level flight, for two minutes

29
Q

What navigation mode is reported immediately following a loss of all GPS

A

INS Primary

30
Q

What navigation mode is reported if an INS fails

A

GPS

31
Q

While flying in the local pattern with ground antennas in OMNI, your aircraft loses signal from all GPS satellites. What does the FOM Accuracy half to degrade to in order for your aircraft to stop using it’s INS for navigation

A

200 meters

Avionics (1 decks)

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