SAAB 340B Flight Instruments and Navigation Flashcards

1
Q

The air data system provides pitot and static air pressure information from?

A

Three electrically heated pitot/static tubes located on the forward fuselage.

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2
Q

Which are on the left?

A

Standby and Captain

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3
Q

Which are on the right?

A

First Officer

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4
Q

The Captain incorporates what to drive the related flight instruments and to supply information to the EFIS and autopilot systems?

A

Captain - Air data computer (ADC)

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5
Q

The Captain incorporates what to drive the related flight instruments and to supply information to the EFIS and autopilot systems?

A

FO and standby systems utilize conventional pitot/static instruments

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6
Q

S1 and S2 supply what?

A

S1 system supplies the ADC, S2 system supplies the FO static instruments and pressurization controller

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7
Q

The ADC calculates what?

A

Altitude, vertical speed, indicated airspeed, true airspeed, VMO, and static air temperature (SAT)

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8
Q

A separate airspeed sensor in the standby pitot/static system also provides?

A

Airspeed signals to the rudder limiter system and both AHRS for comparison with ADC airspeed signals

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9
Q

In case of static line leak?

A

Isolated from each other by closing the shutoff valves

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10
Q

The Captains altimeter supplies information to?

A

The altitude preselector/alerter and the ATC transponders

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11
Q

Captains flight instruments are servo (electromechanical) indicators and receive power from?

A

Left Avionics Start Bus

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12
Q

First Officer altimeter is equipped with what to prevent instrument seizure due to rapid pressure or temp changes?

A

A vibrator (supplied from the Right Essential Bus)

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13
Q

Static air temperature is supplied to the ADC from?

A

The total air temperature probe located on the nose

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14
Q

The aural warning (C-Chord) and ALT on the APA is momentarily activated when?

A

1,000 feet of the selected altitude

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15
Q

The amber ALT ALERT light extinguishes?

A

Within 200 feet of the selected altitude

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16
Q

Subsequent deviations greater than how much from the selected altitude trigger visual and aural alerting again?

A

200 feet of the selected altitude

17
Q

Where is static air temperature and true airspeed displayed?

A

On each EHSI

18
Q

Captain Airspeed warning flag appears?

A

Test Button pushed

19
Q

Captain Airspeed warning flag appears?

A

ADC Failure

20
Q

Captain Airspeed warning flag appears?

A

Indicator fails

21
Q

When does the warning flag on the altitude preselector appear?

A

Captain altimeter fails or power is lost

22
Q

Illuminate Red and green arcs on the VSI are?

A

TCAS resolutions advisory

23
Q

The main power supply to each AHRS is obtained?

A

Respective Avionic Bus and controlled by and the 26v

24
Q

The main power supply to each AHRS is obtained?

A

Inverter Bus supplies power for the nav ref signal

25
Q

What happens when the AVION switch is selected off?

A

Power is automatically transferred to the respective

26
Q

What happens when the AVION switch is selected off?

A

Hot Battery Bus for up to 11 minutes to sustain AHRS initialization

27
Q

Each AHRS receives the following data?

A

Heading info from respective flux detector unit located in the corresponding wing tip

28
Q

Each AHRS receives the following data?

A

Airspeed from the standby IAS

29
Q

Each AHRS receives the following data?

A

True airspeed from the ADC

30
Q

Each AHRS receives the following data?

A

Vertical speed info from the ADC

31
Q

Each AHRS receives the following data?

A

Flight/ground info from the weight-on-wheels system

32
Q

Each AHRS supplies attitude and heading data to?

A

The on-side display processor unit (DPU)

33
Q

Each AHRS supplies attitude and heading data to?

A

Cross-side RMI

34
Q

Each AHRS supplies attitude and heading data to?

A

Flight data recorder

35
Q

Each AHRS supplies attitude and heading data to?

A

Autopilot/flight director

36
Q

Each AHRS supplies attitude and heading data to?

A

Multiprocessor unit (MPU)

37
Q

Each AHRS supplies attitude and heading data to?

A

Captain AHRS provides antenna stabilization signals to the weather radar