SAAB 340B Flight Instruments and Navigation

Question 1

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

Answer 1

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

Question 2

Which are on the left?

Answer 2

Standby and Captain

Question 3

Which are on the right?

Answer 3

First Officer

Question 4

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

Answer 4

Captain - Air data computer (ADC)

Question 5

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

Answer 5

FO and standby systems utilize conventional pitot/static instruments

Question 6

S1 and S2 supply what?

Answer 6

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

Question 7

The ADC calculates what?

Answer 7

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

Question 8

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

Answer 8

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

Question 9

In case of static line leak?

Answer 9

Isolated from each other by closing the shutoff valves

Question 10

The Captains altimeter supplies information to?

Answer 10

The altitude preselector/alerter and the ATC transponders

Question 11

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

Answer 11

Left Avionics Start Bus

Question 12

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

Answer 12

A vibrator (supplied from the Right Essential Bus)

Question 13

Static air temperature is supplied to the ADC from?

Answer 13

The total air temperature probe located on the nose

Question 14

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

Answer 14

1,000 feet of the selected altitude

Question 15

The amber ALT ALERT light extinguishes?

Answer 15

Within 200 feet of the selected altitude

Question 16

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

Answer 16

200 feet of the selected altitude

Question 17

Where is static air temperature and true airspeed displayed?

Answer 17

On each EHSI

Question 18

Captain Airspeed warning flag appears?

Answer 18

Test Button pushed

Question 19

Captain Airspeed warning flag appears?

Answer 19

ADC Failure

Question 20

Captain Airspeed warning flag appears?

Answer 20

Indicator fails

Question 21

When does the warning flag on the altitude preselector appear?

Answer 21

Captain altimeter fails or power is lost

Question 22

Illuminate Red and green arcs on the VSI are?

Answer 22

TCAS resolutions advisory

Question 23

The main power supply to each AHRS is obtained?

Answer 23

Respective Avionic Bus and controlled by and the 26v

Question 24

The main power supply to each AHRS is obtained?

Answer 24

Inverter Bus supplies power for the nav ref signal

Question 25

What happens when the AVION switch is selected off?

Answer 25

Power is automatically transferred to the respective

Question 26

What happens when the AVION switch is selected off?

Answer 26

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

Question 27

Each AHRS receives the following data?

Answer 27

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

Question 28

Each AHRS receives the following data?

Answer 28

Airspeed from the standby IAS

Question 29

Each AHRS receives the following data?

Answer 29

True airspeed from the ADC

Question 30

Each AHRS receives the following data?

Answer 30

Vertical speed info from the ADC

Question 31

Each AHRS receives the following data?

Answer 31

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

Question 32

Each AHRS supplies attitude and heading data to?

Answer 32

The on-side display processor unit (DPU)

Question 33

Each AHRS supplies attitude and heading data to?

Answer 33

Cross-side RMI

Question 34

Each AHRS supplies attitude and heading data to?

Answer 34

Flight data recorder

Question 35

Each AHRS supplies attitude and heading data to?

Answer 35

Autopilot/flight director

Question 36

Each AHRS supplies attitude and heading data to?

Answer 36

Multiprocessor unit (MPU)

Question 37

Each AHRS supplies attitude and heading data to?

Answer 37

Captain AHRS provides antenna stabilization signals to the weather radar