Avionics #2

Question 1

What does the TCS (Touch control Steering) do?

Answer 1

When pressed and held, in momentarily interrupts the autopilot

Question 2

Which DU can be failed for dispatch?

Answer 2

DU#3?

Question 3

When does the SFD automatically display?

Answer 3

Loss of:
PFD
Unusual Attitudes
Break Power Transfer
Instrument Comparison Issue
SFD failure of either.

Question 4

What does RAAS stand for?

Answer 4

Runway Awareness and Advisory System; runway advisories can be inhibited by depressing the RAAS INHIBIT switch.

Question 5

What are the four major functions of the MCDU?

Answer 5

Navigation, performance, radio and SSPC interface.

Question 6

An ATC cleared altitude should always be set in the GP preselect by whom?

Answer 6

Pilot monitoring

Question 7

What’s the source of information to the DUs?

Answer 7

Three MAU’s, three MCDU’s and other sensors

Question 8

What functions can be controlled and monitored from UTIL on the SMC?

Answer 8

1. Tire Pressure monitor
2. semi-mode CPCS controller
3. Refueling and fuel quantity
4. Engine oil
5. Hyd Fluid Quantity

Question 9

The Line select adjacent to CAS/MACH display on PFD ADI menu toggles the airspeed tape btwn calibrated A/S and Mach only when the aircraft is above what altitude?

Answer 9

25,000 feet.

When pressed it does not ‘box’, it only changes the PFD display.

Question 10

What does the Flight Path Vector (FPV) on the HUD represent?

Answer 10

Where the mass of the airplane is going.

Question 11

How are configuration mismatches indicated on MCDU?

Answer 11

In INVERSE VIDEO

Question 12

How can default value be restored on the MCDU during performance initialization?

Answer 12

Generally by using DELETE function on the appropriate LSK.

Question 13

On the airport charts, how do you know if it’s GEO referenced? (aircraft position can be displayed on it)

Answer 13

A white or green airplane icon appears in the right corner of the chart’s title.

Question 14

During power up, on the SMC SENSOR page, which number Flight Guidance Computer (FGC) and Auto throttle (AT) would you expect to see?

Answer 14

Either 1 or 2. They alternate every flight.

Question 15

What does and amber MAG2 indicate on both PFDs?

Answer 15

Both pilots are using the same source for heading information. In this case, IRS#2.

Question 16

What does and amber RA2 indicate on both PFDs?

Answer 16

Both pilots flight instruments are receiving radio altimeter data from the same source for data.

Question 17

What does it mean when ALT is boxed in cyan on ENG ALT CTRL page of SMC?

Answer 17

Engine is operating in alternate control mode (ie: FADEC controlling the speed of LP fan).

Question 18

What primary variable does FMS use to compute VREF?

Answer 18

Solely on the flap HANDLE position.

It takes current aircraft weight and altitude in to account as well.

Question 19

What is the restriction on selection of full windows on DU2 and DU3?

Answer 19

Full window cannot be selected simultaneously.

Question 20

When does the PLI come in to view? Stick Shaker?

Answer 20

0.75 and 0.94

in Normal flight law

Question 21

Airspeed / Altitude trend vector shows where airspeed/alt will be in ____sec at the current change rate.

Answer 21

6 seconds

Question 22

You look through HUD and see “ALIGN HUD”. What does that mean?

Answer 22

HUD is not positioned correctly. Move it in to detente. Do not use HUD with “ALIGN HUD” displayed.

Question 23

When is NUC done?

Answer 23

The Non-Uniformity Correction happens during camera power up, flaps selection from 0 - 10, manual NUC selected on the SMC.

Question 24

Why does the horizon line flash on HUD during nose high attitudes?

Answer 24

Indicates it’s no longer conformal…no longer representing a visible horizon line.

Question 25

Describe EVS Window heat operations

Answer 25

a. Turns on for 2 minutes, then off.
b. If Cowl Heat selected on, operation is automatic, turns on for 1 minute, off for 7, in a cycle.
c. If gear down, stays on continuously.
.

Question 26

Flight director or autopilot with vertical guidance, either ILS or FMS vertical path, is required for all IMC EVS approaches. How do you determine if an obstacle-free path is present?

Answer 26

If runway is served by an approach with a DA (Decision Altitude).

Question 27

At what altitude does airport symbol normally appear on the HUD?

Answer 27

2000’ above airport

Question 28

When does runway symbol replace the airport symbol?

Answer 28

At 350 ft RA, ruway symbol joins the airport symbol and at 325 ft RA, the airport symbol disappears. Runway symbol is removed at 60 ft RA.

Question 29

When does Flare cue appear on HUD?

Answer 29

at 100 ft, and slowly moves up to provide flare guidance.

Question 30

What is provided on HUD unusual attitude display?

Answer 30

G-load digital readout.

Question 31

On the VSD, Actual Flight Path Angle is shown as a ____________ and is derived from the IRS.

Answer 31

dashed magenta line

Question 32

On the VSD, what is a Speed Prediction Circle, when is it displayed, what does it look like?

Answer 32

> A Speed Prediction Circle displays when the FMS predicts the aircraft will achieve a constraint speed set in the flight plan.
It displays when the active waypoint has a speed constraint associated with it.
The Speed Prediction Circle is green and appears along the actual flight path line.

Question 33

What is the “Terrain Under Flight Plan” mode on VSD?

Answer 33

This mode is displayed anytime the aircraft’s engaged lateral
mode is FMS. Since the vast majority of a normal flight is flown with FMS as the engaged lateral mode, the mode is not annunciated. In this mode, the system looks along the flight plan route and creates a pathway 1 times the current RNP increment to the left and right of the route’s centerline.

With HDG as lateral mode, the terrain displayed is only that directly off the nose of the aircraft. “TRACK” is displayed on the bottom of the VSD when HDG mode is active.

Question 34

When can a crew select GS INHIBIT? When will it automatically deselect?

Answer 34

Any time the a/c is below 2000’ AGL.

It will automatically deselect at 30’.

It can be manually deselected at any time.

Question 35

Why would a crew select GS INHIBIT during normal ops?

Answer 35

The ILS GS on the approach being flown is NOTAM’d out.

Question 36

When will the aircraft enter the Emergency Descent Mode (EDM)?

Answer 36

EDM is activated automatically under the following conditions:
● The Autopilot is engaged
● Aircraft at FL 400 or higher
● CABIN PRESS LOW message activates on the CAS

Question 37

When EDM is activated, what happens?

Answer 37

When EDM is activated, the following actions occur automatically:
● Autothrottles engage (if autothrottles were OFF at the time)
● GP Speed Window indicates 340 knots
● GP Speed Button’s MAN legend is displayed
● GP Heading Window display a heading 90° left of current heading
● GP Altitude Window displays 15,000 feet
● GP Heading Button’s ON legend is displayed
● GP FLCH Button’s ON legend is displayed
● Thrust Levers reduce to IDLE
● Aircraft turns 90° left and descends to 15,000 feet while holding an airspeed of VMO/MMO
● Approaching 15,000 feet, vertical mode changes to ASEL and levels off at 15,000 feet
● GP speed window changes to 250 knots and Autothrottles advance to maintain speed of 250 knots

Question 38

When Takeoff Mode is engaged on the Vertical performance Mode of the PFD with both engines running, what happens?

Answer 38

● Flight Director Cue moves to a preset pitch of 9°
● As the airspeed speed approaches V2, the Flight Director Cue commands a pitch to speed hold of V2 to V2+10, up to a maximum of 17° of pitch.
● V2 to V2+10 is maintained until 1,500 feet AGL
● Above 1,500 feet AGL, if the flaps are retracted or FLCH is selected on the GP, speed window automatically changes to VSE and Flight Director Cue commands a lower pitch attitude to accelerate to VSE

Question 39

When Takeoff Mode is engaged on the Vertical performance Mode of the PFD with only one engine running, what happens?

Answer 39

● As speed reaches V2, Flight Director Cue commands a speed hold of V2 to V2+10
● V2 to V2+10 is maintained until 1,500 feet AGL
● Above 1,500 feet AGL, GP speed window automatically changes to VSE and Flight Director Cue commands a lower pitch attitude to accelerate to VSE
● Upon reaching VSE, Flight Director Cue commands speed hold of VSE