AFCS

Question 1

When will the FGCS auto select half-bank and what is the angle?

Answer 1

FL250 and 17º bank angle

Question 2

What does the TOGA button do for the FGCS?

Answer 2

On ground: Activates Takeoff Guidance Crossbars
In-flight: Activates GA Guidance within 2 miles of FAF and sequences the Missed Approach into the Active Flight Plan

Question 3

What do the takeoff guidance crossbars do?

Answer 3

1. Maintain extended runway centerline
2. Maintain pitch guidance according to slap/flap setting and V2

Question 4

When is the TOGA mode deactivated?

Answer 4

1. Another vertical mode is pressed
2. AP is activated
3. TCS button is pressed

Question 5

When will the FD automatically display?

Answer 5

1. TOGA button is pressed
2. AP is activated
3. WDSH detection

Question 6

What is the function of the TCS button?

Answer 6

1. Overrides the AP
2. When released, airplane maintains new altitude (if ALT was active vertical mode) but will return to previous lateral mode

Question 7

What will disengage the autopilot?

Answer 7

Normal:
1. Either AP/TRIM DISC button is pushed

Non-Normal (4)
1. AP button on GP is pushed
2. Manual pitch trim is activated
3. Stick Shaker
4. WDSH Escape Guidance Activated

Abnormal (4)
1. FCs in Direct Mode
2. Aileron or Elevator Controls Disconnected
3. Overpowering the AP
4. Internal System Failures

Question 8

Can the yaw damp be deactivated if the AP is on?

Answer 8

Yes, it is independent of the AP

Question 9

When will the ATs engage on the ground or in flight?

Answer 9

On ground: AT TO (GP) is armed & TLA > 50º
In-flight: AT (GP) is armed & airplane > 400’ AGL

Question 10

Will the ATs compensate for gusty winds?

Answer 10

Yes, up to 5 kts

Question 11

What will disengage the ATs automatically and manually?

Answer 11

Normal Automatic:
1. After touchdown
2. Thrust lever beyond TOGA
3. Thrust Rev Usage during RTO

Non-Normal Automatic:
1. TLA difference > 8º
2. Internal system failures

Manual:
1. AT button on GP
2. AT disc button on TLs

Question 12

What does LIM & OVRD mean on the FMA?

Answer 12

LIM = Selected Vertical Mode requires more or less engine thrust than is available
OVRD = The TLs are being manually moved (no AP disengagement)

Question 13

When is CRZ automatically selected?

Answer 13

1. When within 100 feet of selected altitude for 90 seconds
2. Desired airspeed must be achieved or it will remain in CLB Mode until cruise airspeed is achieved

Question 14

What does the PREV button do?

Answer 14

Allows the capture of ILS/BC while still using FMS as the basic NAV Source provided the AUTO TUNE function is enabled on the MCDU and the approach is loaded in the FMS

Question 15

What does the red AP/TRIP DISC button do to the AFCS?

Answer 15

1. Disconnects the AP
2. If pressed and held, stops all trim actuation

Question 16

Where are FMS 1 and 2 located?

Answer 16

MAU 2 (FMS 1) and MAU 3 (FMS 2)

Question 17

What does SECT (sector scan) do to the WX Radar?

Answer 17

Goes from the normal sweep of 60º and 12 sweeps/min to 30º and 24 sweeps/min

Question 18

Can the FD be turned off if your side is the active FMS?

Answer 18

No, only the non-coupled side can turn FD off

Question 19

How many APs are on the EJET?

Answer 19

1 AP with dual channel config

Question 20

How can you momentarily disengage the AP to maneuver the aircraft around as you wish?

Answer 20

TCS button (Touch Control Steering)

Question 21

When does the Yaw Damper power up and shutdown (normal ops)?

Answer 21

When either Hyd 1 OR 3 is powered up and for shutdown is when both Hyd Sys 1 AND 3 are OFF

Question 22

What color does the APPR 1 or APPR 2 turn if FMA 1 and FMA 2 have a disagreeement?

Answer 22

Yellow. Both Baro-Baro or RA-RA must be set to same value

Question 23

What can activate ROLL Mode?

Answer 23

1. No lateral mode active and vertical mode is selected
2. Pressing TOGA on the ground and IAS < 100 kts
3. Deselecting active Lateral Mode
4. COURSE TO INTERCEPT on the FMS is activated

Question 24

When does ROLL Mode deactivate?

Answer 24

Anytime a new Lateral Mode is selected

Question 25

What does the FD limit bank angle to while intercepting the LOC?

Answer 25

35º

Question 26

When is TRACK Mode activated?

Answer 26

Takeoff:
1. When IAS is > 100 kts and
2. Bank angle is ≤ 3º for > 10 secs
GA:
1. TOGA is pressed and TRACK Mode activates immediately

Question 27

What is the basic vertical mode?

Answer 27

FPA

Question 28

Can the Flight Path Reference (FPR) be displayed in other vertical modes besides FPA?

Answer 28

Yes, as long as FPR is active

Question 29

When does FPA activate?

Answer 29

1. AP is engaged and no FD mode is active
2. Hitting FPA on GP
3. Lateral Mode is active and no Vertical Mode active
4. Deselect the current Vertical Mode

Question 30

While in TO Mode, how many seconds must you wait before FPA will activate or another Vertical Mode is entered?

Answer 30

30 secs or upon engaging the AP at 1000 feet

Question 31

What is the pitch range that the FD allows while in TO Mode?

Answer 31

Minimum is 8º to Max of 18º

Question 32

What 2 performance metrics are used to calculate T/O FD Pitch Angle?

Answer 32

1. Flap position
2. V2 Speed

Question 33

When does the Speed transition from IAS to Mach?

Answer 33

Approximately FL290

Question 34

What does the ALT button do on the GP?

Answer 34

It immediately commands the FD to tell the AP to level off and hold at the ALT that was on the altimeter the moment the ALT button was pressed

Question 35

What is the range for possible selection of vertical speeds?

Answer 35

-8000 fpm to 6000 fpm

Question 36

How is the GA mode deactivated?

Answer 36

Another vertical mode is selected

Question 37

How do we automatically transition from FMS Navigation into an ILS approach?

Answer 37

1. Automatically through the use of the Preview Mode
2. Manually by hitting the V/L button on Display Controller Panel

Question 38

When FMS is selected as the primary navigation source the system automatically selects the ILS frequency and Localizer course when?

Answer 38

1. Within 30 NM of Dest.
2. PREV function is used
3. AUTO tuning is enabled on MCDU radio page
4. ILS or BC is part of active flight plan in FMS

Question 39

The Thrust Management System (TMS) consists of 3 components, what are they?

Answer 39

1. AT
2. TLA
3. TRS

Question 40

What are the 4 situations in which ATTCS will command RSV thrust?

Answer 40

Automatically:
1. 15% difference of N1 values
2. OEI T/O
3. OEI GA
4. Windshear

Manually:
1. Thrust levers to max detent

Question 41

When does ATTCS go from ARMED (white) to Active (green)?

Answer 41

Thrust Levers set to TOGA

Question 42

What is TLA trim used for?

Answer 42

Synchronizes Engine N1 when ATs are off

Question 43

What is the difference between fault and fail EICAS messages?

Answer 43

one channel fail = fault
both channels fail = fail

Question 44

What are all the functions of green dot? (search Green Dot in CFM)

Answer 44

1. DD Speeds (lowest DD angle)
2. Best Endurance
3. Vx
4. Green dot + 50 = Vy
5. Stall Protection Ice Speeds Valid up to 20,000’ (not valid above FL20 because GD is wonky above M.50 and brings you danger close to MMO/VMO)
6. MCA for stall recovery
7. Green Dot + 10, F-Bug for flap extension and retraction
8. Green Dot can be used for immediate return to airport when time does not permit to calculate landing performance