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Embraer 190 Technical > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

Which Flight Controls are NOT Fly by Wire?

A

Ailerons

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2
Q

How many Channels does a P-ACE have?

A

2 - Active/Standby

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3
Q

What is the maximum time manual pitch trim inputs are allowed?

A

3 Seconds

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4
Q

What are the Fly by Wire Components?

A

3 x P-ACEs (Primary)
2 x SF-ACEs (Slat/Flap)
1 x HS-ACE (Horizontal Stabiliser)
3 x S-ACE (Spoiler)
4 x FCMs (Flight Control Modules)

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5
Q

How many Channels does a SF-ACE have?

A

2 - Slats/Flaps

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6
Q

How many Channels does a SF-ACE have?

A

2 - Active/Standby, switching daily

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7
Q

What is the difference between NORMAL & Direct Mode?

A

FCM is removed from the the control loop and the control limits default to values set by hardware in the P-ACE when a channel failure is detected. High Level functions may not be available

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8
Q

How long do the Electric and Hydraulic PBITs take?

A

Electric - 3 minutes
Hydraulic - 1 minute

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9
Q

What is the Flight Control ODD-EVEN Day Engage Configuration?

A

Switches between the ODD & EVEN Channel, to reduce latency in the Flight Control System and to allow for even wear of the Flight Control System

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10
Q

How long does the Fly-by-wire Battery Last and what does it provide?

A

15 minutes - rudder and elevator actuators

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11
Q

How are the elevator surfaces actuated?

A

Hydraulically via the PCUs (Power Control Units)

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12
Q

What happens in the event of an Elevator Jam?

A

Respective elevator surface will remain fixed at the jammed position. Control can be achieved using the remaining elevator

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13
Q

Which Hydraulic Systems power the Elevator Actuators?

A

HYD SYS 1 - L OUTBOARD
HYD SYS 2 - L & R INBOARD
HYD SYS 3 - R OUTBOARD

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14
Q

What is TSA?

A

Tail Strike Avoidance System

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15
Q

Max Pitch Up with TSA Inoperative?

A

10° Pitch UP

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16
Q

What is the Stabiliser Trim priority Logic?

A

Backup
LH Pitch Trim Switch
RH Pitch rim Swithc
FCM AUTO Trim

17
Q

In the event of an electrical failure, followed by RAT deployment what happens to the Trim function?

A

It will operate at a low rate

18
Q

Which HS-ACE operates in the event of an electrical emergency?

A

HS-ACE 2 - At low rate

19
Q

Which Hydraulic Systems power the Ailerons?

A

HYD SYS 2 - Inboard Ailerons
HYD SYS 3 - Outboard Ailerons

20
Q

In the event of a RIGHT aileron Jam (FO) what happens?

A

Captain retains control of the LEFT aileron and Spoilers 5 WITH artificial feel

21
Q

In the event of a LEFT aileron Jam (CAPT) what happens?

A

FO retains control of the RIGHT aileron and Spoilers 4 WITHOUT artificial feel

22
Q

What happens in the event of a disconnection of 1 Aileron PCU?

A

Other PCU will operate normally but the force authority will be halved

23
Q

Which Spoilers are Multifunction Spoilers?

A

3-5 on each side

24
Q

What Hydraulic Systems power the rudder?

A

Hydraulic System 1 - UPPER
Hydraulic System 3 - LOWER

25
Q

How many Slats/Flaps are there?

A

8 x Slats Leading Edge
4 x Flaps Training Edge

26
Q

What is the priority order of SLAT/FLAP Retraction/Extension

A

Slats extended FIRST, Flaps Retracted FIRST

27
Q

When might you see a SLAT(FLAP) FAIL EICAS?

A

Skew Protection - When the differential movement of a panel exceeds acceptable limits

28
Q

What happens to the SLATS/FLAPS when the RAT is deployed?

A

Operate in half speed

29
Q

What position must the FLAPS/SLATS be in for the RAT?

A

3 (Max)

30
Q

How many Spoilers are there?

A

10 (6 are MFS)

31
Q

What are the functions of the MFS?

A

Roll Control
Speed Brakes
Ground Spoilers
Steep Approach

32
Q

When are all 10 spoilers commanded?

A

ON GROUND
Wheel Speed above 45kts or Airspeed above 60kts
Thrust Levers below 26°

MFS (Outboard) - 40°
Ground Spoilers (Inboard) - 60°

33
Q

When do all 10 spoilers retract?

A

When the speed is below 45kts for at least 5 seconds

34
Q

What happens to all 10 Spoilers if the throttles are moved beyond 35° after landing?

A

Automatically retracted

35
Q

Are Ground spoilers available in Direct Mode?

A

No

36
Q

When will the speed brakes automatically be retracted?

A

Slaps/Flats Selected to Flap 2 or above
Speed below 180kts
When Thrust Levers advanced beyond 70° (to prevent inadvertent operation during a Go Around

37
Q

How is Steep Approach Armed?

A

By pressing the Steep Approach Button

38
Q

When is Steep Approach Disarmed?

A

ON GROUND
TO/GA for a Go Around
Stall Protection Activated
Steep Approach Button Pressed
Flaps removed from FULL
Airspeed higher than VFE for Flap FULL

39
Q

What is the Cyan Pointer on the Slat/Flap/Speedbrake indication on EICAS?

A

Commanded Slat/Flap Position

Embraer 190 Technical (20 decks)

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