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Embraer 190 Technical > Automatic Flight > Flashcards

Automatic Flight Flashcards

1
Q

What are the components of the AFCS (Automatic Flight System)?

A

Flight Directors
Autopilot
Yaw Damper

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2
Q

When is the Yaw Damper automatically engaged?

A

After power up of EITHER Hydraulic System 1 or 3

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3
Q

When is the Yaw Damper automatically disengaged?

A

After shutdown of both Hydraulic Systems 1 & 3

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4
Q

How can the Yaw Damper be disengaged manually?

A

By pressing the YD button on the AFCS Guidance Control Panel

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5
Q

How many Autopilot are there?

A

1

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6
Q

How many Channels does the Autopilot have?

A

2 - ACTIVE/HOT Spare (alternates after each landing)

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7
Q

How many Servos does the Autopilot have?

A

1 x Pitch
1 x Roll
1 x Rudder (+1 Rudder Servo for AUTOLAND Aircraft)

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8
Q

What are the Servos connected to?

A

Flight Controls

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9
Q

When can you engage the Autopilot?

A

IN FLIGHT only - by pushing the AP Button

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10
Q

How is the Autopilot Disengaged in Normal conditions?

A

By pressing the AP Disconnect Button on the Control Column

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11
Q

What will you see and hear when the Autopilot is disengaged and how can they be cancelled?

A

AURAL warning AUTOPILOT
FMA AP Annunciation blinks RED

Cancelled by pressing the AP Disconnect button again

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12
Q

What happens when the TCS Button is pressed on the Control column?

A

The Autopilot is momentarily disengaged
Flight Directors are synchronised to the current aircraft attitude
Autopilot Resumes control when Button is released

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13
Q

When is the Autopilot Disengaged in an ABNORMAL situation?

A
  • Reversion to DIRECT mode
  • Either Aileron or Elevator System is disconnected
  • Internal Monitor Failure
  • Pilot Input Contrary to the AP
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14
Q

When is the Autopilot Disengaged in an NON-NORMAL situation?

A
  • AP Button Pressed on the Guidance Panel
  • Either Manual Pitch Trim Switch is actuated
  • Stick Shaker Activated
  • Windshear Guidance Activated
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15
Q

How are the Flight Directors removed with Autopilot Engaged?

A

FD Button pressed on the non-coupled display side ONLY

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16
Q

How are the Flight Directors removed with Autopilot Disengaged?

A

FD Button pressed on the respective panel

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17
Q

When are the Flight Directors Automatically activated

A

TO/GA Button Pressed
Autopilot Engagement
Windshear Detection
Manual Selection of any LATERAL or VERTICAL Mode

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18
Q

What Annunciations are seen on the FMA?

A

Autothrottle
Autopilot
Approach Status
Vertical
Lateral

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19
Q

What are the FMA Colour Codes?

A

Magenta - FMS commanded mode Engaged
Green - Engaged
White - Armed
Amber - Alert
Red - Abnormal

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20
Q

What are the Lateral Modes?

A

ROLL
HDG
LNAV
LOC
BC
TRACK

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21
Q

Which Lateral Mode is not selectable by the pilot?

A

TRACK

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22
Q

What colour & side is the Approach Status when Engaged?

A

GREEN RHS

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23
Q

What colour & side is the Approach Status when Armed?

A

WHITE LHS

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24
Q

What does the SRC Button do?

A

Alternates between LEFT/RIGHT FMA modes as the source for the Autopilot
- Indicated by a green ARROW

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25
Q

What does pressing the CRS Controller do when the CDI is displaying the FMS?

A

Sets The Preview Course

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26
Q

What happens when the NAV Button is pressed and the CDI is selected V/L and the source ILS Frequency is tuned?

A

LOC Engages

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27
Q

What happens when the NAV Button is pressed and the CDI is selected FMS?

A

LNAV Engages

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28
Q

What happens when the NAV Button is pressed with LOC or LNAV engaged?

A

Lateral guidance is reverted to ROLL

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29
Q

What is the Maximum Bank Angle?

A

17°

30
Q

What does the ALT Button do?

A

Selects and deselects ALT Hold Mode

31
Q

What happens when the ALT Select Controller Knob is pressed?

A

The altitude is displayed in Metres

32
Q

What does the FPA Button do?

A

Selects Flight Path Angle Mode

33
Q

What are the Vertical Modes?

A

FPA
TO
ASEL - Altitude Select
FLCH
ALT
VS
VNAV
OVSP
GS
GA
GVP
+ Windshear

34
Q

What is the Bank Angle Limit during Localiser Capture?

A

35°

35
Q

When is LNAV mode ARMED?

A

Automatically when passing through 200ft during a climb
OR
When the aircraft is above 200ft and the NAV button is pressed

36
Q

What is LNAV mode?

A

FMS Source for Lateral Navigation

37
Q

When is HDG Mode deactivated?

A

When HDG is pressed on the Guidance Panel
When another Lateral Mode becomes active

38
Q

What is ROLL mode?

A

Basic Lateral Mode, providing no guidance - maintains AOB until another lateral mode is selected

39
Q

What Bank angle will ROLL mode maintain when activated?

A

Depends on the AOB at the time of activation:

6° or less - Wings Level
above 6°/Below 35° - Holds present AOB
35° + - Maintains 35°

40
Q

When is ROLL mode activated?

A

TO/GA pressed ON GROUND and IAS below 100kts
No Lateral Mode active
Deselecting an Active Lateral Mode
Course to Intercept on the FMS is selected

41
Q

When is TRACK mode used?

A

TAKE OFF & GO AROUND

42
Q

When does TRACK mode activate during TAKE OFF?

A

IAS greater than 100kts
AOB 3° or less for more than 10 seconds

43
Q

When does TRACK mode activate during a GO AROUND?

A

TO/GA Button is pressed

44
Q

When are GS & LOC Modes armed?

A

When the APP Button is pressed

45
Q

When does VNAV mode Engage?

A

When ARMED
Automatically through 400ft in a Climb
OR
Aircraft above 400ft and VNAV is pressed

46
Q

What are the VNAV Sub modes?

A

VARM
VFLCH
VASEL
VGP
VPATH

47
Q

What is VGP mode?

A

Vertical Glide Path

48
Q

When is VGP VNAV Mode activated?

A

Pressing the APP Button within 30nm radial distance from destination and a non-localiser approach with a published constant glide path angle is selected in the FMS

49
Q

When is VGP mode engaged?

A

When the aircraft is within 5nm from the FAF along track distance OR at any distance from the destination when ACTIVATE VECTORS is used and the first waypoint is the FAF

50
Q

What are the ILS Approach Checkpoints?

A

1500ft RA - system starts trying to engage the highest capability
800ft RA - System freezes and no approach upgrades available

51
Q

What is Mach Trim?

A

Trimming the horizontal stabiliser to position as a function of mach number

52
Q

When does Mach Trim engage?

A

Autopilot NOT engaged
Indicated Airspeed above 0.7M
NO Manual Trim of the HS occuring
Neither Disconnect Switches are pressed
No other Trim function is being commanded

53
Q

When is Mach Trim disengaged?

A

When one of the requirements for engagement is no longer true
OR
Fault with the Trim Rate Command Detected

54
Q

What is the Preview Feature?

A

Allows for a transition from FMS Navigation to ILS (V/L Approach Course

55
Q

When does the system Auto select the ILS frequency and Localiser Course?

A

PREV Function used
Auto Tuning Enabled
ILS Procedure is part of the Active Flight Plan
Aircraft within 30nm from Destination

56
Q

What happens when the V/L Button is pressed?

A

Manual Transition from FMS Navigation into an ILS Approach

57
Q

What are the Engagement Capability Requirements for APPR1?

A

Baro Set
Nav Frequency SET to correct LOC Freq
V/L or PREVIEW Selected

58
Q

What are the Engagement Capability Requirements for APPR2?

A

Both set to RA
RAD ALT between 800ft & 1500ft
Minimums displayed on both PFDs Valid
Nav Frequency SET to correct LOC Freq
V/L or PREVIEW Selected & Correct
Slat/Flap 5

59
Q

What are the APPR1 & 2 Capabilities?

A

APPR1 - CATI - BARO
APPR2 - CATII - RA

60
Q

What is the Vertical Mode Takeoff Pitch Guidance?

A

When airborne and IAS is greater than the pitch target: V2+10kts

61
Q

What is the Vertical Mode Takeoff Pitch Guidance with OEI?

A

It depends on the speed at which the Engine Failed

Below V2 - V2
Between V2 & V2+10kts - Present Speed
Above V2+10kts - V2+10kts

62
Q

What are the Take off Pitch Limits in °?

A

7-25°

63
Q

When does IAS change to Mach Number?

A

29,000ft

64
Q

What are the Takeoff & Go Around Speed Targets?

A

Min - VShaker + 10kts
Min OEI - VShaker + 3kts
Max - VFE - 5kts

65
Q

How will you know if OVSP protection has activated?

A

AMBER OVSP on the FMA
Previously Activate Mode will turn white (ARM) and be activated again once OVSP no longer active

66
Q

What is the FPR (Flight Path Reference) Line?

A

Dashed Line, displayed when the FPA is active

67
Q

What is the basic Vertical Mode?

A

FPA

68
Q

What is the Pitch limited to during a GO Around?

A

7-18°

69
Q

When the IAS is greater than the Speed target what is the GO AROUND Guidance?

A

Target VREF + 20kts
OEI - VAC (Approach Climb Speed)
If the Speed target is not valid, the pitch is set to 8°

70
Q

Go Around Mode will not Transition to ASEL/ALT if…

A

The selected altitude is within 400ft from where the TO/GA button was pressed

71
Q
A

Embraer 190 Technical (20 decks)

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