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AW169 Type Rating (Leonardo) > Autoflight (22) > Flashcards

Autoflight (22) Flashcards

1
Q

What does SCAS Mean and what do they do?

A
  • Stability and Control Augmentation System
  • Provide AFCS input into the servo actuator
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2
Q

Where are the trim actuators mounted?

A

Under the floor of the cockpit (copilot position)

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3
Q

What controls both MR and TR SCAS?

A

The FCC

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4
Q

What components make up the AFCS?

A
  • FCC
  • 3x MRA SCASS
  • 1xTRA SCASS
  • 4x Trim actuators
  • APCP (Autopilot Control Panel)
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5
Q

What authority can the MRA (Main Rotor) SCAS provide?

A

+/- 10%

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6
Q

What authority does the TRA SCAS provide?

A

+/- 20%

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7
Q

Are the SCAS actuators self centring?

A

YES

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8
Q

The AFCS consists of the following controls:

A
  • Collective and Cyclic Grips
  • Pilot and copilot pedals
  • APCP
  • EDCU
  • DCP
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9
Q

Can FD SEL be given to the other side?

A

NO

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10
Q

What happens when you disengage the APs

A
  • Chime
  • ATT Appears on AFCS Bar
  • [1(2) AP OFF]
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11
Q

What happens when you press WLVL button on the cyclic?

A

6deg Pitch Up
Zero Roll

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12
Q

What does the fifth switch do on the cyclic beeper trim?

A

Engages HOVer hold

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13
Q

What does the collective beep trim fifth position (push down) do?

A

Disengages the collective AFCS Upper Modes

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14
Q

What component directs the trim actuators to move?

A

The FCC

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15
Q

How are the trim positions fed back to the FCC?

A

A resolver

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16
Q

What drives the Trim physically?

A

28 Vdc brushless motor

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17
Q

When is the Trim Actuator deactivated?

A
  • Hands on/feet on mode
  • WOW made
  • When de clutched through EDCU
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18
Q

How many channels are in the FCC?

A

2
Channel 1 - AP1
Channel 2 - AP2

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19
Q

What are the basic modes of the AFCS?
(3)

A

ATT
SAS
WLVL

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20
Q

What are the basic Functions of the AFCS?
(6)

A
  • Control Augmentation
  • Auto Trim
  • Turn coordination
  • Collective Decoupling
  • Collective Safety Function
  • Automatic Variable Speed Rotor
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21
Q

What are the BASIC upper modes of the AFCS?
(8)

A

HDG
ISA
ALT
ALTA
RHT
VS
HOV
GSPD

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22
Q

What are the Nav and Approach Modes of the AFCS?
(11)
(3NAV/ 8 APP)

A

NAV
VNAV
VOR
LOC
VAPP
NLOC
NAPP
DCL
NDCL
GA
NGA

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23
Q

How do you start a BIT on the AFCS AutoPilot Control Panel (ACP)

A

Pressing the two rotary knobs simultaneously
(only the panel is checked, not the AP)

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24
Q

What does the white mode status indicate on the Autopilot Control Panel

A

Armed

25
Q

You press a rotary knob on the AP Control Panel - how does it indicate a successful engagement?

A

Green ring around the knob

26
Q

How does an AFCS annunciation indicate a mode failure?

A

Amber dashes

27
Q

How does an AFCS annunciation indicate a degraded mode?

A

Flashing amber box

28
Q

What do amber chevrons either side of an AFCS Annunciation mean?

A

Excessive deviation

29
Q

How do you view the status of the Force Trim?

A

Via EDCU

30
Q

What happens to all other engaged modes when WLVL is pressed?

A

They are disengaged

31
Q

How do you disengage the WLVL function?

A

Press ATT then selecting another mode

32
Q

During WLVL activation, what happens when both new pitch and roll datum’s are achieved?

A

ALT mode is engaged

33
Q

What is the purpose of Collective Decoupling (C-DCPL)?

A

To remove the automatic cross-coupling of controls

34
Q

What speed can IAS be engaged?

A

> 45kts

35
Q

When can ALTA be engaged?

A

> 40kts
200ft

36
Q

What ROC does the G/A default to?

A

+1000fpm

37
Q

What ROD does the ALTA default to?

A

-750fpm

38
Q

When will ALTA not engage ALT upon level off?

A

When <200ft
Will go to RHT

39
Q

Which Upper modes drop out below 35Kts?
(9)

A

IAS
HDG
NAV
VS
APP
GA
ALTA
DCL
NDCL

40
Q

When does “ALTITUDE ALTITUDE” annunciate with RHT engaged?

A

Discrepancy exists between current height and datum reference of 1/8 height +7ft

41
Q

At what heights can you engage RHT mode?

A

30 - 2500ft

42
Q

What are the engagement limits for HOV mode?

A
  • Airspeed up to 75kts
  • RHT 20 - 2500ft
  • Longitudinal ground speed les that 60kts
43
Q

What are the GA engagement criteria?

A

> 40kts

44
Q

What is the automatic Mode engagement sequence of GA?

A
  1. GA displayed on Coll & Picth
  2. HDG mode engaged
  3. Climb set to achieve 1000fpm ROC
  4. Aircraft pitched to 75kts
  5. At 75kts (Vy), 1000fpm and >200ft VS & IAS capture
45
Q

What are the engagement criteria for the NAV mode?

A

> 40kts

46
Q

How can you change the NAV primary source?

A

NAV Bezel key on the PFD

47
Q

When is ALVL engaged and what height does it take you down to?

A

<200ft
down to 70ft then RHT and IAS engage

48
Q

What does NLOC stand for and why is it different to LOC?

A

Autonomous Localizer
Used FMS, not a ground station

49
Q

What does the DCL mode do and what mode can it be used on?

A

ILS only
200ft @ 75kts

50
Q

What are the default NDCL parameters?

A

Initial (3nm) @ 120kts
Final (0.5nm) @ 90kts

51
Q

When will NDCL disengage?

A
  • Pressing DCL
  • Pressing GA/TU
  • Loss of FMS capture condition
  • Loss of FMS Valid
  • <40kts
  • NAPP mode not armed or engaged on collective axis
52
Q

What happens to NDCL when the MAP is reached?

A

Disengaged

53
Q

How is the AFCS Preflight test initiated and how long does it take?

A

On the AFCS Control Panel
2 minutes

54
Q

What does [TEST ABORTED HYDRAULIC PRESSURE LOW] mean?

A

Insufficient hydraulic pressure from electric hyd pump to perform AFCS test

55
Q

What happens if the CBIT fails in the AFCS?

A

[1(2) AP FAIL]

56
Q

What generates [1(2) AP HOT]?

A

> 90°C >10s

57
Q

What does the PWR LIM AFCS non-CAS message mean?

A

Collective Safety Function engaged
(generates an aural tone - single chime)

58
Q

What is the Max ROD on an Approach?

A

900fpm

AW169 Type Rating (Leonardo) (30 decks)

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