Autopilot Flashcards

1
Q

Inner loop controls what

A

Rotary motions

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2
Q

Outer loop controls what

A

Translatory motions

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3
Q

What allows the pilot to override the auto pilot

A

Torque limiter

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4
Q

How is the yaw rate signal used

A

It has to pass a band pass filter and will be adapted inversely proportional to the airspeed

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5
Q

What indications are given to the pilot in FD mode and where are they shown?

A

Roll and pitch commands are shown on the ADI or PFD

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6
Q

What are the three takeoff speeds

A

V1 decision speed
Vr rotation speed
V2 safety speed

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7
Q

When does the yaw bar change to a roll bar during takeoff

A

30ft

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8
Q

What is the frequency for Dutch roll

A

0.25 hz (one oscillation every 4 seconds)

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9
Q

Which sensor is used for yaw dampening

A

Rate gyro about vert axis

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10
Q

What signal does yaw align use

A

Preselected course

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11
Q

What signal does yaw rollout use

A

Localiser deviation and heading error

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12
Q

How is the thrust error signal derived

A

Calculated thrust compared with highest engine thrust

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13
Q

LVTO is defined as

A

RVR of less than 400m

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14
Q

Cat 1 approach condition

A

200ft DH
1800ft RVR

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15
Q

Cat 2 approach conditions

A

200-100ft DH
984ft RVR

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16
Q

Cat 3a approach conditions

A

100ft DH
656ft RVR

17
Q

Cat 3b approach conditions

A

50-0ft DH
656ft RVR

18
Q

Cat 3c approach condition

A

No DH
No RVR

19
Q

What is the Alert Height

A

The height above the ground defined by the manufacturer above which the landing can be terminated, below which the landing must continue. Cat 3 approach

20
Q

What equipment is required for all decision heights below 30m (100ft)

A

Two ILS glide path and localiser receivers one to the pilot, one to the copilot

One Rad Alt with display at each seat

21
Q

DH above 50ft (15m) should be fail….

A

Passive

22
Q

DH below 50ft (15m) should he fail…

A

Operational

23
Q

Fail safe flight control systems

A

HOPS cannot be suppressed by the system

24
Q

Cat 2 capability landing

A

One fail passive autopilot is operational and sufficient redundancy is available

25
Q

Cat 3 A (single) capability

A

One fail passive autopilot and one auto thrust are operational

26
Q

Cat 3B capability

A

Two fail passive autopilots and one auto thrust are operational

27
Q

Where is the auto land warning?

A

In the glare shield in field of view