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LOW VISIBILITY PROCEDURES > Low Visibility Take Off > Flashcards

Low Visibility Take Off Flashcards

1
Q

Who is PF for a LVP (RVR 400m or less) take off?

A

Captain.

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2
Q

What is the lowest takeoff RVR considering fully operational lighting?

A

125m

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3
Q

Can an autoland be conducted to a narrow runway?

A

No.

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4
Q

What distance must a takeoff alternate be within?

A

320nm

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5
Q

When must 2 alternates be selected if the destination is in LVPs?

A

When the weather is below the minima of the destination instrument approach.

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6
Q

What MDA/DH do we enter into the PERF page for a CAT3 Dual autoland?

A

NO DH

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7
Q

On an autoland approach what must be completed by 1000ft?

A

All ECAM actions complete and configured.

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8
Q

On an autoland, what happens at 900ft?

A

TCAS downgrades to TA only.

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9
Q

On an autoland, what happens at 800ft?

A

Landing inhibit until < 80kts.

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10
Q

On an autoland, what happens at 700ft?

A

FMGC data lock - locks course, frequency, PERF page.

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11
Q

What happens at 350ft on an autoland?

A

LAND FMA - FCU modes locked, CM1 checks ILS Course is correct.

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12
Q

On an autoland approach between 1000ft and the alert height, what conditions would prompt at go-around?

A

Alpha floor activation, AP OFF (Cavalry Charge), capability downgrade (Triple click), Amber Caution (single chime), Engine Failure.

No land mode, RED AUTOLAND light.

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13
Q

Can you commence an approach regardless of the RVR/VIS?

A

Yes, down the the approach ban altitude/segment.

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14
Q

Can the approach be continued if the RVR falls below minima after the approach ban altitude/segment?

A

Yes.

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15
Q

Which RVR are controlling?

A

The touchdown zone RVR is always controlling, if reported and relevant mid-point and stop-end are also controlling.

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16
Q

What are the minimum RVR values with and without roll-out guidance for mid-point and stop-end?

A

75m/125m.

17
Q

What is the definition of ‘Relevant RVR’ for takeoff?

A

The RVR for the sections of runway used in takeoff to V1 followed by an RTO down to 60kts.

18
Q

What is the definition of ‘Relevant RVR’ for landing?

A

The RVR for the section of runway required for the landing run down to 60kts.

19
Q

What are the conditions for conducting a LTS CAT1 approach?

A

Autoland is mandatory and LVPs must be in force.

20
Q

Is OETD allowed in LVPs?

A

No.

21
Q

What is the definition of Fail Operational?

A

In the event of a failure below alert height approach, flare and landing can be completed automatically. In the event of a failure, the automatic landing system will operate as a fail passive system.

22
Q

What is the definition of Fail Passive?

A

A flight control system is fail passive if in the event of a failure, there is no significant out of trim condition or deviation of flight path or attitude but the landing is NOT completed automatically. For a fail passive automatic flight control system, the pilot assumes control of the aircraft after a failure.

23
Q

What is meant by the ‘alert height’?

A

The alert height is a specified radio height based on the characteristics of the aircraft and it’s fail operational landing system. In operational use, if a failure occurred above the alert height in one of the required redundant operational systems, the approach would be discontinued and a GA executed. If a failure in such a system occurred below alert height it would be ignored and the approach continued.

24
Q

When does the ‘approach ban’ come in to force?

A

1000ft above the aero drone or in the final approach segment of the minima is more than 1000ft above the aerodrome.

25
Q

What factors cause the RED AUTOLAND light to illuminate? (Active below 200ft RA)

A
  1. Loss of the autopilots.
  2. Loss of the LOC > 15ft.
  3. Loss of the GS > 100ft.
  4. Deviation from the LOC/GS.
  5. RAD ALT discrepancy > 15ft.
  6. FMGS detects a long flare.
  7. FMGS detects an early/untimely flare.
26
Q

What happens when a failure occurs below the alert height?

A

It is ignored unless it triggers the AUTOLAND warning light.

27
Q

How many consecutive approaches can take place if there has been no significant improvement in weather?

A

2

28
Q

What do the red/white followed by red runway centreline lights mean?

A

900 and 300m to go respectively.

29
Q

How many lights do you need to see on CAT II / III approaches?

A

CAT II: 3 Consecutive lights and a lateral element.

CAT IIIA: 3 Consecutive lights

CAT IIIB: 1 Light if DH is required, otherwise no visual cue required.

LOW VISIBILITY PROCEDURES (1 decks)

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