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-x-A320 notes-x- > -x- Low Visibility Ops -x- > Flashcards

-x- Low Visibility Ops -x- Flashcards

1
Q

What is the difference between LVOs and LVPs?

A

LVOs are what the airline do. LVPs are what the airport does

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2
Q

What is the difference between CAT3DUAL and CATIIIB?

A

CAT 3 DUAL is an aircraft capability. CAT III B is a facility offered by the airport. In order to take advantage of the CAT III B facility, aircraft must have CAT 3 DUAL capability on the FMAs

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3
Q

To take advantage of CAT III A facility at an airport, what is the minimum FMA required to take advantage?

A

CAT 3 SINGLE

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4
Q

To take advantage of CAT II facility at an airport, what is the minimum FMA required to take advantage?

A

CAT 2

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5
Q

To take advantage of CAT III B facility at an airport, what is the minimum FMA required to take advantage?

A

CAT 3 DUAL

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6
Q

What does ‘fail operational’ mean?

A

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

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7
Q

What does ‘fail passive’ mean?

A

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. This would mean that the pilot would need to take control in the event of a failure

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8
Q

What is the ‘Alert Height’?

A

Specified radio height based on the characteristics of the aircraft and its fail-operational landing system.

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9
Q

What would you do in the event of a failure of one of the required redundant operational systems in the aircraft above the alert height?

A

Discontinue the approach and go-around, unless reversion to a higher decision height is possible

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10
Q

What would you do in the event of a failure of one of the required redundant operational systems in the aircraft below the alert height?

A

Ignore the failure and continue the approach

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11
Q

In easyJet, can an FO be PF for an autoland?

A

No

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12
Q

What is easyJet’s policy if planning a CAT II approach?

A

LVPs must be in force, and autoland must be planned

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13
Q

What are the minimum RVRs required for takeoff?

A

Check in AOI section of LIDO

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14
Q

What ceiling or RVR will cause an airport to introduce LVPs?

A

Ceiling less than or equal to 200ft

RVR less than or equal to 600m

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15
Q

What is the difference in taxiing in LVPs?

A

Do nothing when moving - all checks must be done at a standstill.
Thoroughly brief taxi routing, and use headings to confirm.
Consider lights to make yourself more visible
OETD prohibited

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16
Q

Where do you find a list of the required equipment for an autoland?

A

In the QRH - OPS 4

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17
Q

When should the LVO PA be made before departure?

A

Prior to taxi

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18
Q

If planning a takeoff in LVPs, when should the pilots inform the cabin crew?

A

Prior to doors closed

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19
Q

When is the approach ban point?

A

1000ft above airport elevation, or in the final approach segment in the case where DA/H or MDA/H is more than 1000ft above the aerodrome

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20
Q

What is the significance of the approach ban?

A

You can continue past the approach ban point if the TDZ RVR and MID/STOP (if reported and relevant) are above minimum.

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21
Q

If RVR deteriorates below minimum after you have passed the approach ban point, what are your options?

A

Approach may be continued to DA/H or MDA/H (in the case of CAT 3B no DH - to land)

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22
Q

What is the purpose of CAT I LTS?

A

It is a category of ILS approach in which the required RVR can be reduced below 550m on the basis that autoland will be used. It can be used on authorised runways which for various reasons cannot support CAT II/CATIII operations

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23
Q

What are the requirements for a CAT I LTS?

A

Autoland mandatory
LVPs must be in force
Suitability promulgated in the AIP
Minima published in instrument approach chart

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24
Q

What is an OTS CAT II? When are you likely to see this?

A

Other than standard CAT II. Where some or all of the elements of the precision approach or runway light system required for a standard CAT II approach are not available. The deficiency in lighting is offset by use of the autoland

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25
Q

What are the requirements for OTS CAT II?

A

LVPs in force
Autoland mandatory
Required visual reference is the same for CAT II
Minima for OTS CAT II published on the instrument approach chart

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26
Q

What are the required visual references for a CAT I approach?

A

Elements of the approach light system, threshold, threshold markings, threshold lights, threshold identification lights, visual glideslope indicator, touchdown zone, touchdown zone markings, touchdown zone lights, runway edge lights

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27
Q

What are the required visual references for a LTS CAT I approach?

A

As per CAT II

3 consecutive lights and a lateral element

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28
Q

What are the required visual references for a CAT II approach?

A

3 consecutive lights and a lateral element

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29
Q

What are the required visual references for a OTS CAT II approach?

A

As per CAT II

3 consecutive lights and a lateral element

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30
Q

What are the required visual references for a CAT IIIA approach?

A

3 consecutive lights

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31
Q

What are the required visual references for a CAT IIIB approach?

A

None (1 light for CAT III B with DH)

32
Q

What is ‘company’ DH on CAT III B approach?

A

No DH (unless indicated otherwise. If a DH is published, use that. With a published DH, this changes the required visual references from nothing (standard CAT III B) to needing to see 1 light

33
Q

If CAT III B minima are published, but the aircraft is not capable and needs a CAT III A minima, what options do you have?

A

CAT III A minima can be used by default if needed. Minima would be DH50/ RVR200

34
Q

Where can you easily find the headwind, crosswind and tailwind limits for low visibility procedures?

A

In the QRH low visibility operations landing summary page

35
Q

At what height is landing inhibit?

A

800ftRA

36
Q

At what height is the FMGC data lock?

A

700ftRA

37
Q

What should you do in low visibility operations when you get a master caution or downgrade between 1000ft and alert height (100ft)?

A

Go around, unless visual references are sufficient. (Required equipment not monitored by FMGC is no longer relevant)

38
Q

What should you do in low visibility operations when you get a red AUTOLAND light?

A

Go around

39
Q

When is the red AUTOLAND light active?

A

Below 200ftRA

40
Q

What would generate a red AUTOLAND light?

A 
Loss of both APs,
Loss of LOC > 15',
Loss of G/S >100',
Deviation from LOC or G/S,
RADALT discrepancy > 15ft,
FMGS detects long flare,
FMGS detects early/untimely flare
41
Q

In an autoland, what should you do in the event of a failure below 100ft?

A

If it triggers the AUTOLAND light, go around. Any failure affecting the fail operational criteria is ignored

42
Q

How many consecutive approaches can be attempted in LVPs?

A

2 consecutively, subject to significant wx improvement, emergency, or non-related GA and assured landing

43
Q

After landing, what do alternating red and white centreline lights mean?

A

900m to go

44
Q

After landing, what do continuous red centreline lights mean?

A

300m to go

45
Q

What is the FO visibility limitation on takeoff?

A

550m RVR

46
Q

What is the lowest visibility for takeoff with LVPs in force?

A

Depends on lights and day/night. Info in QRH SI 20.

With maximum available lighting, 125m RVR for all relevant RVRs, although pilot assessment can replace RVR for the first third.

Caution - airport may have more restricted value in AOI

47
Q

What is the lowest visibility for takeoff with LVPs not in force?

A

Depends on lights and day/night. Info in QRH SI 20.
No lights 500R/500V
Lights 400R/400V

Caution - airport may have more restricted value in AOI

48
Q

Is an autoland CONF FULL or CONF3?

A

Approved for both

49
Q

Is an autoland CONF FULL or CONF3, when OEI?

A

A320 CEO fail passive autoland - flap full only

A319/A320 NEO fail passive autoland - flap 3 or full

50
Q

What glideslope angle is approved for autolands?

A

2.5 to 3.15 (CEO) or 3.25 (NEO)

Hence caution in AGP

51
Q

What is the maximum airport elevation approved for autolands?

A

9200ft

Note autolands not approved below -1000ft pressure altitude (977hPa or lower if sea level)

52
Q

What aircraft weight is approved for autolands?

A

Must be below max landing weight

However, for A319 and depending on situation, and providing runway is approved, can decide to perform autoland up to 69t

53
Q

What does NALS stand for?

A

No Approach Lighting System

54
Q

What does BALS stand for?

A

Basic Approach Lighting System

55
Q

What does IALS stand for?

A

Intermediate Approach Lighting System

56
Q

What does FALS stand for?

A

Full Approach Lighting System

57
Q

Where is the information about RVR values for approach?

A

OMA 8.4.4

58
Q

What are the minima for a CAT 1 approach?

A

200ft AAL

RVR 550m

59
Q

What are the minima for a CAT 1 LTS approach?

A

CAT 1 DA

RVR 400/450m

60
Q

What are the minima for a CAT II approach?

A

100ft RA

RVR 300m

61
Q

What are the minima for a CAT II OTS approach?

A

100ft RA

RVR 350m

62
Q

What are the minima for a CAT IIIA approach?

A

50ft RA

RVR 200m

63
Q

What are the minima for a CAT IIIB approach?

A

N/A

RVR 75m

64
Q

What is and LTS CAT I approach?

A

LTS CAT I can be used on authorised runways which cannot support CAT II or CAT III operations.

Required RVR can be reduced below 550m on the basis that an autoland will be used

65
Q

What are the minimum requirements for CAT I LTS?

A

Autoland is mandatory
CAT II required on FMA
LVPs must be in force
Suitability for CAT I LTS promulgated in LIDO
Minima for CAT I LTS published in the instrument approach chart

66
Q

What is an OTS CAT II approach?

A

CAT II ILS approach where some or all of the elements of the precision approach or runway lighting system required for a CAT II approach are not available due to terrain or infrastructure constraints

67
Q

If CAT IIIB minima are shown on LIDO, can you fly a CAT IIIA approach there?

A

Yes. Where a CAT IIIB is published, a CAT IIIA minima (DH50/R200) can be used by default if needed

(For example for a OEI approach)

68
Q

Which approaches is the approach ban relevant for?

A

All approaches

69
Q

What happens below 1000ft is you lose one of the required equipment which is not FMGC monitored?

A

Continue

70
Q

What RVR is required for an auto roll out?

A

Mid-point 75m

Stop end 75m

71
Q

What RVR is required for a manual roll out?

A

Mid-point 125m

Stop end 75m

72
Q

From how far away can the ILS beam be used?

A

25nm within 10 degrees of centreline

17nm within 35 degrees of centreline

73
Q

How would you classify mist?

A

Visibility affected by water droplets but >1000m

74
Q

How would you classify haze?

A

Visibility affected by solid particles but >1000m

75
Q

How would you classify fog?

A

Visibility <1000m

-x-A320 notes-x- (55 decks)

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