Low Visibility Take Off Flashcards
Who is PF for a LVP (RVR 400m or less) take off?
Captain.
What is the lowest takeoff RVR considering fully operational lighting?
125m
Can an autoland be conducted to a narrow runway?
No.
What distance must a takeoff alternate be within?
320nm
When must 2 alternates be selected if the destination is in LVPs?
When the weather is below the minima of the destination instrument approach.
What MDA/DH do we enter into the PERF page for a CAT3 Dual autoland?
NO DH
On an autoland approach what must be completed by 1000ft?
All ECAM actions complete and configured.
On an autoland, what happens at 900ft?
TCAS downgrades to TA only.
On an autoland, what happens at 800ft?
Landing inhibit until < 80kts.
On an autoland, what happens at 700ft?
FMGC data lock - locks course, frequency, PERF page.
What happens at 350ft on an autoland?
LAND FMA - FCU modes locked, CM1 checks ILS Course is correct.
On an autoland approach between 1000ft and the alert height, what conditions would prompt at go-around?
Alpha floor activation, AP OFF (Cavalry Charge), capability downgrade (Triple click), Amber Caution (single chime), Engine Failure.
No land mode, RED AUTOLAND light.
Can you commence an approach regardless of the RVR/VIS?
Yes, down the the approach ban altitude/segment.
Can the approach be continued if the RVR falls below minima after the approach ban altitude/segment?
Yes.
Which RVR are controlling?
The touchdown zone RVR is always controlling, if reported and relevant mid-point and stop-end are also controlling.
What are the minimum RVR values with and without roll-out guidance for mid-point and stop-end?
75m/125m.
What is the definition of ‘Relevant RVR’ for takeoff?
The RVR for the sections of runway used in takeoff to V1 followed by an RTO down to 60kts.
What is the definition of ‘Relevant RVR’ for landing?
The RVR for the section of runway required for the landing run down to 60kts.
What are the conditions for conducting a LTS CAT1 approach?
Autoland is mandatory and LVPs must be in force.
Is OETD allowed in LVPs?
No.
What is the definition of Fail Operational?
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.
What is the definition of Fail Passive?
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.
What is meant by the ‘alert height’?
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.
When does the ‘approach ban’ come in to force?
1000ft above the aero drone or in the final approach segment of the minima is more than 1000ft above the aerodrome.
What factors cause the RED AUTOLAND light to illuminate? (Active below 200ft RA)
- Loss of the autopilots.
- Loss of the LOC > 15ft.
- Loss of the GS > 100ft.
- Deviation from the LOC/GS.
- RAD ALT discrepancy > 15ft.
- FMGS detects a long flare.
- FMGS detects an early/untimely flare.
What happens when a failure occurs below the alert height?
It is ignored unless it triggers the AUTOLAND warning light.
How many consecutive approaches can take place if there has been no significant improvement in weather?
2
What do the red/white followed by red runway centreline lights mean?
900 and 300m to go respectively.
How many lights do you need to see on CAT II / III approaches?
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.
