LVO Flashcards
USA - CAT I Minima
200 feet DH
1800 feet RVR (550 meters)
USA - LVTO minima
500ft/500ft/500ft
150m/150m/150m
USA - For operations at or above RVR 1600ft (500m):
- TDZ RVR, if available, is controlling
- If TDZ unavailable, MID may be used
USA - CAT II MINIMA
100ft <= DH < 200ft
1200ft (350m) <= RVR < 2400ft (800m)
USA - CAT III B minima
NO DH or DH < 50ft
150ft (50m) <= RVR < 700ft (200m)
USA - CAT III A minima
No DH or DH < 100ft (50ft is Fail Passive)
700ft (200m) <= RVR
CAT II visual references
- 3 consecutive lights (centreline, edge, approach…)
- 1 lateral element (crossbar, landing threshold..)
CAT III A visual references
- 3 consecutive lights (centreline, touchdown zone, approach, runway edge…)
CAT III B NO DH visual references
No visual references required
CAT III B with DH visual references
- 1 centreline light is attained and can be maintained
EASA CAT I minima
DH >= 200ft
RVR >= 550m (VIS >= 800m)
EASA CAT II minima
100ft <= DH < 200ft
RVR > 300m
EASA CAT III A minima
DH < 100ft
RVR > 200m
EASA CAT III B minima
NO DH < DH < 100ft
75m <= RVR < 200m
To perform CAT III operations a _______ system is mandatory
automatic landing
ALERT HEIGHT - Below AH, the approach will be continued, EXCEPT IF…
the AUTOLAND warning/light is triggered
The ALERT HEIGHT for A320/A312 is
100ft
CAT II - Which RVR measurements are mandatory?
TDZ
CAT III - Which RVR measurements are mandatory?
TDZ and MID (for CAT III NO DH, only one measuring point is required)
CALLOUTS - ‘LOCALIZER’
- Excess Deviation Warning
- 1/4 DOT (PFD)
CALLOUTS - ‘GLIDE SLOPE’
- Excess Deviation Warning
- 1 DOT (PFD)
BELOW 1000ft and ABOVE DH/AH, a go-around must be performed in case of:
- Capability Downgrade (Triple Click)
- Amber Caution (Single Chime)
CALLOUTS - Latest altitude (RA) for CM2 to give ‘NO LAND’
350ft
CALLOUTS - Latest altitude (RA) for CM2 to give ‘NO FLARE’
35ft
For an LVTO with RVR below 150m but NOT LESS than 125m, which criteria must apply?
- High Intensity Runway Centre Line Lights spaced 15m
- High Intensity Edge Lights spaced 60m
- A 90m visual segment, visible from flight crew at the start of the take-off run
- Required RVR is achieved for all relevant RVR reporting points
For A320/A321 the 125m visual segment (from the cockpit)
112.5m
CAT I LTS visual references
- 3 consecutive lights (centreline, edge, approach…)
- 1 lateral element (crossbar, landing threshold..)
CAT I LTS minima
CAT I DH
RVR > 400m
A320 CAT III FAIL OPERATIONAL with DH, the Minimum Decision Height is
20 ft
The CALLOUT ‘LAND’ is done by:
PF/CM1
Above 1000ft, downgrading from CAT III to CAT II is permitted IF:
- ECAM (checklist) actions are completed
- RVR is at least EQUAL to CAT II minima
- Briefing is amended to include CAT II procedure and DH
- Decision to downgrade is completed above 1000ft AGL
Above 1000ft, downgrading from CAT II to CAT I is permitted IF:
- ECAM (checklist) actions are completed
- At least one FD is available
- RVR is at least EQUAL to CAT I minima
- Briefing is amended to include CAT I procedure and DH
- Decision to downgrade is completed above 1000ft AGL
In a CAT III DUAL approach, is a go-around mandatory in case of a single failure below AH?
NO. Only if the AUTOLAND warning light is triggered.
How can a localizer and glideslope RECEIVER failure be identified?
- The PFD and ND (rose ILS mode) display red LOC and G/S flags
- LOC and G/S scales disappear from the PDF
How can a localizer and glideslope TRANSMITTER failure be identified?
- The corresponding index is lost
- The LOC and G/S scales flash
- The corresponding FD bar flashes
The 90m visual segment corresponds to:
- 8 lights (HICL spaced 15m)
- 15 lights (HICL spaced 7.5m)
The touchdown zone RVR shall always be…
…controlling.
If reported and _______, the mid-point and stop-end RVR shall be_____.
-relevant
-controlling
The minimum RVR value for midpoint shall be:
- 125 m, or
- the RVR required for the touchdown zone if less
The minimum RVR value for stop end shall be:
75 m
The minimum RVR value for midpoint can be 75m, if:
the aircraft is equipped with a rollout guidance or control system.
The AUTOLAND warning light flashes if:
- difference between RAs if more than 15ft
- LOC deviation exceeds 1/4DOT with aircraft above 15ft RA
- GLIDE deviation exceeds 1DOT with aircraft above 100ft RA
- Loss of LOC signal above 15ft RA
- Loss of GLIDE signal above 100ft RA
- Dual AP failure
- Long flare
- Untimely flare condition
LVTO - TO alternate requirements:
- minimums CAT I
- one hour single engine
LVTO - technique:
- Captain is PF
- TOGA
- No rolling takeoff
- 50%N1 on brakes
Controlling RVR means…
…the reported values of one or more RVR reporting locations (TDZ, MID and END) are used to determine whether operating minima are or not met.
LIMITATIONS - Glide slope angle
Between -2.5° and -3.15°
LIMITATIONS - airport elevation
At or below 2500ft
LIMITATIONS - runway condition - Automatic ROLLOUT performance is approved on
Dry and wet runways. Performance on CONTAMINATED runways was NOT demonstrated.