737 Flight Crew Operations Manual
Operational Information
Low Visibility Operations (LVO)
Chapter OI
Section 3
LOW VISIBILITY TAKE-OFF PROCEDURES
When RVR/Visibility is reported to be less than 400 M, takeoff shall only be performed
by Commanders with LVTO qualifications.
Lighting and marking
RVR
Runway edge lighting and/or centerline marking
350 M (1)
Runway edge and centerline lighting
250 M
Runway edge, centerline lighting and multiple RVR information
200 M (2)(3)
Notes:
1. For night operations, at least runway edge and runway end lights are required.
2. The reported RVR/visibility representative of the initial part of the take- off run
can be replaced by pilot assessment when no reported RVR or visibility is
available.
3. The required RVR value must be achieved for all of the relevant RVR
reporting points except as stated in (2) above.
Tune localizer frequency on both NAVAIDS
LOW VISIBILITY APPROACH PROCEDURES
DESTINATION AND ALT WEATHER. .............................................. .CHECKED
Monitor destination and alternate weather. Ensure alternate weather above CAT I
minimums. Check ATIS to see if Low Visibility Procedures are enforced.
CREW LVO QUALIFICATION ........................................................... .CHECKED
Both pilots must be qualified and recent.
AIRCRAFT STATUS ..... ............................................................. ............CHECKED
AIRPORT LOW VISIBILITY REQMT .......................................... ......CHECKED
LIMITATIONS .............. ............................................. .............................CHECKED
- Crosswind: Apply most restrictive limit from:
Autoland Limitation
Slippery/Contaminated Runway Limit
- Landing distance required (FCOM/QRH advisory information)
CAT I BARO MINS ................ .............................................................. .......PRESET
CATII MINS ..... ....................................................................................... ........... SET
Set the higher of Malindo / Approach Chart Minimums / Approval Listing
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737 Flight Crew Operations Manual
MXD LVO APPROACH MINIMA
DH (FT)
RVR
CAT II
100
300M
CREW TASK............ ............................................. .................................REVIEWED
The Captain in the left seat is the PF who takes the decision to land or to carry out a goaround at DH, the Co-Pilot has the task of monitoring the approach and making the
appropriate callout.
CREW DUTIES
Duties
Condition / Location
PM
Under instruments
(Head Down)
Under Instrument
(Head Down)
Above 500 ft RA
Below 500 ft RA
Approaching DH
Landing Taxi Speed (20
kts)
Under Instrument
(Head Down)
External scanning / Under
Instrument
(Head Free)
PF
Under Instrument (Head
Down)
External scanning / Under
Instrument
(Head Free)
External Scanning (Head
Up)
External Scanning (Head
Up)
DOWNGRADING, APPROACH BAN....................................... ..........REVIEWED
Policy regarding an approach ban may differ from country to country. Usually the final
approach segment may not be continued beyond the OM or equivalent DME distance if
the reported RVR is below the published minima for the required transmissometers. After
OM or equivalent, if RVR becomes lower than the minima, the approach may be
continued. Where no OM or equivalent position exists, the approach ban shall be 1000
ft.
------------------------------------------10000 FT------------------------------------------APU (If available).............................................. ............................. ..................START
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737 Flight Crew Operations Manual
CAT II CALLOUT
Condition / Location
1500 ft RA
Callouts
PM
FLARE ARMED
CMD"
PF
"Check"
"Check"
At 1000 ft AFE
"1000"
At 500 ft AFE - check
AFDS
status and any deviation
"500"
CMD
"Check"
"Approaching
minimums"
"Check"
"Minimums"
"Go-around,
Flaps 15"
OR
"Landing"
DH + 100 ft RA
At DH - Visual reference
not
established
OR
At DH - Visual
Reference
established
At 50 ft RA FLARE
changes to
green
At 27 ft RA Thrust
levers move
to idle. FMA indicates
RETARD.
At 60 knots
FLARE
OR
"NO FLARE"
if no mode change
RETARD
OR
"NO RETARD"
if no mode change
"60 knots"
"Check
OR
Go Around"
Check
OR
Retard the Thrust Lever
Manually
"Check"
*Note:
Primary callout as per company policy is from PM. Auto callout will
act as back up.
All height callouts below 200FT are based on Radio Altimeter
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OI.3.3
737 Flight Crew Operations Manual
List of Airports
COUNTRY
AIRPORT
APPROVAL
DH/RVR
India
VIDP
CATII
100FT/300M
1.
2.
Remarks
LVTO - As
per
DCAM
Approval
TAKE OFF/LANDING MINIMA - Aerodrome Operating Minima (AOM)
or Malindo MINIMA whichever limiting.
Aircraft performance must able to meet the missed approach climb gradient
for the runway and approach category.
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