COLD WX OPS/LVO's Flashcards
HOW WIDE DOES A R/WAY NEED TO BE CLEARED TO ALLOW FOR T/O & LANDING IN SNOW?
Cleared & treated not less than 30m
OMB 2.1-NORMAL PRO-OPERATING LIMITS
WHAT IS THE DEFINITION OF SEVERE ICE ACCRETION?
5mm or more
FCOM-LIMITATIONS-ICE & RAIN PROTECTION
WHAT ARE THE MIN SPEEDS WITH ICE ACCRETION?
WAI operative
CLEAN - CONF 3 = VLS +10kt
FULL CONF = VLS +5kt
WAI NOT operative
VLS + 10kt/green dot
FCOM-PRO-NORM PRO-SUPP-PRO-ADVERSE WX
WHEN SHOULD ENG ANTI-ICE BE USED AFTER ENG START?
In icing conditions
TAT is at/below 10’c & visible moisture is present or visibility is 1600m or less
10’c or less and visible moisture is present on the ground for taxi and T/O
OMB 2.3.9 NORM PRO-SOPS-AFTER START
WHEN SHOULD THE ICE SHEDDING PROCEDURE BE USED? AND WHAT IS THE PROCEDURE?
CEO
When icing conditions & OAT +3’c or less for more than 30mins.
The procedure:
Park break ON, clear of A/C & objects
Set 70% N1 for 30s
Intervals not greater than 30mins
In freezing rain/drizzle/fog or heavy snow then every 10mins.
NEO
N1 50% for 5s at intervals of not greater than 60mins
CWQR 1.5
WHAT SHOULD BE REVIEWED FOR AN AUTOLAND?
- Task sharing and callouts
- Management of degraded guidance
- LVP’s at the Airport
OMB 2.3.18.3.1.2 NORM PRO-SOPS-APP-A/C GUIDANCE-USING LOC/G/S
WHEN WOULD AN AUTOLAND WARNING LIGHT TRIGGER?
ALL BELOW 200ft WITH AT LEAST 1 AP & LAND/FLARE
- LOC deviation 1/4 dot + A/C above 15ft RA
- GLIDE deviation 1 dot + A/C above 100ft RA
- Loss of LOC above 15ft RA
- RA difference is greater than 15ft
- Last AP disengages
- FMGS detects long flare
- FMGS detects untimely flare
FCOM 22_30-80-30 APP-PRECISION APP
WHAT IS THE CRITERIA ALLOWED FOR A LTS?
- LVP’s in force
- LTS CAT 1 minima published ILS
- CAT 2,3 SINGLE/DUAL displayed FMA
- At least 1 AP for APP & AUTOLAND
- No OFP not prohibiting LTS CAT 1
*OMB 2.3.18.1.1 NORM PRO-SOPS-APP-A/C GUIDANCE
TAKEOFF MINIMA, WHAT IS REQUIRED?
Minimum 125m for all points.
Visual assessment can be made for the first segment. 90m = 6 lights at 15m spacing.
WHAT ARE THE DIFFERENT TYPES OF DE-ICING/ANTI-ICING FLUIDS?
TYPE 1 - Unthickened, used mainly in STEP 1 and is clear or light ORANGE
TYPE 2 - Thickened, improved holdover time, STRAW colour
TYPE 4 - THICKENED, longer holdover times, GREEN colour.
TRAFFIC LIGHTS, (RED,AMBER,GREEN)
OMA 8.2.4.3.2
IS FLEX T/O PERMITTED ON A CONTAMINATED R/WAY?
NO
WHEN IS T/OFF NOT PERMITTED WITH CERTAIN R/WAY CONDITIONS REPORTED ON THE GRF (GLOBAL REPORTING FORMAT)?
WET ICE WATER ON TOP OF COMPACTED SNOW DRY SNOW ON TOP OF ICE WET SNOW ON TOP OF ICE RWYCC 0 Operational Quick Access
WHEN SHOULD FLAP/SLAT SELECTION HAPPEN WHEN TAXIING IN SLUSH/SNOW COVERED TAXI-WAYS?
Delayed until reaching the holding point. To avoid contaminating the slat/flap actuation mechanism
FCTM-PR-NP-SP-10-10-1
IF SNOW OR CONTAMINATES ARE PRESENT WHAT SHOULD BE DONE ON TAXI IN?
FLAPS/SLATS should not be retracted as to prevent damage by crushing ice. A visual inspection shall be performed once on stand then if free of ice retraction can be done.
FCTM-PR-NP-SP-10-10-2
WHAT ARE THE VISUAL REFERENCES REQUIRED FOR T/OFF IN LVO’S?
125m
high intensity centreline lights 15m or less & high intensity edge lights 60m or less
QRH-SI-20