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Winter Ops Flashcards

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1
Q

What are the maximum depths of runway contaminants for take off?

When more than 25% of the runway surface area, within the required length and width being used for takeoff)

A

Standing Water 0.5 in,
Slush 0.59 in,
Wet Snow. 0.75 in,
Dry Snow 3 in,

(Different for landing)

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2
Q

What is visible moisture by bombardier definition for a WAT data?

A

Any precept or cloud below 1500 ft

Wat data - visible moisture - YES

Ice ACC - yes

Icing conditions - no unless less than or = to 10*

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3
Q

When do we add the malfunction additive to the Vga and Vac?

A

Always

They go on top of the Vref Vga Vac calculated

(Write them down before you erase)
(Bleed inop has special unequal additives)

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4
Q

What do we do different on the ice shedding procedures on the ground in heavy Snow?

A

60% N1 and hold it for 10 sec

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5
Q

What runway condition are not considered a contaminant but are equivalent to WET runway condition code?? (3)

A

Frost
Damp
Trace
Contaminants with depth = 1/8” (0.13”) or 3 mm

FOM Apdx 4 16.1.2.8 and chart on 16.1.2

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6
Q

What runway condition code do we use for a sanded or chemically treated ice with CRFI >0.40?

A

Compact snow

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7
Q

What runway condition code for landing do we use when contaminants are less than 25%?

A

Wet 5

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8
Q

What ice contaminants which in combination of ice conditions >25% is prohibited? (5)

A

Wet ice,
Water over ice,
Dry or wet snow over ice,
Slush over ice,
Water over compact snow,

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9
Q

When is WAI inhibited by the system?

A

> 60 Kts until 1500 ft

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10
Q

What conditions are we not allowed to take off in? (4)

A

Hail
Heavy Ice pellets
Moderate or heavy freezing rain

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11
Q

What precipitation conditions are we not allowed to land in?

A

Moderate or heavy freezing rain

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12
Q

What RwyCC is prohibited for landing?

A

RwyCC 0

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13
Q

If icing is picked up on approach what has to be done after landing?
(3)

A

Leave flap/slat extended
Advise maint
Defect in log book “for information only - slat/flaps operated in icing conditions “

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14
Q

What happens if there is a disagreement on deice? (2)

A

Tactile inspection
Then most conservative action taken

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15
Q

When looking for runway condition on an EASA what do you have to remember

A

Only lists lower number for runway
07/25 only see 07

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16
Q

Can you do single eng taxi with a contam runways

A

No

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17
Q

Can you take off in ice pellets if they stop?

Restrictions?

A

Yes up to 90 min, as long as the temperature does not drop

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18
Q

When do we have to do a PDI? (3)

A

1 truck,
Outside North America,
Any doubt to the effectiveness of fluid,

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19
Q

What is alpha limit?

A

ALPHA LIMIT (Caution) message is displayed by the Fly-by-Wire
system after ice has been detected and the wing anti-ice is off.

Flap 5 use Vref +5

See chart for limitations AOM SUP PRO 1.03.30

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20
Q

When is the Ice-dispersal procedure used and what is the procedure?

A

Ice-Dispersal Procedure must be accomplished when directed by a
Non-Normal procedure or whenever the crew believes the ice has
been accreted on the aircraft. This procedure allows for FLAP 4 or
FLAP 5 landings, with a ΔVREF of 10 knots when ice remains on the
wings’ leading edge.
(AOM Supplemental Pro 1.03.30)

(When wing anti-ice failure in icing conditions exists, the ALPHA LIMIT
(Caution) message will likely be displayed. In this case, combining ΔVREF values or multiplying OLD factors for the different Non-normal checklists or FLAP 5 in icing is not required)

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21
Q

What do you do if you encounter engine vibrations in flight?

A

Momentarily increase to CLB thrust

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22
Q

Considerations for holding when picking up ice? (1)

A

Do not extend slats/flaps

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23
Q

What is the limitation for X-wind Take off on ice?

A

10 kt X-Wind for take off and Landing

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24
Q

When doing a LNAV APP with temp comp, 50 ft must be added. What is temp comped the MDA then add 50 ft, or MDA + 50 ft both temp comped?

A

MDA + 50 ft, then temp comp

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25
When do we temp com MAA?
When temp is less than TLIM or ACT/TCA Must inform ATC
26
Below TLIM can you do a LPV? LNAV/VNAV? LNAV?
LPV yes LNAV/VNAV yes but need to temp comp LNAV No, look up tho
27
What is the limit for X wind for contamination for T/O and Landing? Snow <1/8 (3mm) Compact snow < -15 Snow >1/8 (3mm) Water/slush >1/8 (3mm) Ice (<25%)
29 27 20 10 10
28
What is the max Percentage a Runway can be covered with ice?
25% (Greater than 25 prohibited)
29
How do you perform a Wing A/test?
Synoptic - Info A/T off Power to 30% Wing A/Ice - ON Wing A/Ice box on synoptic becomes available AOM Vol 2 30.3.2.3
30
What is the definition of inflight icing conditions?
Icing conditions exist in flight at a TAT of 10°C or below, and visible moisture in any form is present (such as clouds, rain, snow, sleet, and ice crystals), except when the SAT is -40°C or below. Wing anti ice also has a limit off Wing anti-ice must be selected OFF when above 35000 feet. Wing anti-ice ON is prohibited when TAT is above 15°C.
31
When do we add the Speed corrections for approach and landing in icing conditions with FLAP 5? Which V speed?
During an approach and landing in icing conditions, or if there is evidence of ice-accretion, VREF, VGA and VAC speeds must be increased by 5 KIAS
32
7 deg Wet Runway no precip Cowl ON?
No Certified for Auto (With no precip, wet is technically not contaminated)
33
What is frost considered when requesting wat data for T/O?
Wet
34
How do you know if temp comp is on?
You get a @ symbol after the altitudes on approach
35
When do we temp comp when DH is >1,000 ft?
= 10 deg
36
What is ACT
ACT is the temperature at which obstacle clearance cannot be assured due to colder-than-ISA altimetry errors. (Temp Compensation is required when the reported airport temperature is at/or below the ACT published for the approach in the Jeppesen 10-10 pages)
37
When is the Cowl Anit ice inhibited? (2)
1500 ft or 2 min which ever happens first >15 deg OAT
38
What happens when Prob heat is pressed?
2 min timer (Only if on EXT Pwr or APU Pwr)
39
What temp is approach temp comp required outside Canada and USA?
Below -15 unless otherwise noted in the 10-10 pages
40
What is the representative surface for the A220?
leading edge in conjunction with the trailing edge of the wing. Wing spoilers should also be used to provide an indication of fluid condition. (AOM1 1.04.18 pg7)
41
When de-icing at the gate should you release the brakes?
No, Send a message to DX “OUT HH:mm Gate Deicing”
42
Which slats are heated?
2, 3 & 4
43
What is the Lout for type 1 and 4 fluids at AC?
In Canada, except for CYHM, all service providers use Ethylene Glycol (EG) based Type I and Type IV fluids. Type I fluid can be used down to and including -45°C. Type IV fluid can be used down to and including -29°C. Air Canada approved de-icing service providers will always apply the correct Type I fluid concentration to meet the Lowest Operational Use Temperature (LOUT). As such, it is not a requirement for Flight Crew to query the de-icing service provider for LOUT or BRIX values.
44
At extremely low temperatures it is common to get Ice Crystals IC. Do we have Deice procedure for IC?
“While the METAR and ATIS will report Ice Crystals (IC) as a precipitation, it is not common for Ice Crystals to adhere to the aircraft surfaces at these low temperatures.” FOM 10.2.4 states “cold dry snow or ice crystals lying overtop of a cold dry, otherwise clean wing is not considered to be adhering if the Pilot-in-Command determines that the snow or ice crystals will blow off during the take-off roll”. OPS 24-02
45
What do you do when you get Conflicting HOTDR and METAR Report?
If the HOTDR does not show the correct type of precipitation, the Flight Crew should disregard the HOTDR. If a holdover time is required for some other unreported condition such as active frost, the AC eHOT app should be used. Ops 24-02
46
If you get Frost on Indicator (FROIN) – METAR/SPECI but do not see any indication of Active Frost what should you do?
As a rule of thumb, if frost is on the aircraft and FROIN is indicated on the METAR/SPECI remarks, the aircraft is likely in active frost conditions. If no frost is present on the aircraft (regardless of a FROIN remark in the METAR or SPECI), the aircraft is not in active frost conditions, and no further flight crew actions are required. Ops 24-02
47
If you are unsure what the runway Condition Code is for a contaminated runway where can you look? (Eg frost, anything over ice)
FOM Appendix 4 16.1.2
48
When does wet ice become RwyCC 0?
>25% runway coverage
49
What conditions need to be met with respect to width for take-offs and landings on cleared runways? (3)
minimum of 50 feet (15m) on either side of centerline No Snowbanks, windrows, snowdrifts or wet ice contamination are present outside the cleared area and within 75 feet (23m) either side of centerline cleared width is offset from the centerline. FOM Apdx 4 16.1.2.5
50
In Canada can you use CRFI for landing performance?
No prohibited
51
Flight to YDF, Rwy has windrows at 130 ft, Dispach wants you to depart as airport is working on runway, what do you do?
Take-off shall be delayed until a new runway condition report is obtained and a re-assessment is conducted. FOM appendix 4 16.1.2.8
52
Are RwyCC used for take off and or Landing?
Only Landing NOT Take Off
53
ACARS is out and need numbers for TO what do you do?
ACAeronet/Myflight ops/Work/Flightbrief (Use FOM APDX 4 16.2.2.1 chart for contamination choice)
54
During active conditions (e.g., moderate snow) runway report often contains a report of 1/8” depth condition because the runway is measured just after it is treated. What should crews do to mitigate changing conditions or older reports?
During active conditions (e.g., moderate snow) the runway condition will start to degrade immediately after the runway has been treated, measured, and reported due to the accumulation of snow, slush, and/or water. The runway report often contains a report of 1/8” depth condition because the runway is measured just after it is treated. It can be expected that the condition will accumulate to greater than 1/8” by the time the runway is used for take-off. During active conditions, and the controlling condition is 1/8”, it is recommended that the flight crew downgrades the controlling condition by using a depth of 1/4” instead of 1/8”. (Use 1/4” WATER when taking off during moderate to heavy rain)
55
ATB - 078 Operations On Contaminated Runways advises braking technique, what is it? (3)
Firm touchdown. MAXIMUM REVERSE as soon as the main landing gear is on ground Maintain maximum reverse thrust and let the auto cutback reduce the thrust to REVERSE IDLE
56
What is the technique when there is a problem with directional control? (4)
Go to manual braking Take out of the REV Thrust Release braking Rudder to realign Then reverse/brake
57
What braking action should you use when RWYCC 3 and below?
Auto Brk Low (Max Reverse)
58
In order to use temp com in canada what has to happen? (4)
AP on Local Altimeter No WS +/- 15 EGPWS/TAWS
59
Outside of Canada and USA when do we temp comp?
At or below -15*
60
If Condition codes 5/5/5 not availabe what should you use?
Run 1/3 %
61
If no RwyCC is issued OR CC does not match contaminants what can you do?
Reference FOM Apdx 4 16.2.3.3. Chart
62
Fort Mack. Operations there is saying it’s 50% ice with an RCC of 3, is ice >25% RYCC 1 regardless of what the RCC is?
FOM 16.2.3.2 does address this. The condition code can be upgraded when the runway has been treated.
63
Do we have to temp comp all altitudes in a non radar environment
No

A220 (17 decks)

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