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OPS-A HONG KONG EXPRESS > COLD, HOT WX OPS AND CONTAMINATED RWY > Flashcards

COLD, HOT WX OPS AND CONTAMINATED RWY Flashcards

1
Q

What is the fuel freezing point for Jet A and Jet A1?

A

JET A is -40
JET A1 is -47

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2
Q

How is a non-recoverable stall indicated on descent due to icing?

A

High EGT with idle thrust

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3
Q

What should be a consideration when taxing in to the gate after landing with lots of water and slush present?

A

Delay flap retraction as jackscrews are sensitive to icing

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4
Q

What can be done to reduce brake/wheel temperatures in hot conditions?

A

Extend gear a bit earlier if doing multiple sectors for extra cooling.
Reduce brake applications during taxi

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5
Q

How will the altimeter react on an ILS in very hot conditions?

A

When on the glideslope at the OM the altimeter may read lower than the published check altitude

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6
Q

Define what a “Contaminated Runway” is?

A

A runway with 25% of the runway surface area covered by water, slush or snow deeper than 3mm

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7
Q

Define what a “Wet Runway” is?

A

Sufficient water to make surface reflective and the depth is less then 3mm

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8
Q

How is braking action categorized?

A

Dry, Code 6, Mu >50
Good, Code 5, Mu 40 & above, Co-eff 95
Good to Medium, Code 4, Mu 39-36, Co-eff 94
Medium, Code 3, Mu 35-30, Co-eff 93
Medium to Poor, Code 2, Mu 29-26, Co-eff 92
Poor, Code 1, Mu 25-21, Co-eff 91

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9
Q

What does RCAM stand for?

A

“Runway Condition Assessment Matrix”

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10
Q

With loss of electrical power, in which position do the wing anti ice valves fail?

A

Engines: OPEN

Wings: CLSD

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11
Q

Which slats are heated by hot air from the pneumatic system?

A

Slats 3-4-5

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12
Q

With engine anti-ice ON, is your descent affected?

A

Yes, because idle thrust is increased

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13
Q

Can you use the APU bleed for wing anti-ice?

A

No

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14
Q

What happens if you turn the wing anti-ice switch on, on the ground?

A

The wing anti-icing valves will open for a 30 second test

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15
Q

From which compressor stage is bleed air extracted for Engine Anti ice?

A

HP section

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16
Q

Are TAT probes heated on the ground?

A

No

17
Q

Are the pitot probes heated on the ground?

A

Yes, but at a lower level compared to when airborne

18
Q

When will pitot probes be heated automatically?

A

Once 1 engine is started

19
Q

What types of de-icing fluid is being used by HK Express?

A

Type I, II and IV

20
Q

What is the color of the different types of de-icing fluid being used by HK Express?

A

OCE
Orange (Type I)
Clear (Type II)
Emerald Green (Type IV)

21
Q

What does RCAM stand for?

A

“Runway Condition Assessment Matrix”

22
Q

Can you use a derated take off on contaminated runways?

A

Yes

23
Q

Can you use FLEX on contaminated runways?

A

No

24
Q

What is the maximum taxi speed on contaminated runways?

A

10 kts

25
Q

What reverser setting is to be used on contaminated runways?

A

Max reverse

26
Q

Can we use Idle Reverse Thrust on Wet or Contaminated runways?

A

Not recommended by Airbus

27
Q

What is the requirement to be met if you want to use Idle Reverse on a wet or contaminated runway?

A

The LDA have to exceed the unfactored LD without reverse for braking action Medium-Poor

FCTM PR-NP-SOP-160

28
Q

What happens to the descent path with ANTI ICE ON, and how can we compensate for that to maintain our desired path?

A

It reduces the descent path angle
We can increase speed to compensate

29
Q

Define “Icing Conditions” when on the ground

A

OAT/SAT 10 deg C or below with visible moisture

30
Q

Define “Visible moisture” when it come to determine if we have icing condition or not

A

Visible moisture with visibility of 1600 m or less
Taxiways etc have snow, standing water or slush

31
Q

Define “Icing Conditions” when in the air?

A

When TAT is 10 deg or below with visible moisture

32
Q

What is the definition of “Severe Ice Accretion”?

A

5 mm ice layer

33
Q

When should rain repellant be used?

A

Only for Moderate to Heavy rain

34
Q

What AUTOBRAKE setting is to be used on contaminated runways?

A

MEDIUM

35
Q

Can RVR be used when determining visibility for holdover times for de-icing?

A

No

36
Q

What is the highest value of Dry Snow that FS+ can use for calculations?

A

100mm

37
Q

What is the highest value of Standing water that FS+ can use for calculations?

A

13mm

38
Q

Does de-icing fluids used on ground have any protection once we are airborne?

A

No

39
Q

By how much, laterally, shall we avoid TS in the terminal area?

A

By min 3 mn

OPS-A HONG KONG EXPRESS (51 decks)

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