Winter Ops

Question 1

On a contaminated runway what would your thoughts be with regards to thrust and flap setting?

Answer 1

Must take TOGA

Consider using Flaps 2/3 to get off the ground earlier

Question 2

When landing on a contaminated runway what are the considerations?

Answer 2

Flaps full
Use the autobrake
No planned tailwinds
Firm touchdown
No autoland

Question 3

Around what temperature are you most likely to get a frozen T, what would you do about it?

Answer 3

-10 to +3

Tactical inspection, local spot de-icing on both wings.

Question 4

On a holdover time table, each column has two times associated to it; which one should you use?

Answer 4

It depends on the intensity of the precipitation.

For light intensity use the bigger number, moderate use the smaller number.

Question 5

How do you determine the intensity of snowfall in order to know which time to use on a holdover time table?

Answer 5

Snowfall Intensities as a Function of Prevailing Visibility

Cold weather quick reference 3.3

Question 6

Which areas are an exception to the clean aircraft concept?

Answer 6

3mm of frost on the underside of the wing

Thin hoarfrost on the radome, fuselage and engine nacelle.

Question 7

Does a HOT apply to local spot deicing ?

Answer 7

No

Question 8

What info should be given to you after deicing/anti icing?

Answer 8

Type
Mixture ratio
Start time
“Post Application Check Complete”

Question 9

Can you take off after the holdover time expires?

Answer 9

Yes, provided you have checkd the critical surfaces. Walk down to the overwing.

Question 10

What is the difference between a damp and wet runway?

Answer 10

Wet runway is shiny when wet.

Question 11

When using the RCAM table to work out braking performance and crosswind limit, which piece of information taken from weather reports/snowtams should be used as the primary source to go into the table with:
A) Contaminent type and depth
B) Estimated Surface Friction (ESF)
C) Pilot Reports of Braking Action (PiRep of BA)

Answer 11

A)

The other two can be used just as secondary info

Question 12

What is th aquaplaning formula?

Answer 12

9X(tyre pressure/specific gravity of contaminant)^2

I think SG of water is 1, tyre pressure is usually 210 (320neo).
=130kts we will aquaplane

Question 13

Where would you find the Runway Condition Assesment Matrix RCAM?

Answer 13

QRH - IN FLT PERF