Winter Ops

Question 0

Is frost permitted on the fuselage for TO?

Answer 0

Yes, a light coating of​ frost on top of the fuselage

Question 1

Is frost permitted on the wing for TO?

Answer 1

Up to 3mm on undersurface of wing due to fuel cold soaking

Question 2

Is TO permitted in freezing rain?

Answer 2

Only light freezing rain

Question 3

How much of a runway must be covered to be considered contaminated?

Answer 3

25%

Question 4

What is the additional burn due to A/I being on?

Answer 4

1-6%

Question 5

If one de-icing truck is used for de-icing, what must be recorded in the tech log?

Answer 5

Which wing was treated first

Question 6

How should the eng intakes be de-iced?

Answer 6

Manually or using hot air

Question 7

What is the min runway width?

Answer 7

45m - narrow rwys not permitted

Question 8

What is the change to the TO brief on a contaminated rwy?

Answer 8

Do not stop for minor deficiencies

Question 9

What is the screen height from a contaminated rwy on dep?

Answer 9

15 ft

Question 10

With ice accretion what is the min speed when clean?

Answer 10

VLS + factor dependent on where ice is present

Question 11

How does eng A/I affect taxi speed?

Answer 11

Can increase taxi speed and ground idle rpm is increased

Question 12

Can you taxi on one eng with slippery or contaminated surfaces?

Answer 12

No

Question 13

When must the ground ice shedding procedure be applied?

Answer 13

When taxiing in icing conditions below +1°C

Question 14

Where are the procedures for preparing the a/c for cold soak and draining the water?

Answer 14

In FCOM PRO SUP

Question 16

What needs to be logged if exposed to freezing fog.

Answer 16

Times - requirement from RR for Eng blades

Question 17

What must be done to the accel alt if the OAT is lower than the lowest figure on the RTOW table?

Answer 17

Add a factor. In the FCOM

Question 18

Below what temp is ground power required for an APU start?

Answer 18

-15ºC

Question 19

What fluid has very limited anti-ice characteristics?

Answer 19

Type I

Question 20

What must be done to the holdover time if flaps/slats are extended prior to taxi?

Answer 20

Reduce to 76% of HOT from table

Question 21

Can the engines be on during a de/anti-ice?

Answer 21

Yes but only at idle

Question 22

What check should be completed after a de/anti ice application?

Answer 22

A flight control check

Question 23

If flaps are not going to be extended, are the after engine start checks still conducted?

Answer 23

Yes

Question 24

When is the mandatory to conduct a PCI?

Answer 24

If the holdover time has elapsed or if heavy snow is experienced.

Question 25

How much Jet A will contaminate a tank mixed with JET A1?

Answer 25

Above 10% will be considered Jet A

Question 26

What is the definition of icing conditions on the ground?

Answer 26

OAT or TAT less than +10ºC
Vis moisture such as cloud or fog with less than 1nm vis.
Standing water, rain or snow

Question 27

What might the radalt do on contaminated surfaces?

Answer 27

Give false indications

Question 28

What is the max speed for the windscreen wipers?

Answer 28

230kt

Question 29

Who should conduct landings on contaminated runways?

Answer 29

Captain

Question 30

If there is ice accumulation on the wings, what should not be done after landing?

Answer 30

Flaps should not be retracted.

Question 31

In a cold weather app with FPA what glide angle will be required?

Answer 31

Greater than normal

Question 32

What is the definition of severe ice accretion?

Answer 32

Airframe icing reaches 5mm or more