Winter Ops

Question 1

METAR decode BC

Answer 1

Patches

Question 2

METAR decode DR

Answer 2

Low drifting

Question 3

METAR decode GS

Answer 3

Small hail or snow pellets

Question 4

METAR

P2000U

Answer 4

RVR more than 2000m upward tendency over past 10min

Question 5

METAR

M0050D

Answer 5

RVR less than 50m downward tendency over past 10 min

Question 6

METAR VV//

Answer 6

Vertical visibility not measurable

Question 7

METAR

TEMPO means?

Answer 7

Temporary fluctuations

Last for a period of less than 1 hour and cover less than half of the time period specified.

Question 8

METAR VA

Answer 8

Volcanic ash

Question 9

METAR decode MI

Answer 9

Shallow

Question 10

What frost or icing is permitted on the airframe?

Answer 10

Coating of frost up to 3mm on lower wing surface in cold soaked area.
Thin hoar frost on the fuselage, radomes and engine cowl is acceptable.
(WIH)

Question 11

Where is the information on preparing the aircraft for cold soak?

Answer 11

FCOM PRO SUP 91-30

Question 12

When should engine anti ice be taken into account for take off performance calculations?

Answer 12

When its use is planned at or below one engine out acceleration altitude.
OmB Perf

Question 13

When is engine a.ice required?

Answer 13

Temperature 10 degrees or below and visible moisture or standing water.
Anytime in climb and cruise with moisture and temp between 10 and -40 and descent anytime with moisture.

Question 14

Can the aircraft autoland on runway which has been cleared but the width is still less than 45 meters?

Answer 14

During periods of heavy snowfall, runways wider than 45 m may be cleared only to a width of less than 45 m symmetrically from the runway centreline. In such conditions these runways do not need to be considered as narrow runway unless limited by snowbanks. The Captain should assess conditions and determine the general suitability of continuing operations.

WIH

Question 15

Which slats have anti-ice?

Answer 15

Slats 3-5

FCOM

Question 16

Antiskid is deactivated below what speed?

Answer 16

20kts

Question 17

On slippery taxiways what might you need to use instead of nose wheel steering?

Answer 17

Differential braking and/or thrust

Question 18

Will the decel light always come on on a contaminated runway?

Answer 18

No. This doesn’t mean that the autobrake is not working.

Question 19

If there is a problem with directional control after landing on a contaminated runway runway what can you do?

Answer 19

Reverse thrust set to idle and brakes released, re-find the centreline and then re-apply.

Question 20

Define active frost

Answer 20

Active frost occurs when the aircraft surface temperature is at or below 0 degrees and at or below dew point.

OM A 8.2.4.2