Cold weather ops

Question 1

METAR 2015/01/12 15:20 EKBI 121520Z 34004KT 260V030 4000 -SHSN FEW008 OVC 025 -4/-5 Q0997

Type IV 100%

What is the HOT?

Answer 1

0h 55min - 1h 50min

Question 2

It is recommended to have the ground power
connected at least ________ min. prior to APU start, to charge and heat the battery to increase its capacity.

Answer 2

15 min

Question 3

The abbreviation LOUT is …..

Answer 3

The Lowest Operational Use Temperature, or LOUT, is the lowest temperature at which a de-/anti-icing fluid
will adequately flow off aircraft critical surfaces and maintain the required anti-icing freezing point buffer
which is 7°C (13°F) below outside air temperature (OAT) for SAE Type II, Type III, and Type IV fluids and 10°C
(18°F) below (OAT) for SAE Type I fluids.

Star Air Manual 9.2.2

Question 4

Type 4 fluid is allowed to be applied unheated?

Answer 4

True

Question 5

The holdover time begins at what point?

Answer 5

With the commencement of the final application of the de-icing/anti-icing fluid

Question 6

Which type of fluid provides the longest hold over time?

Answer 6

Type 4

Question 7

The Boeing 767 is allowed to takeoff, with a light coating of frost up to 3mm in thickness, on the lower wing surface due to cold fuel is allowable?

Answer 7

True

Question 8

Temperature correction must be applied below ____ degree C AD temperature

Answer 8

0 degree C

4% per 10 degrees C below ISA

Question 9

Types of precipitation not approved for T/O

Answer 9

GR - Hail
PL - Ice pellets
FZRA - Heavy freezing rain
+SN - Heavy Snow

Question 10

Pre takeoff Contamination Inspection is allowed?

Answer 10

False, due to poor visibility of critical surfaces.

Question 11

Can Type 3 fluid be used for 767?

Answer 11

No.

Type 3 fluid is commonly used for air craft with lower rotation speeds.

Question 12

To determine the actual snowfall intensity, we use the table in ___________

Answer 12

Star Air manual 19.2.1.3