Cold Weather Operations Flashcards

1
Q

Definition of Icing Conditions in flight:

  • The _____ indicates less than or equal to ___ degrees Celsius
  • _________ is encountered
A

TAT
10 degrees C
Visible Moisture

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2
Q

Icing conditions no longer exist when the in-flight SAT is less than or equal to ______ degrees C.

A

-40 Degrees Celsius

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3
Q

What is a cold soaked aircraft?

A

Aircraft has been parked in -30 degrees C or colder for more than 8 hours

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4
Q

Cold Weather Preflight Inspection:
(SOPM CH 4)

When must a Cold Weather Preflight Inspection be done?

A
  1. OAT is less than or equal to 5 degrees C
  2. Atmospheric conditions conducive to icing exist
  3. AC has remained overnight and may have been subject to contamination
  4. A through flight and residual ice from the inbound leg may have accumulated
  5. Wing fuel temperature is at or below 0 degrees C
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5
Q

Cold Weather-Taxi (SOPM CH 4)

When should the COWL ANTI-ICE be turned on during Taxi?

A
  1. OAT less than or equal to 10 degrees C, AND
    -Visible moisture is present
    -Visibility less than or equal to 1 mile, OR
    -When operating on surfaces where ice, snow, standing water or slush is present:
    ANTI-ICE COWL…………ON
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6
Q

Cold Weather-Taxi (SOPM CH 4)

When should the Wing Anti-Ice be turned on when on Taxi on the CRJ 200?

A
  1. OAT less than or equal to 5 degrees C, with or without visible moisture, and
  2. The aircraft has not been anti-iced with Type II or IV fluid:
    • After second engine start and at least TWO minutes prior to takeoff

ANTI-ICE WING……..NORM
Check:
~ED-2: WING A/ICE ON advisory message displayed prior to takeoff

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7
Q

Cold Weather-Takeoff (SOPM CH 4)

When should the cowl anti-ice go on for Takeoff?

A
  1. OAT is less than or equal to 10 degrees C:
    • Visible moisture (Visibility less than or equal to 1 SM or any precipitation); or
    • The runway is contaminated

ANTI-ICE - COWL LH/RH………ON
Check:
-ED-2: COWL A / I ON advisory message displayed prior to takeoff

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8
Q

Cold Weather-Takeoff ( SOPM CH 4)

When should the WING and COWL ANTI-ICE be turned on for takeoff?

A
  1. OAT less than or equal to 5 degrees C:
    • Visible moisture in any form ( visibility less than or equal to 1 SM or any precipitation) ceiling less than 400ft AGL reported; or
    • RW is wet or contaminated

ANTI-ICE -WING……………ON
ANTI-ICE -COWL LH/RH…….ON
Check:
-ED-2: WING A / ICE ON advisory message displayed prior to T/O

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9
Q

When Type II or IV ________ fluids have been applied, the _______ anti-ice system must be selected ______ just prior to takeoff.

A

Anti-icing
Wing
ON

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10
Q

When should the COWL ANTI-ICE be turned on in flight? Wings?

A

Cowl: Less than or equal to 10 DEG C and visible moisture present

Wing: Below 230 kts AND Less than or equal to 10 DEG C and visible moisture present OR ICE caution illuminates

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11
Q

ANTI-ICE Equipment Operation-In Flight (SOPM CH 4)

When should the WING ANTI-ICE be turned on in flight?

A
  1. ICE is annunciation by the ice detection system, or

2. Flying in ICING CONDITIONS and the airspeed is LESS than 230 KIAS

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12
Q

Definition of Icing Conditions on ground and for takeoff:
On _____ and for _______ when:
-The OAT is less than or equal to ___ degrees C, and
-__________, or
-Operating on contaminated ramps, taxiways, or runways

A

Ground/Takeoff
10 degrees C
Visible Moisture

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