Cold Weather Operations Flashcards
Definition of Icing Conditions in flight:
- The _____ indicates less than or equal to ___ degrees Celsius
- _________ is encountered
TAT
10 degrees C
Visible Moisture
Icing conditions no longer exist when the in-flight SAT is less than or equal to ______ degrees C.
-40 Degrees Celsius
What is a cold soaked aircraft?
Aircraft has been parked in -30 degrees C or colder for more than 8 hours
Cold Weather Preflight Inspection:
(SOPM CH 4)
When must a Cold Weather Preflight Inspection be done?
- OAT is less than or equal to 5 degrees C
- Atmospheric conditions conducive to icing exist
- AC has remained overnight and may have been subject to contamination
- A through flight and residual ice from the inbound leg may have accumulated
- Wing fuel temperature is at or below 0 degrees C
Cold Weather-Taxi (SOPM CH 4)
When should the COWL ANTI-ICE be turned on during Taxi?
- 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
Cold Weather-Taxi (SOPM CH 4)
When should the Wing Anti-Ice be turned on when on Taxi on the CRJ 200?
- OAT less than or equal to 5 degrees C, with or without visible moisture, and
- 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
Cold Weather-Takeoff (SOPM CH 4)
When should the cowl anti-ice go on for Takeoff?
- 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
Cold Weather-Takeoff ( SOPM CH 4)
When should the WING and COWL ANTI-ICE be turned on for takeoff?
- 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
When Type II or IV ________ fluids have been applied, the _______ anti-ice system must be selected ______ just prior to takeoff.
Anti-icing
Wing
ON
When should the COWL ANTI-ICE be turned on in flight? Wings?
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
ANTI-ICE Equipment Operation-In Flight (SOPM CH 4)
When should the WING ANTI-ICE be turned on in flight?
- ICE is annunciation by the ice detection system, or
2. Flying in ICING CONDITIONS and the airspeed is LESS than 230 KIAS
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
Ground/Takeoff
10 degrees C
Visible Moisture