Anti-Ice Flashcards
EAI (Taxi Out)
OAT ≤10° with:
- visible moisture (including fog w/ visibility ≤1 mi)
- contaminated surface
WAI (Taxi Out)
- OAT ≤5℃ when A/C hasn’t been treated w/ type II or IV liquid. (200)
When does WAI need to be turned on if the temperature is ≤5℃ and it’s clear and a million?
At least 2 min prior to T/O. Must see green advisory message Wing A/ice On.
EAI (T/O)
OAT ≤10℃ with:
- visible moisture (including fog w/ vis ≤1 mi)
- contaminated runway
EWAI (T/O)
OAT ≤5℃ with:
- visible moisture
- CLOUDS <400’ AGL (200)
- runway is wet (200) or contaminated
EAI (in flight)
- icing conditions
- ICE annunciated
WAI (in flight)
- ICE annunciated
- flying in icing conditions <230 kt
WAI (descent)
- icing conditions ≥230 (CRJ 200)
- ICE Annunciated
- icing conditions <230
WAI (approach) (CRJ 200)
- prior to extending flaps when TAT ≤10℃ (CRJ 200)
When may WAI be selected off on final approach? (CRJ 200)
- fully configured to land
- ICE not annunciated
- not in icing conditions
When is the “Bleed Misconfig” message allowed?
- APU bleed source not available
- ICE not annunciated
- not in icing conditions
What is required if in icing conditions or ICE annunciated and the APU is inop?
Unpressurized landing procedure in QRH Vol 1.
EAI (taxi in)
OAT ≤10℃ and:
- visible moisture and visibility ≤1 mi
- contaminated surface
WAI (taxi in)
N/A
The Cold Wx Preflight Inspection Must be Performed when:
- OAT is ≤5℃ or
- Wing Fuel Temp is ≤0℃ or
- Atmospheric conditions conducive to icing exist or
- A/C has remained overnight and may have frozen contaminants due to exposure to frost or precip or
- Through flight with residual ice accumulated
- Cold soak is suspected in fuel tank area
Icing Conditions on the Ground
OAT ≤ 10℃ and visible moisture and/or contaminated surface
Icing Conditions in Flight
TAT ≤10℃ and visible moisture, except when SAT≤-40℃.
