Ice and Rain Protection Flashcards
When is cowl anti-ice required to be ON during ground operation?
OAT =/< 10 degrees C in visible moisture (fog with visibility 1sm or less, rain, snow, sleet, or ice crystals)
OAT =/< 10 degrees C on contaminated ramps, taxiways or runways
What is the source of heating for wing and cowl anti-ice?
6th or 10th stage bleed air
When is cowl anti-ice required to be ON during flight?
TAT =/< 10 degrees C in visible moisture (such as clouds, rain, snow, sleet, or ice crystals), except when SAT is =/< -40 degrees C, or when ICE is annuniciated
When is wing anti-ice required to be ON during ground operations?
OAT =/<5 degrees C on contaminated runways
If Type II, Type III, or Type IV deicing fluid has been applied, select wing anti-ice ON just prior to thrust increase for takeoff
When is wing anti-ice required to be ON during flight operations?
TAT =/< -40 degrees C, or when ICE is annuniciated
What is good ICE detector test indication?
ICE caution message, the ICE SWITCHLIGHT illuminated,
ADS HEAT TEST OK advisory message
What is the purpose of the Wing A/I cross-bleed switch?
To allow the bleed air from one engine to anti-ice the opposite wing
What occurs with the Windshield Heat on LOW.
All 4 panels are heated to 24 degrees C
What occurs with the Windshield Heat on HIGH?
Side windows are heated to 24 degrees C, and both windshields are heated to 41 degrees C