Anti-Ice and Rain Flashcards
What does WINDOW HEAT OVERHEAT (amber) light illuminated mean?
Overheat or electric power interruption turned power OFF to respective window
The Rain Removal System for the flight deck windows consists of a permanent rain repellant coating and _____.
windshield wipers on the front windows (L1 & R1)
Positioning ENG ANTI-ICE switches ON in flight _____ ( 3 things).
- Sets stall warning logic for icing conditions
- Uses Engine Bleed air regardless of Engine Bleed Valve position
- allows engine bleed air to flow through Cowl Anti-Ice Valve for cowl lip anti-icing
The COWL ANTI-ICE (amber) light illuminates means:
Excessive pressure in the duct
Both Engine Anti-ice switches are selected ON. The Left COWL VALVE OPEN light is illuminated bright blue and the Right COWL VALVE OPEN light is illuminated dim blue.
The left cowl valve is in transit or stuck closed and the right is open.
Both Engine Anti-ice switches are selected OFF. The Left COWL VALVE OPEN light is illuminates bright blue and the Right COWL VALVE OPEN light is extinguished.
the left cowl valve is in transit or stuck open and the right cowl valve is closed.
A TAI (amber) indication to the left of a N1 display on the Upper Display Unit indicates _____.
the Cowl anti-ice valve failed to move to the position selected by the ENG ANTI-ICE switch, or is in transit
The Wing Anti-Ice System does not provide protection for _____ (3 things)
- the leading edge flaps
- the outboard leading edge slat on each wing
- the trailing edge flaps.
The Wing Anti-Ice is selected OFF. The L VALVE OPEN light is illuminated bright blue and the R VALVE OPEN light is extinguished.
the left anti-ice control valve is in transit or stuck open and the right anti-ice control valve is closed.
The Wing Anti-Ice is selected ON. The L VALVE OPEN light is illuminated dim blue and the R VALVE OPEN light is illuminated bright blue.
the left anti-ice control valve is open and the right anti-ice control valve is in transit or stuck closed.
Both Wing Anti-Ice Control Valves close during ground operations when _____. ( 3 things)
- positioning the WING ANTI-ICE switch OFF
- either engine thrust lever is above the takeoff warning setting
- either temperature sensor senses a duct over temperature
Positioning the WING ANTI-ICE switch to ON in flight sets stall warning logic for icing conditions _____.
for the remainder of the flight.
the PROBE HEAT provides electrical heating for _____.
the Alpha Vane Sensors
the Total Air Temperature Probe
the Standby Pitot Probe
