Anti-Ice and Rain Flashcards
What does the EICAS Caution alert message >ICING (N570-577) indicate?
Ice has built up on the Ice detector probe and the probe is being automatically heated to melt the ice
How many iced detector probes are installed on N578UP-583UP
Two
When are the pitot static probes heated?
When any engine is operating
How is a window heat controller fault reset?
Pushing a WINDOW HEAT switch OFF for 10 seconds, then ON
What effect does the wing Anti-ice system have with leading edge flaps extended
It is ineffective
When are the AOA probes heated
When any engine is operating
When are the TAT probes heated
Inflight
When Nacelle Antiice is ON, what indication will you have on the primary EICAS display?
NAI will be displayed next to the respective N1
If a nacelle or wing antiice system is ON and the TAT is greater than 12C how will the crew be alerted?
EICAS advisory
What flight deck windows are provided antifogging protection?
All flight deck windows
When are the flight deck side windows heated?
Electric power is applied to the side windows whenever AC is powered
What does the EICAS message >ICE DETECTORS indicate?
Ice detection system is failed
When retracted, wing antiicing is provided to?
Mid and outbd LE flaps
What considerations must be observed on the ground if equipped with the automatic Nacelle Antiice System (N578-583)
The automatic feature is functional only in flight. The switches must be positioned to ON during ground operations if icing conditions are present.
What does the EICAS caution alert message >ICING NAC (N578-583) indicate?
The nacelle antiice system attempted to activate automatically, and either the switches are OFF or the antiice valve has failed to open when commanded.
what considerations must be observed on the ground with the wing antiice system
Wing antiice valves are inhibited from opening on the ground regardless of switch position
What does EICAS advisory alrt message >ANTIICE (N570-577) indicate?
TAT is more than 12C, icing conditions do not exist, and Wing or Nacelle antiice switch is selected ON
What probes are not heated on the ground?
TAT
How are the cockpit forward windows heated?
By pressing the window heat switches ON
How are the cockpit side windows heated?
Automatically with AC power applied
Which windows are provided both antiice and antifog protection
Forward flight deck windows only
