Anti-Ice and Rain Flashcards
What does the EICAS Caution 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 Anti-ice 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 anti-ice system is ON and the TAT is greater than 12C how will the crew be alerted?
EICAS advisory
What flight deck windows are provided anti-fogging 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 leading edges are retracted, wing anti-icing is provided to?
Mid and outbd LE flaps
What considerations must be observed on the ground if equipped with the automatic Nacelle Anti-ice 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 anti-ice system attempted to activate automatically, and
- either the switches are OFF
or - the anti-ice valve has failed to open when commanded.
What considerations must be observed on the ground with the wing anti-ice system?
Wing anti-ice valves are inhibited from opening on the ground regardless of switch position.
What does EICAS advisory message
>ANTI ICE
(N570-577) indicate?
- TAT is more than 12C,
- icing conditions do not exist, and
- Wing or Nacelle anti-ice 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 anti-ice and anti-Fog protection?
Forward flight deck windows only
What does the EICAS Caution alert message “>ICING” (N570-N577) indicate?
Ice has built up on the Ice Detector Probe and the Probe is being automatically heated to melt the ice
How many ice detector probes are installed on N578UP - N583UP?
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?
Wing Anti-ice is ineffective with leading edge flaps extended.
When are the angle of attack probes heated?
When any engine is operating
When are the total air temperature probes heated?
In flight
When Nacelle Anti-ice is selected ON, what indications will you have on the primary EICAS display?
NAI will be displayed next to the respective N1 indication in green.
If a nacelle or wing anti-ice system is ON and the TAT is greater than 12°C, how will the crew be alerted?
EICAS advisory message
When is Wing Anti-ice ineffective?
When leading edge flaps are not retracted.
What flight deck windows are provided anti-fogging protection?
All flight deck windows have this protection
When are the flight deck side windows heated?
Electric power is applied to the side windows whenever the AC electrical system is powered
What does the EICAS message “>ICE DETECTORS” indicate?
Ice detection system is failed
When retracted, Wing Anti-icing is provided to:
Mid and Outboard Leading Edge Flaps
What considerations must be observed on the ground if equipped with the automatic Nacelle Anti-ice System (N578-N583)?
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-N583) indicate?
The Nacelle Anti-ice system attempted to activate automatically, and either the Nacelle Anti-ice Switches are OFF, or the Nacelle Anti-ice Valve failed to open when commanded
What considerations must be observed on the ground with the Wing Anti-ice system?
Wing Anti-ice Valves are inhibited from opening on the ground regardless of
switch position.
What does the EICAS Advisory alert message “>ANTI-ICE” (N570-N577) indicate?
TAT is more than 12C, icing conditions do not exist, and Wing or Nacelle Anti-Ice Switch is selected ON
What probes are not heated on the ground?
TAT Probes
How are the Cockpit Forward Windows heated?
By pressing the Window Heat Switches ON
How are the Cockpit Side Windows heated?
Automatically when AC electrical power is established
Which windows are provided with anti-ice and anti-fog protection?
Forward flight deck windows only
