787 SVT Ice Flashcards
Where is the engine anti-ice (EAI) annunciation displayed?
The engine anti-ice (EAI) annunciation is displayed above the EICAS N1 indication
The engine anti-ice (EAI) annunciation is displayed above the EICAS N1 indication
The affected engine anti-ice valve automatically closes.
With the window heat switches ON, when does window heat operate?
Window heat operates as soon as electrical power is established
When will the “ICING ENG” EICAS message be displayed?
The ICING ENG message will be displayed if ice is detected & one or both engine
anti-ice selectors are off.
Automatic Engine Anti-Ice is:
Inhibited on the ground.
The forward windows on the 787 utilize a hydrophobic coating for rain repellent
B. False
How are all of the flight deck windows heated?
All of the flight deck windows are heated electrically.
Which of the following statement(s) are true about the operation of the WAI and EAI
systems?
EAI may be manually selected for ground operation and WAI is inhibited on the
ground below 80kts..
When WAI is activated, what surfaces are anti-iced?
The four midwing leading edge slats on each wing
The four midwing leading edge slats on each wing
Momentarily for up to 30 seconds during high electrical load periods
EAI is required for ground operation when which of the following conditions are present?
EAI must be ON during all ground operations if icing conditions exist or are
anticipated.
When can engine anti-ice be operated manually?
On the ground or in flight.
Which windows are heated for anti-ice protection?
Forward windows only
An “OVERHEAT WING” EICAS message appears if ____.
A. A wing anti-ice pad overheat condition is detected.
The automatic ice detection system consists of ________.
Two ice detector probes
Engine anti-ice provides heat to what area(s)?
The engine cowl inlet and engine core.
What commands operation of the wing and engine anti-ice in the AUTO mode?
The automatic ice detection system
When are the pitot tubes heated?
D. Both A and B are correct.
A. In flight
B. On the ground with either engine operating
When is the TAT probe heated?
A. In flight only
ISFD air data may be unreliable in icing conditions with:
Loss of center pitot probe heat
If any wing anti-ice mat is inoperative, the opposite wing anti ice mat operation is inhibited.
A. True
Is automatic wing anti-ice available on the ground?
Yes, if speed is greater than 80 kts.
When is automatic ice detection available?
D. Both A and C are correct.
A. In flight.
C. On the ground above 75 kts.
All flight deck windows have a backup electrical power source
B. False
Pack inlet anti-ice:
D. All the above
A. is controlled by the automatic ice detection system
B. is inhibited on the ground
C. is inhibited when TAT is above 10 C.
When and how are the ice detection probes heated?
Electrically after engine start.
Which of the following statements is true concerning engine anti-ice?
D. A and B are correct.
A. Automatic engine anti-ice is inhibited on the ground.
B. Manual engine anti-ice operation is available both on the ground or in flight.
