Ice and Rain Protection System Flashcards
The thermal anti-icing system provides bleed air for deicing the _______ the _________ _________, and the engine ______ anti-icing.
wings
Horizontal Stabilizer
Lip
In __________ mode, the system is turned on through activation of any ice ______. The system can also be activated manually by selecting the __________ knob.
automatic
detector
override
The ice protection system provides automatic heating of #1 and #2 ______ , #3 _________ tube, pressurization system and ADS static ports, #1 and #2 _____ sensors and #1 and #2 ______ vanes.
pitot
pitot static
TAT
AOA
Ice accumulation is readily visible on the corners of the _________ and wiper arm if installed.
Windshields
The operation of the thermal anti-icing system sending __________ pressure to the wings, horizontal stabilizer and engine inlet is indicated by _______ inscriptions on the anti-ice pushbuttons located on the ___________ panel.
14th stage air
open
overhead
Thermal anti-icing cannot be provided by ____ bleed air due to the fact that it is not hot enough.
APU
The anti-ice bleed air for the horizontal stabilizer is provided by the ______ side of the bleed manifold during normal operations.
left
When performing the ice protection test on the ground, N2 must be set to at least ______ , the _______ bleeds open, the APU bleed closed and the ________ knob set to the ______ position.
83% N2
engine
APU
override
All
The ice protection test has to be performed for at least _____ but no longer than ____ seconds
10
15
The normal EICAS messages presented during the ice protection test are:
____________ ___________
____________ ___________
____________
ICE DET 1(2) FAIL BLEED 1(2) LOW TEMP CLEAR ICE DET FAIL 1(2) (Position 1 Only) CLEAR ICE 1(2) (Position 1 Only) ICE CONDITION & CROSSBLEED OPEN
Ice on the ground is defined as ________ moisture with an outside air temperature of _____ºC or colder
Visible
10
Engine lip anti-icing is provided through a tapping located upstream of the ___________ valve, and is selected by moving the override knob to the _____ position
high stage
ENG
The _________ are electrically heated for anti-icing and anti fogging purposes
Windshields
All electrically heated sensors except for the TATs are heated when one _________ is running above 56.4% N2. The TAT probes are heated in _______ or __________
Engine
icing conditions
When airborne
Horizontal Stabilizer and wing anti-icing systems are automatically inhibited when the aircraft is on the ground and wheel speed is below _____ knots
25
The engine FADEC provides an automatic logic to ensure a minimum ______ rpm during _____ conditions especially during low thrust settings
idle
icing
The ______ _______ uses an ultrasonically vibrating probe to detect the presence of ice conditions
Ice detector
When the ice detectors detect ice, the _________ advisory messages is presented on teh EICAS, the set values for the angle of attack are __________ and the _________ anti-icing is activated.
ICE CONDITION
Increased
Thermal
The windshield wipers have a _______ speed and _______ speed setting and operate in _______________ when both are selected to the same setting.
Low
High
synchronization
The configuration of the aircraft when holding in icing conditions is gear _____, flaps ____ and minimum airspeed of _______ knots.
up
up
200
The TAT probes are heated:
A) on the ground with the override knob in the “AUTO” position
B) In Flight
C) On the ground with the override know in “ENG” or “ALL”
B) In Flight
After detection of ice by the ice detectors, the icing signal remains active for ______ seconds.
60
In an electrical emergency, the only electrically heated sensors are _________ 3 and _________ port 2
Pitot static
static
If the “Clear Ice 1(2)” light illuminates, the pilot must __________ before flight.
Check the wing surface
The “ICE TEST A” must be performed when ___________, the “B” check should be performed _______________
taking off in ice conditions
prior to flying in icing conditions
