Ice & Rain Protection Flashcards
(17 cards)
What is the effect of AC load shedding on the windscreen heating system?
The left windscreen fails to function
Where does the left windscreen heater get its power from?
No. 1 AC busbar.
Where are the windscreen heating switches located?
On the right-hand side of the overhead console
Where are the windscreen overheat test switches located?
Panel KJ (below right collective lever)
During windscreen heating normal operation at what temperature is AC power removed from the screen?
40 °C
What temperature range does the windscreen heating normal channel operate between?
30°c (power applied) to 40°c (power switched off)
What indications are observed when the right-hand windscreen overheat test switch is operated?
Warnings, Cautions and Advisories (WCA) [R/H SCRN HOT] caution and a FAIL caption on the right-hand heating switch are illuminated
What are the selectable switch position for the windscreen wipers?
Park, Off, Slow, Fast.
Where are the wash fluid tank filler adapter and cap located?
Top right-hand side of nose
What is the location of the windscreen wiper rotary selector switch?
Panel KG right side of interseat console
[Drag and drop] What is the location of the windscreen wash/wipe switch?
Collective lever switch box, right of jettison switch
With the windscreen rotary selector switch selected to PARK, how long will the wipers operate for, when WIPE is selected on washer control switch?
For the duration of switch press and return to PARK position
Which component in the pitot heater system detects failure?
Current sensing relay
What indication will be observed for a pitot heater 1 failure?
Amber [PITOT1 FAIL] caution on the Warnings, Cautions and Advisories (WCA)
What is the location of the pitot heater switches?
Overhead console, right hand side.
What is the location of the vernier passive ice accretion meter?
External surface of the right cockpit door.
How is accreted airframe ice measured?
Compare the build-up of ice on the lower Vernier passive ice Accretion Meter (VAM) arm compared to the graduated scale on the upper VAM arm ensuring the alignment lines are aligned
