Ice And Rain Flashcards
What causes pitot static annunciator to illuminate?
If the switch is off or any failed component.
Visible moisture and a r.a.t. of ___ is considered iciing conditions?
+10*C
What are two causes of a windshield o’heat light?
Over temp or over press.
With a total dc failure windshield heat is available automatically……True or false?
True.
What is happening with the windshield overheat when the rotary test is performed properly?
A overheat situation is being simulated.
Why is there a windshield alcohol system and how long would it last.
It is a back-up to the windshield heat system that lasts ten minutes.
What happens to n2 idle with wing/eng or eng anti ice on when the gear comes down?….Why?
Idle n2 with eng ant-ice on drops from 70% to 65% when the gear comes down to maintain a proper landing distance.
How are the tt2 heaters turned on.
They are heated with the wing/eng or eng heat selected on.
What would cause the wing anti-ice light to illuminate?
An undertemp of 110C or a bleed leak in excess of104C.
List all systems heated and/or turned on with both wing/eng switchs selected on.
Wings,engine inlets,generator inlets,pylon air inlets,tt2 probe are heated and ignitions are turned on.
What if anything is lost in regard to windshield heat if there is a dc power failure?
Overtemp sensor and the ability to use low temp are lost (defaults to high).
Will the wing anti-ice heat shut off automatically if a overheat is detected on the ground?
Yes, but damage may have already been done.
What is the wing heat limitation on the ground?
One for a max. Of one minute after wing heat lights extinguish.
Is it ok to cycle the boots if coming from a temp. colder than -35C the instant you enter warmer than -35C air?
No, some time should be allowed to let the boots warm up.
How long is a boot inflated for and what is the total cycle time in auto?
Tail boots are inflated individually for six seconds and the total cycle time of the system is three minutes start to finish.
