PROBE/WINDOW HEAT Panel

Question 1

Which exterior aircraft components utilize electrical heating?

Answer 1

o Cockpit windshields and sliding side windows
o AOA, TAT, pitot probes, and static ports.
o Waste water drain masts

Question 2

What does the PROBE/WINDOW HEAT logic in AUTO (lights

out)?

Answer 2

o When the PROBE/WINDOW HEAT pb is placed in the auto
(lights out) position, the probes and windows are heated
automatically on the ground provided one engine is
running or when the aircraft is in flight.
o NOTE: TAT not heated on the ground.