24. 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 is the PROBE/WINDOW HEAT logic in AUTO (lights out)?

Answer 2

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.

NOTE: TAT probes are not heated on the ground.