ANTI ICE Panel Flashcards
When do you use engine anti-ice?
o When OAT (Ground) / TAT (Flight) 10° C or below with visible moisture present.
o Prior to and during descent in icing conditions (including temperatures below –40° C SAT)
What is the exception to the above rule?
o During climb and cruise when the temperature is below –40° C SAT
What does a FAULT light in the ENG ANTI ICE pb indicate?
o Switch/anti-ice valve disagreement
With ENG ANTI ICE ON what indications will you see on the pb?
o Blue ENG ANTI ICE light ON
Can you use the wing anti-ice on the ground?
o No
What happens if you turn the switch on the ground?
o The wing anti-icing valves will open for a 30 second test.
What part of the wing is heated?
o Outboard 3 slats.
Can you use the APU bleed for wing anti-ice?
o No
What does the amber FAULT light in the WING ANTI ICE pb indicate?
o Position of the anti-icing control valve is not in the required position.
o Low pressure is detected.
In what position do the Wing and Engine Anti-Ice valves fail if electrical power is lost?
o Wing – valves CLOSE.
o Engine – valves OPEN
