De-ice and Anti-ice Flashcards
Prop heat amps
18-24 amps
Types of de-ice fluids
Type one - red or orange
Type two - clear
Type three - yellow
Type four - green
How many Pilot controlled anti-ice/deice systems are there?
7
Windshield
Surface deice (boots)
Inertial separators
Pitot heat
Prop deice
Stall warning heat
Fuel vent heat
How is the stall warming vane heated?
The vane is heated through the battery switch, so it is heated when the battery switch is turned on.
A safety switch on the left landing gear limits the current to 12 volts to prevent overheating while the aircraft is on the ground.
How many non-Pilot controlled anti-ice systems are there?
a. Fuel system anti-ice through the oil-to-fuel heat exchanger in the fuel control unit.
b. The engine inlet lip
The outside of the windshield is treated with a static discharge film called a:
NESA coating
How many layers is the windshield?
Three physical layers, two glass on the outside with a polyvinyl sheet in the middle.
When can the windshield wipers be used?
On the ground or in flight ONLY on a wet surface.
How are the windshields heated?
On the low setting the entire windshield is heated between 90 to 110 degrees.
In high a more concentrated section of the windshield is heated between 90 to 110 degrees.
What does the ENG ICE FAIL annunciator indicate?
The system did not operate to the desired position. (About 35 seconds)
Immediate illumination indicates a loss of electrical power.
What torque value will cause the auto ignition be energized?
400 foot pounds
