| Display Selector |
| Wing and Engine Anti - Ice Panel |
WING ANTI–ICE Switch
OFF – Wing anti–ice control valves are closed.
ON (in the air) –
Note: Stick shaker logic remains set for icing conditions for the
remainder of the flight regardless of subsequent WING ANTI–ICE
switch position.
ON (on the ground) –
OFF – Wing anti–ice control valves are closed.
ON (in the air) –
- Wing anti–ice control valves are open.
- Stick shaker logic is set for icing conditions.
Note: Stick shaker logic remains set for icing conditions for the
remainder of the flight regardless of subsequent WING ANTI–ICE
switch position.
ON (on the ground) –
- Wing anti–ice control valves open if the thrust on both
engines is below takeoff warning setting and the
temperature inside both distribution ducts is below thermal
switch activation temperature
- Control valves close if either engine thrust is above takeoff
warning setting or the thermal switch is activated in either
distribution duct. Switch remains ON
- Switch trips OFF at lift–off.
