PRIOR TO MAINTENANCE TEST FLIGHT (CONT)
TAS temperature probe - Check by
feel for heat and condition.
Right wing heated fuel vent - Check
by feel for heat and condition.
STAFF WARN heat switch - Off.
PITOT heat switches (2) - Off.
FUEL VENT heat switches (2) - Off.
Extend the ice vanes during ground operation to
minimize foreign object damage (FOD) to the engine.
ICE VANE CONTROL switches - ON.
Lighting systems - Check. Include
beacons, emergency lights, and interior
lights, then off.
Place the EMERGENCY lights override switch in the
TEST position and check the emergency lights (5)
for illumination and intensity. A dim light indicates a
weak battery pack which may not allow lights to turn
off. At the completion of the check, cycle the switch
from the TEST position to the OFF/RESET position
and then to AUTO.
HYD FLUID SENSOR TEST switch -
Check as follows: