Ice detection Flashcards
How much ice does a probe detect
0.5mm
What does ICE DETECTED in flashing yellow on the ED mean?
Stall protection system is required to be activated for icing conditions
what pressure does de-ice system operate at
18psi
what interval is slow and fast re deicing
3MIN
1 MIN
What PSI triggers DEICE PRESS
<15PSI
What powers Prop de-icers and intake flanges?
115VAC variable frequency bus
What conditions are needed for the prop de-icers to work?
5 deg TAT max
PROP switch on
Np > 400RPM
What RPM is best for shedding ice?
1020RPM
What system heats the Pitot static system
L & R 115VAC C phase busses
What system heats standby Pitot static system
28VDC R Essential bus
What powers AoA sensor heating
L & R 115VAC B phase busses. Directly connected through TMU
What can illumination of The PUSHER SYS FAIL / STALL SYS FAIL master cautions mean?
Could mean AoA heater failure
A window overhead condition does what
Shuts off power to respective window heater