Probes / Window Heat Panel

Question 1

PROBES / WINDOW HEAT PANEL

Q:​ On the​ ground,​ with the​ PROBE/WINDOW HEAT​ pushbutton in​ AUTO,​ when are the​ probe​ and mast ​heaters​ activated? ​

Answer 1

Ref: (FOM VOL. III-DSC-30-40-10,​ FOM​ VOL.​ III-DSC-30-50-10,​ FOM VOL.​ III-DSC-32-10-30)​ ​

• LOW with at​ least one engine​ running (except the TAT​ probe​ –​ not​ heated on​ ground)​ ​
• NORMAL​ is automatically set after​ takeoff

Question 2

PROBES / WINDOW HEAT PANEL

Q:​ What does​ the​ PROBE/WINDOW HEAT​ pushbutton do?​ ​

Answer 2

Ref: (FOM VOL. III-DSC-30-50-20)​ ​

Manually activates the​ probe,​ and window​ heaters