Quick question for Delta 757/767 guys

[PreContact]

Depends on which engine, we have the procedure at UPS as well.

 

[pianoman]

777 at CAL with GE 90-94's also has this procedure.

 

[Ernest T. Bass]

FWIW, Citations also do this. We, however, usually don't have to worry about blasting anyone (who should be out flying during icing, anyway).