If an Aircraft Has Not Taken Off Before Its HOT

If an aircraft has not taken off before its HOT elapses, it must

A) Inspect the plane for any contaminants before taking off
B) Return to the apron for another de-icing
C) Consult the de-icing agents to determine whether the aircraft's wings are clean enough for takeoff
D) Wait 1 hour before returning to the apron for another de-icing
E) Take off immediately