Why do airplanes with bleed air anti-icing of the wing leading edge have an anti-ice overheat light(s)?
a) To indicate when the wing leading edge is overheated due to excessive use of anti-icing systems.
b) To signal when the anti-icing system is not functioning properly.
c) To alert when the bleed air pressure is too low for effective anti-icing.
d) There is no such indication for bleed air anti-icing systems.