True, cold and in cloud or precip.

BTW, TKS systems make the plane and floor slippery, don't
fall and break a leg.




"B A R R Y" wrote in message
et...
| Mxsmanic wrote:
| From what I understand, icing protection should be
turned on if the
| outside temperature is 5° C or less. However, what is
the reason for
| not having it on all the time?
|
| Some ice protection equipment uses a fluid that is of
limited quantity
| on-board, not to mention that it costs money. Other ice
protection
| devices can put a drain on a smaller aircraft's power.
Turbine drivers
| might chime in with their reasons, I don't know them.
|
| Ice protection isn't always needed when it's cold, you
also need
| moisture to create ice.