Beechcraft B1900D Propeller de-ice testing by the engineers

Some say De-Ice, some say Anti-Ice, which ever the way you say it, it’s extremely important to have it working!

[@samspade8612]

It would be good to explain what you are doing.

[@upperairworkdownunder]

@@samspade8612 By spinning the propellers, you can generate the electricity required to heat the de-ice boots on the propellers.