Originally Posted by
Craving Spirit
Hello.
I am investigating a Bell-412 helicopter crash. I need to know that what is the ideal air speed of Bell-412 helicopter which should be maintained once resorting to single engine configuration ?
That will depend on the gross weight of the helicopter at the time, and the density altitude (among other factors). Do you know those values?
Do you have access to a Bell-412 operator's manual/flight manual? The resulting airspeed is typically available in a chart if those values are known.