Originally Posted by
Cyclic Hotline
Main rotor blade Vs tail boom. Could be cause or effect of something else. I recall an EC135 crash in Arizona in 2010 that severed it's own tail boom - in that case it was a rapid drop in collective (child stepped on it) followed by extreme recovery by pilot (full up collective and full aft cyclic). Perhaps in this case an overzealous auto entry by the student was corrected by the instructor - seems a bit extreme? The EC135 has a rigid rotor head and managed the feat so seems possible on the Bell 429 but would a Bell IP react like that?