https://www.youtube.com/watch?v=KIo-d58CIpM
Hmmm - certainly not the slickest role demo......interesting to know what they were actually trying to achieve - normally you would winch a simulated casualty out of the RIB.
A fine demonstration of downwash vs winching height though
It looks like the aircraft was formating on the RIB which is not the practical way (nor the RNLI SOP I believe) and certainly not as easy as having the RIB formate on the winchhook/winchman at head height.
Apparently it's all about training