Speechless Two:
Fascinated to read:
Basically the collective system fractured with a hell of a bang at a height of 4000 ft. and it stabilised itself at a low rate of descent at best climb speed with a disconcerting floppy collective and was successfully ditched using only the cyclic.
...as I believe something very, very similar happened in the mid-80s to one of the Royal Oman Police Air Wing aircraft (also landed safely!). Does anyone have any further details?