Originally Posted by
Uplinker
As an aside, I was involved (as a passenger) with professional helicopter firms for television for a few years a while back, and I only once witnessed the pilot climb up and have a really good look at the main rotor hub and all its ball joints and tie rods etc. before starting up. And on this one occasion, the CAA were in attendance !!
I don't know any more context but it depends if it's the first flight of the day or not. On some types there's no detailed inspection of the rotor head required between flights (turnaround/inter-flight checks), only before the first flight of the day (daily check).