helimutt.
1 & 2 - Yes, Me, inside controlled airspace close to a heliport. An MOR was filed.
3 - no
4 - Yes. The event above plus two other occasions which I did not consider to be a significant risk or a violation.
5 - Yes - more times than I can recall
6 - Yes - At least 5, none of which caused damage to the helicopter.
OH