On Wednesday, June 9, 2021 at 2:33:16 PM UTC-4, wrote:
How many flights were UNPAID as a instructor? An approximate guess will suffice.
R
OK, I give in. My question has been deleted as it has been perceived as a personal attack. My apologies.

I would bet Dr. Nguyen, as a man who saves lives, would be glad we are discussing his tragedy to improve safety, save lives.
R