Shirl wrote:

I just wanted to emphasize that our
competency levels fluctuate and may not be the same three months in the
future as they are today. I know no one here needs to be told that.
Shirl

Actually, your competence level can fluctuate from flight to flight,
even within a specific flight.
This is a subject of much concern in the air show community, and carries
over as well to all pilots.
--
Dudley Henriques