"A Lieberman" wrote in message
...
Tom Sixkiller wrote:

At what point can one start recording _Flight Time_? Engine start? First
master switch?

I could'nt find anything in the FARS for "when" to start counting, but I
am under the impression from my experiences, that anytime the prop is
turning is the time you count.


That's about what I've always used; from engine startup.