On Thu, 03 Aug 2006 07:12:44 -0700, xyzzy wrote:

I've had good luck when that happens calling up ATC and telling them that
I'd like to open a flight plan that was filed with tail number x but I
need change the tail number to y and open it.

I've had last-minute plane switches too, and it never occurred to me to do
as you've done.

Thanks for mentioning it.

- Andrew