I used to have an FS9 application that displayed various key parameters about a flight - speed, power etc.It wasn't the Flight Test gauge from Mudpond but was a free-standing application that linked automatically to FS9 once that was started.Does anyone know if it is still available and if it works with FSX?

I've found it. It's AFSD from http://pagesperso-orange.fr/hsors/afsd.htmlThe latest version 3.52 with FSUIPC 4.42 works with FSX. It also, helpfully, picks up (some) errors in the aircraft.cfg file that FSX accepts!