Garmin-GPS Series 400/500 Simulators

Garmin has two very cool simulators you can download to learn and practice using their 400 and 500 series GPS's.
You can find them in the Downloads section -> Click Here

I have also added several useful templates that you might find useful.

Flight Plan Template
Weather Report Template
Wieght & Balance Template

You can find them in the Downloads section -> HERE

Texas State Aviation

Garmin-GPS Series 400/500 Simulators