Flight Gear 2.0.0 on my iMac OS X 10.5.8 (1.8 GHz PowerPC G%, 768 MB DDR SDRAM).
When I try to launch the program it gets to the point where it is "Initializing Subsystems" then crashes every time. I installed RubyCocoa files just to be safe but still no-go.
I've spent a lot of time online for any info but I'm getting nowhere (i'd rather be flying). Tried unplugging all devices and turned Blue Tooth off (sigh).
I had same problem with v 2.0.0 so i trashed it and installed v 1.9.1 (previous version) and works perfect on my macbook