October 2007 Issue
Synthetic Vision: VistaNav Rule
Mercuryís VistaNav stands alone as the only workable, gyro-based turnkey option. But MountainScope has useful features at lower cost.
The glass panel revolution hasnít happened yet. The big leap is to synthetic vision, where blue over orange is replaced with a topographic terrain in 3D perspective and navigation is by some kind of highway-in-the-sky (HITS) guidance. The only company to make this leap in a certified system so far is Chelton. For the 99 percent of us who canít invest $100,000 in a full-panel overhaul, however, there are some portable options for under $5000.
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