Avionics Report

November 2007 Issue

Large Format Monitors: Promising Technology

Dancing orange bars are over; we’ve moved on to color and large screens. EI and Xerion look intriguing, but there may be too few in the field to judge them.

If your older airplane is like ours, its powerplant and electrical system gauges resemble what was left behind on the factory floor when GM built its last 1937 Buick. Until recently, though, if we wanted to upgrade our factory instrumentation from what Beech or Cessna decided was adequate, we were stuck figuring out how to install round or square gauges from companies like UMA and Mitchell into rectangular holes. Those gauges are excellent products, but feature few bells or whistles. And few aftermarket engine monitors are equipped or approved for the primary—read "only"—display of information like oil pressure or how much fuel remains in the left tank.

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