Barometer

January 5, 2009 - 5:28am

Bombardier has selected Revue Thommen’s AD20 two-inch electronic standby altimeter as a retrofit option for the Challenger 601-3A/3R and 604. According to the Swiss avionics specialist, the AD20 is the first electronic standby altimeter designed to RTCA DO-178B standards with software level A required for installation on Part 25-certified jets.

 
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