Google says the altimeter on an A320 airbus is a good old fashioned dial.
A dial? What's driving the dial? Computer controlled, or a mechanical Bourdon tube to the outside world?
106 posted on 03/25/2015 7:43:22 AM PDT by null and void
(He who kills a tyrant (i.e. an usurper) to free his country is praised and rewarded ~ Thomas Aquinas)