This unit is made by Airshow www.airshowinc.com a division of Rockwell Collins Inc. I agree the conversion to meters is overly accurate, it could be rounded to the nearest 10 or 100 meters. These displays are programmed by the engineers to display different things in different languages. I think it's the software in the unit that makes the conversion overly accurate. The altitude is not converted to feet because that's what is picked up from the Air Data Computer that displays data to the pilots. The display in the cockpit can display meters at the push of a button, but it's to the nearest 100 meters.

Mike Payne
Potomac Falls VA 20165
----- Original Message ----- From: "Pierre Abbat" <[EMAIL PROTECTED]>
To: "U.S. Metric Association" <[email protected]>
Sent: Wednesday, 01 March, 2006 14:43
Subject: [USMA:36172] Altitude display in intercontinental flights


On the flight to and from Brazil, there's a display that shows the speed,
outside temperature, altitude, and time and maps at various scales. The
altitude is converted to feet, rounded to the nearest 1000, and converted to
meters without rounding, which gives a false sense of precision. (At one
point it was showing 9144 m for several minutes.) I wrote to Continental, but received no response (nor did I get one to my message about orange juice - on one of the flights, but not the others, it was fake). Should I rather write
to Boeing?

phma


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