It should be connected to the pitot static line, not the cabin air. The cabin air pressure can fluctuate when opening the windows or opening the cabin air vent and give a false reading.
Lee Can anyone tell me if all 415C's run the altimeter on cabin air? tia. ____________________________________________________________ Mortgage Rates Hit 3.25% If you owe under $729k you probably qualify for Obama's Refi Program http://thirdpartyoffers.juno.com/TGL3131/4c78380eb19bb8a9b22st03duc
