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#1
April 29th 07, 11:36 PM
posted to rec.aviation.piloting,rec.aviation.student
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Sporty's E6B density altitude disparity
On 29 Apr 2007 20:43:21 GMT, Bob Moore wrote:
My reading of the chart shows about 1800' density altitude. I noticed that too... I took the problem out of the Jeppesen Private Pilot Manual and they came to the 2000' conclusion that I was using. 1800' would make my Sporty's the most accurate. *grumble* But, that doesn't explain why none of the electronic calculators agree with the 1000' pressure altitude on the chart. -- Dallas 
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#2
April 30th 07, 12:53 AM
posted to rec.aviation.piloting
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Sporty's E6B density altitude disparity
On Sun, 29 Apr 2007 22:36:55 GMT, Dallas
wrote: But, that doesn't explain why none of the electronic calculators agree with the 1000' pressure altitude on the chart. Since moisture content of the air has a significant effect on the calculation and I have never seen a specification for relative humidity as part of the "standard day" it would seem that everyone is free to pick their own value which would cause different results.
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