"Peter R." wrote:

Assuming we're talking about KUDD, 73' elevation, 40 deg C temp,
altimeter 29.79, I come up with pressure altitude of 190' and density
alt of 3050.

Hmmm, I keep arriving at a DA about 1200 feet higher. Cross checking this
with several DA calculator websites confirms about 4,200 ft or so.

Nevermind, I see the discrepancy. The OP was asking about 120 degrees F,
which is about 49 degrees C. That was the temp I was using.

--
Peter
























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