Understand how heat and elevation redefine your airplane's limits before you head into the mountains this summer. The post ...

The article highlights a common misconception where high density altitude (DA) is mistakenly interpreted as an automatic "no-go" condition for flights, when it actually means reduced aircraft ...

Has density altitude affected your flight plans recently? Do you plan for it when you create those summertime flight plans? I ask because as I write this column Seattle is under a heat advisory.

A real Koch chart is reproduced above. To use it, draw a straight line between the temperature (85 degrees F) on the left and the pressure altitude (1000 feet) on the right. Read the results from the ...