Correction Section

0
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 center (35 percent increase in takeoff distance and a 25 percent reduction in climb rate).
In the December 2023 issue, the figure on page 5 is not a Koch chart, but rather a chart for computing pressure altitude. A Koch chart normally has a pressure altitude scale on the right and temper…
To continue reading this article or issue you must be a paid subscriber. Sign in

Subscribe to Aviation Safety

Start a subscription to Aviation Safety for just $18. And access all of our online content - over 5,000 articles - free of charge.
Subscribe today and save 39%. It's like getting 2 months FREE!
Already Subscribed?
Click Here to Sign In | Forgot your password? | Activate Web Access

LEAVE A REPLY

Please enter your comment!
Please enter your name here