ADS-B used for enforcement. Interesting letter---

[Country Flier]

I found this online (it is not my letter). I think a certain superintendent needs a lesson on what "Advisory Circular" means:

upload_2021-5-15_8-14-7.png

 

[PeterNSteinmetz]

You don't even have to do that. There is a special chart for the Grand Canyon that gives it to you right on the chart.

https://skyvector.com/?ll=36.12743737823338,-113.03655746104536&chart=230&zoom=8

https://skyvector.com/?ll=36.14634015534961,-112.80464320103405&chart=231&zoom=8

Now even updated regularly!