I have the same one. Still useful for density altitude, TAS, and time distance calculations. I still use it after all these years. Not the wind chart though. Fuck that noise!

I did the same but in reverse!

Freeze dried Skittles

We’ve come full circle.

I just finished that the other day. That would be a great meme format

“…the sun will again turn and it will be darker. In about two months it will be colder and colder and colder. We will again be able to be happy people.” -Apetor