For those who are using Garmin Pilot and have a 1975 F model, I took the time to download all of the POH performance specifications into my version of Garmin Pilot. It was a painful process considering the amount of data that needed to be manually loaded. If you are interested in this, let me know and I will do the "share" in Garmin Pilot so you can upload it. BTW - I did notice some peculiar things entering the data, like slightly slower speeds at higher power settings. I suspect they may been typos.