regarding the autopilot on the 300, if you are using the Saitek autopilot hardware, the Phenom 300 AP works fine with the exception of the IAS. I found that setting cruise altitude and vertical speed work perfectly. Easy to set up ILS using the APR. No issues. The Phenom 100 did allow setting the IAS, which is why I find it strange that it cannot be done in the 300. I will not however, install the Navigraph. Such was not the case with the Hawker which is junk.