communication

Hi all! I'd like to ask for help/advise. I've got my Solo few weeks back. First at the start it's flipped every time - I've changed motor. In the meantime I've uploaded Open Solo and use SidePilot as app. When tried to fly couldn't get compass calibration. I've done factory reset and then...

I've actually sent this question to the FAA, but I'm wondering if any of you have already asked and had this answered: I understand that I'm obliged to inform the airport operator and the tower of a model aircraft operation if I'm going to be operating within five miles of a towered airport...