flight plan

I recently attempted to make use of AirMap, an app which makes checking airspace easy and creating flight plans even easier. They provide a list of Yuneec airframes as part of the flight plan creation but have not included the H520 as of yet. I have contacted them and ask them to include it...

Has anyone else had issues filing a flight plan? So far, the airport towers that I've tried to communicate with never respond (approve/deny/acknowledge receipt) when I try to file a flight plan. When flying near a hospital, they're much more responsive. I just call security for the helipad and...