I have seen other Post's about locating Yuneec APK's, and came across this site APKPure.com
They have Yuneec APK's Listed, this may Help others searching for them...
Not interesting, the site is not up to date.
Update Pilot H520 current version 1.6.7 dated 01/17/2020
him 1.5.06 of 04/29/2019
Datapilot current version 1.6.57 from 01/30/2020
him 1.5.0.18 of 05/01/2019.