A quick demonstration on how to convert KMZ files that contain overlay images that are not supported in the Hot Air app to KMZ files that use place marks and polygons to define all of the prohibited zones (PZ). These converted KMZ files are much smaller and render well within the app.

Download Google Earth Pro (Desktop) for free: https://www.google.com/earth/desktop/

Hot Air App (For Hot Air Balloon Pilots): https://itunes.apple.com/us/app/hot-a...