Africa is large continent, and once we have enough country signed up, we will integrate with solar panel and let them drift a bit longer

The facts point to the opposite direction. There has not been a single crash incident due to a weather balloon

To begin with there are not so many planes in Africa and they have fixed flights paths. Also the engines of 747 has been design to handle objects bigger than our payloads. Besides, weather balloons are launched every day around the world. there has not been a single crash incident . If it helps you sleep better, we can easily get the status of airborne planes in Africa before each launch.