Not sure if this data includes accelerometer reports, but airplanes actually play an important role in collecting data used for weather forecast models: https://wmo.int/news/media-centre/covid-19-impacts-observing...

Edit: Turns out this already includes turbulence data, and this is streamed real-time! https://community.wmo.int/en/activity-areas/aircraft-based-o...

> France is doing it every 4 minutes for their planes

What are they doing exactly? Are you referring to the article?