https://www.flyer.co.uk/new-600kg-microlight-class-is-now-law/?
https://publicapps.caa.co.uk/modalapplication.aspx?appid=11&mode=detail&id=10796
https://publicapps.caa.co.uk/docs/33/CAP2163_450-600kg_Microlights_Reasons_Why_Aug%202021.pdf
Reforming the microlight aeroplane category
Implementation and key decisions
CAP 2163