Following this summers cancellation of RIAT, they have today announced that MOD Boscombe Down will now be the new, permanent home of RIAT with the first taking place next Summer
https://www.airtattoo.com/news/riat-to-relocate-to-mod-boscombe-down-for-riat27-and-beyond/#riat-to-relocate-to-mod-boscombe-down-for-riat27-and-beyond/