https://www.revolution.aero/news/2023/01/03/zeroavia-to-begin-test-flights-this-month-726/
ZeroAvia to begin test flights this month | Revolution.aero
ZeroAvia is to begin flight testing this month after the UK CAA granted it a Part 21 permit to fly. The start-up, which operates a Dornier 228 aircraft...
begin testthis monthzeroaviaflightsrevolution
https://www.space.com/virgin-galactic-third-spaceshiptwo-space-plane-progress.html
Virgin Galactic's Next Space Plane Should Begin Test Flights in 2020 | Space
Aug 22, 2019 - Virgin Galactic will soon have two space planes plying the sky, if all goes according to plan.
virgin galacticspace planebegin testnextflights