- TD and RA were straight up reverted.
- D2k was manually reverted with following changes:
-- Frigate staying VTOL.
-- Carryall staying CanSlide: true but CanHover: false.
-- bogus VTOL/CanHover flags on Ornithopter staying removed.
- TS was manually reverted to keep the behavior
improvements of the original FlightDynamics PR.