Ryanair claims the VAAC's forecasting is not only unreliable but "substantially fictitious".
"It would appear that there is one model for air safety for all other UK airports, but when it threatens the opening of Gatwick and Heathrow, these [forecasts] are simply ignored," it adds.
"Today's decision to re-open Gatwick and Heathrow airports, despite the fact that this imaginary black cloud or 'no-fly' zone is hovering right over Heathrow and Gatwick, proves that the [VAAC charting] no longer retains any credibility or confidence within the airline industry."
Ryanair demands more lenient ash-protection rules
Ryanair noticed it. Either the danger or the precaution is fiction....