It's after plans to reduce the airline seat capacity next summer were confirmed.
Ryanair has called on the Ministers for Transport and Tourism to resign.
The call comes as the aviation regulator confirms it plans to limit airline seat capacity at Dublin Airport to 25.2 million passengers next summer - around 1 million less than the same period this year.
Ryanair’s CEO, Mullingar's Michael O’Leary, has described the move as illegal, and says he'll be challenging it in the courts - adding that both Ministers Eamon Ryan and Catherine Martin are "failures":
But Green Party leader Roderic O’Gorman says it’s just another attack by the Ryanair boss: