"The industrial unrest in Ryanair across Europe and among pilots and cabin crew is, in my opinion, likely to continue for the foreseeable future," BALPA General Secretary Brian Strutton said in a statement.

The union also urged Ryanair shareholders to replace CEO Michael O’Leary and Chairman David Bonderman at the company's annual shareholder meeting on Thursday.

(Reporting by Graham Fahy; Editing by Kirsten Donovan)