The interview is competency-based with a technical layer, and it decides borderline candidates. Preparation here is cheap and pays immediately.
What to expect
Competency questions: teamwork, dealing with pressure, handling mistakes and conflict — answered best with short, true stories in a situation-action-result shape.
Technical questions: pitched to your experience level, from principles-of-flight basics for cadets to type and operations knowledge for rated pilots.
Airline knowledge: Ryanair's fleet, bases and operating model — an easy differentiator that a surprising number of candidates skip.
How to prepare
Write out six to eight real experiences you can bend to most competency questions and rehearse them aloud until they are compact. Refresh your technical fundamentals honestly at your own level; interviewers probe until they find the edge of your knowledge, and bluffing ends interviews faster than not knowing. Finally, know why Ryanair specifically: a concrete, informed answer to that question sets the tone for everything that follows.