Irish flag-carrier Aer Lingus' deputy chief executive, Niall Walsh, is stepping down from his post effective immediately.
Walsh has been a long-term figure at the airline, with a career spanning 16 years. He also served as chief operating officer.
His decision to leave the company - to "pursue other interests", says the carrier - comes just six weeks after the resignation of the struggling company's chief financial officer.
Aer Lingus is to start searching for a new chief operating officer but is ditching the deputy chief executive post.
In the interim period chief executive Christoph Mueller will take on the necessary responsibilities, and will be assisted by chief engineer Fergus Wilson.