Boeing Co. agreed to sell its flight navigation unit and other digital assets to Thoma Bravo for $10.6 billion in cash, the first major portfolio transaction under Chief Executive Officer Kelly Ortberg as he seeks to shore up the planemaker’s finances.

Boeing has agreed to sell portions of its Digital Aviation Solutions business to Thoma Bravo in a deal worth $10.55 billion.

Boeing ( NYSE: BA) announced Tuesday it reached a definitive agreement to sell significant portions of its Digital Aviation Solutions business to private equity firm Thoma Bravo for $10.55 billion in cash. The transaction includes high-profile aviation technology assets such as Jeppesen, ForeFlight, AerData and OzRunways.