Regal Jets LLC, a Dallas-based subsidiary of JetDirect Aviation, has filed for chapter 11 bankruptcy protection. It listed assets in the range of $10 million to $50 million, and liabilities in the range of $100 million to $500 million. JetDirect shareholders include CD Ventures, Argosy Capital, ABS Capital Partners, Brantley Partners, HSBC and AIG. The company recently agreed to sell many of its assets to a consortium led by Brantley Partners. www.jetdirectaviation.com