Southlake Aviation has filed for Chapter 11 bankruptcy protection, The Wall Street Journal reports. The Texas-based company’s assets and liabilities were both valued at between $50 million and $100 million.

The company is backed by Texas millionaire, David Disiere, Recently, Congo authorities took in custody a Gulfstream jet that was registered to Southlake Aviation as part of a move to investigate whether its occupants were illegally smuggling gold out of the country.

Click here for the story from The Wall Street Journal.