Intrepid explorer Ethan Guo hopes to raise a million dollars to donate to cancer research. His plans hit an obstacle in Chile.

Ethan Guo, a 19-year-old aviator from Memphis, was detained and charged with submitting a false flight plan before traversing towards the South Pole on June 28, the Magallanes and Chilean Antarctic Prosecutor’s Office. Guo is aiming to raise $1 million for cancer research with his high-flying campaign across the globe.

A 19-year-old pilot from the United States has been detained on an Antarctic island and charged by Chilean authorities, who say his flight to the frozen continent was unauthorized.