Ethan Guo, 19, had been documenting his attempt to fly solo to all seven continents on social media. He is no longer in custody but has no easy way to leave an island off Antarctica’s coast.
The plane, a Cessna 208B, went off the end of a runway as it was taking off from a small airport in Gloucester County, according to the F.A.A. Victims were being treated at the scene, officials said.
Airlines and governments around the world have tightened restrictions on the devices after a series of accidents. The ban in China has caught some travelers off guard.