Authorities identified the victims as 61-year-old Douglas Johnson and a 58-year-old passenger, Lee Cemensky, of Las Vegas, Nevada.

Both died at the scene of the crash Sunday in some woods northwest of Emily.

Johnson operated the business Fly the Swan. It’s website said a ride on the amphibious ultralight gives a customer a bird’s eye view of the lakes and land and the experience of touching down on the water.

The Federal Aviation Administration said the 2010 Cygnet aircraft crashed under “unknown circumstances’ while attempting to land.

The sheriff’s office was called shortly before 7 p.m. and notified the aircraft had taken off but had failed to reach its destination. Emergency responders located the crash scene about 8:30 p.m.