The incident happened in Old Bar, Australia, a coastal village about 200 miles north of Sydney.
The ultra-light plane slammed into the Ferris wheel, trapping a 13-year-old girl and her 9-year-old brother on the ride.
The pilot and his passenger were stuck inside the mangled aircraft.
"When I turned around, there was just this big plane right behind me. Oh, I was so scared and Jesse was screaming," said Amber Arndell.
"Just went to take off, do a go around. I didn't even see the Ferris wheel there, nose up and straight into it. The next thing I knew, I was stopped inside the Ferris wheel," described the pilot, Paul Cox.
Rescuers used a crane to get everyone down. The kids were out in about 90 minutes.
It took nearly three hours to get the pilot and passenger out of the wrecked plane.
