Transcript for 3 Killed After Plane, Helicopter Collide in Mid-Air
And turn now to a deadly midair collision. A small plane and helicopter crashing in Maryland, all three on the helicopter killed. But amazingly the passengers on the plane survived. David Kerley has the story. Reporter: The key was an aircraft pair a chute for those on the plane. Oh, god! Reporter: Panicked screams after a mid-air crash between this plane and this helicopter in Frederick, Maryland. Airplane down and helicopter down. Reporter: The plaeb plane, a small private jet was carrying two, flying from Tennessee into a small meows any Cal airport. Just before land, it collides with the helicopter which was doing exercises on the edge of the groubds. The chopper went down. Reporter: The helicopter falling between two storage units, all three on board killed. A helicopter wrecked that bad. Shocking. Reporter: But the plane is able to deploy an on board parachute, descending into the trees. One of the pilots is in the trees. Reporter: Both men survived, pulled and taken to a hospital. Minor injuries and released. The passenger, 75-year-old Gilbert porter told the "Washington post" said it was the parachute that saved his and the pilot's life. We were heading towards the ground at 60 miles per hour. I'm very lucky to be alive. This morning the national transportation safety board is investigating how they came together and collided mid-air on the border of that airport. They are. Amy is off today.
This transcript has been automatically generated and may not be 100% accurate.