KIRKSVILLE, MO. ? Dr. John Krogh lay on his back in a patch of prickly brush, blinded by the flaming fuselage above him and transfixed by the waning screams of those trapped inside.

He thought he was all alone.

“I didn’t know anybody else had survived,” said the 69-year-old from Wallsburgh, Utah. “I was sure that no one had.”

In fact, he and his 44-year-old assistant, Wendy Bonham, of Spanish Fork, Utah, were the only people to live through Tuesday night’s crash of a Corporate Airlines commuter plane, which went down in woods as it tried to land in Kirksville.

Two crew members and 11 passengers died. Federal investigators remained at the scene Thursday, but they have yet to offer any details about a possible cause of the accident.

The last communication from the 19-seat Jetstream 32, a twin-engine turboprop, indicated a normal flight with no problems as it approached the airport, according to the Federal Aviation Administration.

The plane’s pilot said he saw the “field in sight,” according to the cockpit voice recorder; 13 seconds later there was the sound of the impact. Three seconds later, the recording ends.

Krogh, a part-time faculty member at Provo College, talked about the crash in a lengthy telephone interview recorded Wednesday by Kirksville television station KTVO and shared with other media.

As the plane prepared to land, Krogh said he was talking with passengers, setting his watch and grabbing a mint. The landing gear was down and the plane seemed to be turning, preparing for its landing in this town of around 17,000.

Then Krogh felt something wrong — a mild bump at first, apparently the plane hitting treetops, then a series of jarring impacts.

“There was just a crashing sound,” Krogh told ABC’s “Good Morning America.” “I’m sure that was the wing hitting a tree. I just didn’t believe that it was happening. As we bounced along through the trees, people started screaming badly. Terrible screams.”

A fire broke out in the rear of the plane, filling the craft with blue-black smoke.

“I knew I had to get out of there,” Krogh said.

He realized his left hip was broken, so he crawled to an opening. It was then he discovered the plane was stuck in the trees, about 8 feet above the ground. Krogh flung himself out; the plane was in flames above.

Krogh dragged himself across the thorny bushes — tearing his skin — until he couldn’t anymore.

As Krogh lay on the ground, he saw a body tumble to the ground from the same aircraft doorway he had. It seemed to disappear among the flames. He later found out it was Bonham.

“I thought to myself, ‘I wonder if anybody even knows that we’re down,”‘ Krogh said.

Krogh said it seemed like an eternity before he started to hear sirens in the distance and then, finally, voices. “Confirmed sighting of aircraft,” he remembers hearing.