airport as emergency teams quickly converged on the scene. >> 19 people onboard, possibly 21 people onboard. there are multiple people off the plane >> reporter: amazingly, everyone escaped. 3 crew members and 18 passengers the youngest, a 10-year-old child. two people suffered minor injuries >> they were stunned they were very, very stunned but they did all self-extricate we can't tell you how they did that. >> reporter: authorities say the plane, and md-87 registered to a local investment firm, was thought to be headed to boston for the playoff game between the astros and red sox, but the plane never got off the ground >> the airplane rolled down the runway, struck an actual fence, and from there became disabled. >> reporter: the plane involved, 34 years old. no u.s. airline still flies the md-80 series of planes. the cause of today's crash unknown, but what investigators find could be crucial to the few foreign airlines that still