( CNN ) -- Three people were killed Thursday when a small plane burst into flames after going off the end of a runway at the airport in Sedona , Arizona , a police spokesman told CNN . A spokesman for the Sedona Fire Department confirmed the deaths but said he could not identify the victims , CNN affiliate KPHO reported . The plane was registered to Pat Porter , a two-time Olympian and an eight-time U.S. cross country champion . He finished 15th in the 10,000 meters at the 1984 Olympics in Los Angeles and also raced the event in 1988 in Seoul , South Korea . His wife , Trish , was also an Olympian in 1988 . The couple lives in Albuquerque , New Mexico . Ron Wheeler , a spokesman for the Sedona Police department , told CNN the plane struck a fence after going off a runway . KPHO reported that a witness said the plane , a twin-engine Beech 60 , was trying to take off . The National Transportation Safety Board is investigating the crash , KPHO reported . Researcher : New air traffic control system is hackable . Boy , 11 , hops plane to Rome without ticket or passport . Bill heading to White House gives pilots increased ability to fight FAA . CNN 's Calandra Corder contributed to this report .
Plane burst into flames , police officials says . Witness tells CNN affiliate the small plane was trying to take off . Plane registered to a two-time Olympian .