Wreckage from a jet is seen at the Apple Valley Airport in San Bernardino County, about 100 kilometers northeast of Los Angeles, on Sunday. U.S. authorities said the small jet crashed and burned around 2 p.m. Sunday, killing both people on board. The Federal Aviation Administration said the plane had just taken off when it crashed and caught fire. The jet, identified as an L-39, is a two-seat, high-performance jet trainer aircraft developed in Czechoslovakia.SD-Agencies