just off the coast of nova scotia killing all 229 people on board. investigators traced the fire back to the plane s entertainment system and flammable mylar insulation. following that crash, the faa ordered all mylar replaced with fire-resistant material. we have called for a review of in-flight firefighting standards in the industry. reporter: in 1985, we saw a huge improvement in technology to protect us from high winds after delta flight 191 crashed at dallas-ft. worth international airport. it was landing during a thunderstorm. 137 people died. after much research by nasa and the faa, forward-looking radar wind sheer detectors became the standard.aer detectors became te standar standard. the crash of twa flight 800 just after takeoff from jfk airport in 1996 was another hard lesson. up in the air and then we saw two fireballs go down to the water.