It is hard to believe that it has been 20 years since that terrible day...
http://www.post-gazette.com/local/region/2014/09/07/USAir-Flight-427-20-years-later/stories/201409070272
http://www.post-gazette.com/local/region/2014/09/07/USAir-Flight-427-20-years-later/stories/201409070272