This 'crash' occurred around the time Shoebomber Reid was apprehended. Some say Reid's shoes didn't have enough explosive to do any serious damage. Others contradict that.
Remember that George Steffonofologologmotgosotous (sp) mentioned the "TWA 800 bombing" as he narrated the news events the morning of 9-11-01.
Remember that Muhammad and Malvo were supposed to be two white men in a white van.
If the real truth of all terrorist acts were known, we would find more than we have been told. Unless the truth can't be 'contained', we won't know.
Remember OKC/Murrah wasn't foreign terrorists, no matter how many Middle Eastern men were associated with McVeigh and Nichols. Those two acted alone (per the government and the 'Washington' fax to the field office (possibly sent by one Jamie Gorelick) that said, regarding any foreign connection, "kill it."
Not every bad event is foreign terrorism. But officials are always too quick to sweep that under the rug, too. People just want the truth, good or bad, not the deceptions.
This is what about 200 grams of Semtex will do to a pressurized (9 PSI to simulate 30000 Ft) 747. 200 grams is about 7 ounces.