a source telling cnn the pilot of the says in a citation was on observed unresponsive and slumped over in his seat. the ntsb is now on site in central virginia going through what is left of the wreckage with another source saying investigators are now most interested in hypoxia, lack of oxygen, as a possible cause of the crash. the twin engine jet went hundreds of miles off course including passing into restricted air space. investigators say highly fragmented wreckage in mountainous terrain. the engines, weather conditions, pilot qualifications, maintenance records, all aspects will be items that we routinely look at. reporter: the flight path show as takeoff from tennessee. and the plane turns but doesn t land. instead it keeps flying at 34,000 feet right into highly restrictive air space near washington, d.c. the capital briefly placed on elevated alert and air national guard pilots scrambled to intercept. causing a sonic boom heard around the beltway. but norad says pilots got
crash of that private jet in virginia that prompted an emergency fighter jet response, a source telling cnn the pilot of the says in a citation was on observed unresponsive and slumped over in his seat. the ntsb is now on site in central virginia going through what is left of the wreckage with another source saying investigators are now most interested in hypoxia, oxygen, as a possible cause of the crash. the twin engine jet went hundreds of miles off course including passing into restricted air space. investigators say highly fragmented wreckage in mountainous terrain. the engines, weather conditions, pilot qualifications, maintenance records, all aspects will be items that we routinely look at. reporter: the flight path show as takeoff from tennessee. and the plane turns but doesn t land. instead it keeps flying at 34,000 feet right into highly restrictive air space near washington, d.c.
crashed in virginia after flying hundreds of miles past its destination, but the reasons remain unclear for the mystery flight that passed right over the d.c. area and prompted fighter jets to scramble. investigators describe highly fragmented wreckage in very mountainous terrain. the airplane, the engines, the weather conditions, pilot qualifications, the maintenance records, all aspects will be, of course, items that we routinely look at. reporter: the flight path shows a takeoff from tennessee. at its destination on new york s long island, the plane turns but doesn t land. instead, it keeps flying at 34,000 feet, right into highly restrictive air space near washington, d.c. the capitol briefly placed on an elevated alert and air national guard pilots scrambled to intercept. causing a sonic boom heard around the beltway. but noraad says the pilots got no response to fly-bys, flares or radio calls. national guard fighter on guard. if you hear this transmission,
conditions, pilot qualifications, the maintenance records, all aspects will be of course items that we routinely look at. reporter: the flight path shows a takeoff from tennessee at its destination on new york s long island, the plane turns but doesn t land. instead it keeps flying at 34,000 feet right into highly restrictive air space near washington d.c. the capitol briefly placed on an elevated alert. and pilots scrambled to intercept. causing a sonic boom heard around the beltway. but norad says the pilots got no response to fly-bys, flares or radio calls. authorities say the plane was not shot down, but if it appeared to be a threat they do have the ability to shoot down a civilian aircraft if that is required. reporter: the plane was tracked until it crashed into the mountains of central virginia.
have. the pilots did the opposite. if they would have had the training that is implemented right now, they wouldn t you know, everybody would be alive today. reporter: this is the major victory for the families group, including putting a limit on flight time for pilots, mandating pilot qualifications, and now specialized training. i never could have imagined on day one we could have accomplished what we have. we ve had legislation passed by the united states congress that we initiated unanimously by both houses. we have had changes in the faa rules that have been in place 25 years and couldn t change them. it is a real sense of accomplishment and satisfaction. reporter: this isn t the end of the road. the families group says it will continue to push for a pilots records database and safety management systems for all airlines all in the name of avoiding another tragedy like the one that took the lives of their loved ones. all right. everyone knows tiger woods has a killer s