A video appears to show the 747 as it tries to take off from Bagram Airbase . ` ` That 's one dramatic fall out of the sky , '' an expert says . The plane was carrying a cargo load that included more than 100 tons of medical supplies and other aid for Afghan forces fighting Taliban insurgents in Afghanistan. U.S. transportation safety investigators arrive in Afghanistan .
A video appears to show the 747 as it tries to take off from Bagram Airbase . `` That 's one dramatic fall out of the sky , '' an expert says . The plane was carrying seven crew members and cargo , the airline says . U.S. transportation safety investigators arrive in Afghanistan .