MAY 1979 CRASH OF DC-10 IN CHICAGO 3

FILE - In this May 26, 1979 file photo, investigators view the wreckage of the ill-fated American Airlines Flight 191 to Los Angeles, which crashed on take off in Chicago. Decades later, the crash, moments after it took off from Chicago's O'Hare International Airport, remains the deadliest aviation accident in U.S. history. The DC-10 was destined for Los Angeles when it lost one of its engines May 25, 1979, killing what investigators later determined were 273 people _ all 271 people aboard the jetliner and two people on the ground. (AP Photo/Fred Jewell File)