AVIATION SAFETY
                                
Shop Error Behind Ual Crash
                THE ACCIDENT A Convair 340, N 73154, owned and operated by United Air Lines, Inc., made a wheels-up emergency landing six miles southeast of Dexter, Iowa (30 miles west of Des Moines), January 19, 1955, at 1625¹7 A few of the 36 passengers received minor injuries; there were no injuries to the crew of three.