Kathy Nicosia of Winthrop, a flight attendant for American Airlines, was killed Sept. 11 in New York on American Airlines Flight 11. She was 54. Mrs. Nicosia was a native of Indiana. She received her bachelor’s degree from Bowling Green State University in 1969, where she was a member of Alpha Chi Omega. For 32 years, Mrs. Nicosia was a resident of Winthrop and a flight attendant for American Airlines.