Donald "Don" L. Keyser, 75, of Palm City, Florida, passed away April 5, 2018 at the Florida Hospital, Orlando, Florida. Born in Paterson, New Jersey, he had been a resident of Palm City for 27 years coming from Stratford, Connecticut. Before retiring he had been an aircraft mechanic for Avco Lycoming in Stratford as well as other aerospace and automotive firms. Survivors include his wife of 56 years, Carol A. Keyser of Palm City; his son, Robert R. Keyser and his wife Louise of Palm City; his daughter, Sharyl Mandeville and her husband Louis of Oxford, CT; 6 grandchildren and 1 great grandchild.  He was pre-deceased by his son, Thomas Keyser and his brother, Robert R. Keyser. Funeral services will take place on Friday, April 13, 2018 at 11:00 AM in the Adzima Funeral Home 50 Paradise Green Pace Stratford. Interment will follow in Union Cemetery, Stratford. Friends may call Friday from 10-11 AM