Basic Details Surname O'Sullivan Forenames Michael Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Died Service number 1799564 Notes 1) Flight engineer. 2) Republic of Ireland. Primary Service As stated on memorial Service (Primary - Stated) R.A.F. Unit (Primary - Stated) 1659 H.C.U. Sub-unit (Primary - Stated) Halifax LK 878 Rank / Title (Primary - Stated) Sergeant / Flight Engineer Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Unit (Primary - Our reference) 1659 HCU Rank / Title (Primary - Our reference) Sergeant Flight Engineer Death and Burial details Country of death England Town of death Felixkirk (Yorkshire) Country of burial Eire Year of death 1945 Month of death January Day of death 15 Manner of death as stated Killed in crash Manner of death reference Killed in Action