Basic Details Surname Platt Forenames Sidney Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Royal Flying Corps Rank / Title (Primary - Stated) Captain Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Unit (Primary - Our reference) 57 Squadron Rank / Title (Primary - Our reference) Captain Secondary Service As stated on memorial Unit (Secondary - Stated) 17th. Lancers Rank / Title (Secondary - Stated) Captain Our references Service (Secondary - Our reference) British Army Unit (Secondary - Our reference) 17th Lancers (Duke of Cambridge's Own) Rank / Title (Secondary - Our reference) Captain Death and Burial details Country of death France Town of death North-east of Vitry-en-Artois Year of death 1917 Month of death April Day of death 13 Manner of death as stated Died in Aerial Combat Manner of death reference Killed in Action