Basic Details Surname Davis Forenames Cyril Frederick Lan Gender Male Information stated on memorial Alternative surname Cyril Frederick Alternative forename Lan-Davis War First World War (1914-1918) Served or died Died Notes CWGC has Surname as Lan-Davis Primary Service As stated on memorial Service (Primary - Stated) Royal Navy Unit (Primary - Stated) Royal Naval Air Service Rank / Title (Primary - Stated) Temporary Flight Lieutenant Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Air Service Rank / Title (Primary - Our reference) Flight Lieutenant Death and Burial details Manner of death as stated Not stated on memorial