Basic Details Surname Portwine Forenames H Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number F/33652 Primary Service As stated on memorial Service (Primary - Stated) Navy (RN) Unit (Primary - Stated) Royal Naval Air Service Rank / Title (Primary - Stated) airman 2nd class Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Air Service Death and Burial details Year of death 1917 Month of death December Day of death 2 Manner of death as stated Unknown