Commander-in-Chief, China
He served in World War I as Commander-in-Chief, China Station from 1913 to 1915, where he was involved in the 1915 Singapore mutiny before being made Commander of the 2nd Battle Squadron in which capacity he took part in the Battle of Jutland in 1916. Admiral Lord Beatty was subsequently critical of Jerram's role complaining that Jerram failed to support him as darkness fell. He retired in 1917.