Flying boat
From 1937 to 1943 he was Chancellor of the Order of the Garter. At the coronation of King George VI Portland carried the crown of Queen Elizabeth, whose mother (the Countess of Strathmore and Kinghorne) was his cousin. It was at his estate in Langwell that the Sunderland Flying boat carrying the Duke of Kent (the King's youngest brother) crashed while en route to a RAF Base in Iceland.