This collection mainly consists of naval signal logs from H.M.S. Amethyst while under attack by Communist forces on the Yangtze River. This was also known as the "Yangtze Incident" and took place 20 April - 31 July 1949. There are also other papers relating to the incident such as reminiscences of those involved, articles and correspondence. The Rear Admiral Sir David Scott material includes reminiscences of events from his boyhood; through to his retirement and also includes material detailing his career: certificates; a Midshipman's journal; photograph albums and correspondence, along with David Scott's family material such as his brother Minden Scott's diaries.