Operation NB (i)

This was the designation of the Allied convoy (together with a numerical suffix) plying the route from Singapore to dispersal after delivering men, supplies and equipment in an effort to check the Japanese E (i) invasion of Malaya and collecting civilians for evacuation and air force personnel for movement to Palembang in the Dutch East Indies (28/31 January 1942).

This singleton convoy was NB.1, which comprised the 8,009-ton French Cap St Jacques carrying evacuees, 1,929-ton British Darvel carrying air force personnel, 5,108-ton British Ekma carrying evacuees, 1,279-ton British Ipoh carrying air force personnel, 5,879-ton British Islami carrying evacuees, Malay Pangkor carrying air force personnel, and 8,602-ton British Rohna carrying evacuees.