Masira Channel. Arabia, East Coast. Admiralty Chart 3519. 4 September 1964. Scale 1:53,000. Small corrections 1966 613 [printed] and to 1967 849 [hand-stamped]. Printed 5 October 1966.
Sheet 11, D.C.S. 17/10. There is an inset location map in the lower left corner of the map, and an inset extension map in the lower central part of the map.
Chagos Archipelago. Indian Ocean. Admiralty Chart 3. Published East India Company 2 December 1839. [Scale 1:360,000.] New edition March 1906. Small corrections to 1964 1921. Printed 20 July 1965. Annotated with marine zone around each island group.