Lanchester Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 7 nautical miles (13 km) wide lying east of Havilland Point

Havilland Point

Havilland Point is a point 2 nautical miles east of Cape Page on the west coast of Graham Land. Photographed by Hunting Aerosurveys Ltd. in 1955-57 and mapped from these photos by the Falkland Islands Dependencies Survey . Named by the United Kingdom Antarctic Place-Names Committee in 1960 for...

, along the west coast of Graham Land

Graham Land

Graham Land is that portion of the Antarctic Peninsula which lies north of a line joining Cape Jeremy and Cape Agassiz. This description of Graham Land is consistent with the 1964 agreement between the British Antarctic Place-names Committee and the US Advisory Committee on Antarctic Names, in...

. Photographed by Hunting Aerosurveys Ltd

Hunting Aerosurveys Ltd

Hunting Aerosurveys Ltd was a British aerial photography company. It incorporated Aerofilms Ltd and the Aircraft Operating Company.In 1947 it was using three types of aircraft: Austers, a Percival Proctor and a D. H. Rapide and planned to acquire one or more Percival Mergansers...

. in 1955-57 and mapped from these photos by the Falkland Islands Dependencies Survey (FIDS). Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for Frederick W. Lanchester (1868–1946), aeronautical engineer who laid the foundations of modern airfoil theory.