The crest of the coat of arms is the RRS Discovery, which first took Robert Falcon Scott and Ernest Shackleton to Antarctica as part of the British National Antarctic Expedition in 1901.

Supporters: In Dexter a Lion Or and in Sinister an Emperor Penguin proper upon a compartment divided per pale and representing in Dexter a grassy Mount and in Sinister an ice Floe.

Crest: Upon a Wreath of the colours of the Mantling a representation of the research Ship Discovery.The flag flies over the British research stations in the Territory and at the headquarters of the British Antarctic Survey in Cambridge.

[4] Vessels of the British Antarctic Survey use a blue ensign defaced with the shield from the coat of arms, which can be seen below.

[1] The flag of the Commissioner for the British Antarctic Territory, a position currently held by Ben Merrick, is also seen below.