HEARD AND MCDONALD ISLANDS (HIMI) MARINE RESERVE The Territory of Heard Island and the McDonald Islands (HIMI), an external territory of Australia, is located within the HIMI Marine Reserve. Vessels may traverse the territorial sea in innocent passage, but a permit from the Australian Antarctic Division is required to enter the territorial waters for the purposes of conducting or supporting an activity in the Territory. Other restrictions on access and activities may apply, including under the HIMI Marine Reserve Management Plan. For details see Mariners Handbook for Australian Waters AHP 20.