Matthew Flinders led the first recorded circumnavigation of the Australian continent and produced charts that substantially improved European knowledge of its coastline.
Flinders had already surveyed coastal areas in smaller craft before receiving command of HMS Investigator for a dedicated charting expedition.
Investigator sailed from England in 1801 and began systematic work along the Australian coast. The voyage’s daily events survive in two major journal volumes held by the State Library of New South Wales.
Bungaree, a Garigal man from the Sydney region, sailed on the expedition and served repeatedly as an intermediary during encounters with Indigenous communities. His role should be part of the route story rather than treated as a marginal crew note.
Flinders charted southern, northern, and eastern coasts and met French explorer Nicolas Baudin at Encounter Bay in 1802. Britain and France were strategic rivals, yet the meeting involved exchange of geographic information.
Investigator deteriorated badly and became increasingly unseaworthy. Flinders completed the circumnavigation in 1803 but had to abandon the vessel soon afterward.
On his attempt to return to Britain, another ship was wrecked on the Great Barrier Reef. Flinders then sailed a small cutter back to Sydney, organized rescue, and departed again in Cumberland.
He stopped at Mauritius for repairs and was detained by French authorities for more than six years during renewed war between Britain and France.
Flinders continued working on charts while detained. His Voyage to Terra Australis and atlas were finally published in 1814; he died the following day.
For TransitSatellite, the Investigator circumnavigation should be mapped from the surviving journals, while later rescue and detention journeys remain separate connected routes.