Portuguese India Armadas Portuguese India Armadas The Portuguese India Armadas ("Armadas da Índia") were the fleets of ships, organized by the crown of the Kingdom of Portugal and dispatched on an annual basis from Portugal to India, principally Goa. These armadas undertook the Carreira da Índia ("India Run"), following the sea route around the Cape of Good Hope first opened up by Vasco da Gama in 1497–1499. For a long time after its discovery by Vasco da Gama, the sea route to India via the Cape of Good Hope was dominated by the Portuguese India armada – the annual fleet dispatched from Portugal
Brouwer Route that there was no accurate way at the time to determine longitude. The sighting of either Amsterdam Island or Saint Paul Island was the cue for ships to change direction and head north. However, this was reliant on the captain's expertise. The route was devised by the Dutch sea explorer Hendrik Brouwer in 1611, and found to halve the duration of the journey from Europe to Java, compared to the previous Arab and Portuguese monsoon route, which involved following the coast of East Africa northwards, sailing through the Mozambique Channel and then across the Indian Ocean, sometimes via India. By