Luis Coutinho commanded the hulks and flyboats.
"A General History and Collection of Voyages and Travels, Volume VII" by Robert Kerr
Later in the voyage Sydney's flyboat foundered; but he and all his soldiers were rescued.
"Great Ralegh" by Hugh De Selincourt
Hulks, flyboats, boyers, crousteves, swift as a wind big with tempest, like the cloud that bears the thunderbolt.
"The Legend of Ulenspiegel, Vol. II (of 2)" by Charles de Coster