The Fly was a brig of 100 tons that sailed from Calcutta, India on 14 May 1802 bound for Sydney, Australia.
It was carrying a cargo of 4000 gallons of spirits and was commanded by John Black. It was never heard of again. At the time of its disappearance it was owned by the House of Campbells, Calcutta.
References
Fly (brig) Wikipedia(Text) CC BY-SA