EIC voyage #1 (1785-1787): Captain Alexander Gray sailed from Portsmouth on 22 March 1785, bound for Bombay and China.

[4] EIC voyage #2 (1788-1789): Captain Joseph Dorin sailed from Portsmouth on 5 April 1788, bound for Bombay and China.

Duke of Montrose reached Bombay on 5 August and Batavia on 25 November; she arrived at Whampoa on 8 February 1789.

[4] The EIC inspected the East Indiamen as they arrived and on 15 October fined Doren and eight other captains £100 each for having not stowed their cargoes in conformance with the Company's orders.

[2] The British government held Duke of Montrose at Portsmouth, together with a number of other Indiamen in anticipation of using them as transports for an attack on Île de France (Mauritius).

The expedition sailed on 6 October, 16 November, and 9 December, but weather forced the vessels to put back.

The fleet finally successfully sailed on 20 March to invade St Lucia, with troops under Lieutenant-General Sir Ralph Abercromby.

[11] EIC voyage #5 (1797–1799): Captain Burt sailed from Torbay on 22 September 1797, bound for Madras and Bengal.

[4] EIC voyage #6 (1801–1802): Captain Burt sailed from Portsmouth on 31 March 1801, bound for Madras and Bengal.

[2] He sailed from Portsmouth on 10 July, bound for Madras and Bengal, and Duke of Montrose arrived back at her moorings on 17 February 1806.

[5] EIC voyage #8 (1807–1808): Captain Paterson sailed from Portsmouth on 26 February 1807, bound for St Helena, Bengal and Penang.