Built by Caird & Co of Greenock, and launched on Saturday 17 March 1866,[4] Tynwald cost the Company £26,000 (equivalent to £3,042,413 in 2023).

Indeed, her older sister Snaefell, is recorded as having made the passage from Douglas to Liverpool in 4hrs 20 minutes, which would suggest a speed in excess of 15 knots.

[8] On 6 December 1877, the brigantine Cerduc collided with a barque 20 nautical miles (37 km) north west of the Bar Lightship and was damaged.

[5] On 21 February 1885, she discovered the abandoned hulk Jung Frau 8 nautical miles (15 km) off Douglas and towed her in to that port.

Both Tynwald and her older sister Douglas were sold at auction, and raised the combined sum of £26,644 (equivalent to £3,748,910 in 2023).