Its working pressure was 15 pounds per square inch (100 kPa),[citation needed] it was rated at 70 NHP,[1] and it gave her a speed of 9 knots (17 km/h; 10 mph).

[citation needed] Mona was the second ship to enter service with the Isle of Man Steam Packet Company.

She was hurriedly ordered for the winter service in place of the larger Mona's Isle, which was soon considered too valuable to risk in storm conditions.

After less than 10 years service she was bought by a C Drinkwater, possibly in 1839 when her port of registration was changed from Douglas to Liverpool.

[1] In 1852 James Ward, Hugh Sheridan and Charles Flanagan bought her and registered her in Dublin.