HMS Royal Adelaide was a 104-gun first-rate

First-rate

First rate was the designation used by the Royal Navy for its largest ships of the line. While the size and establishment of guns and men changed over the 250 years that the rating system held sway, from the early years of the eighteenth century the first rates comprised those ships mounting 100...

 ship of the line

Ship of the line

A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...

 of the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

, launched on 28 July 1828 at Plymouth

Plymouth

Plymouth is a city and unitary authority area on the coast of Devon, England, about south-west of London. It is built between the mouths of the rivers Plym to the east and Tamar to the west, where they join Plymouth Sound...

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When first ordered in 1812 she was intended to be a second rate of 98 guns, but in the general reclassifications of 1817 she was reclassed as a first rate.

By the time of the 1871 census she was the flagship

Flagship

A flagship is a vessel used by the commanding officer of a group of naval ships, reflecting the custom of its commander, characteristically a flag officer, flying a distinguishing flag...

 at the Hamoaze

Hamoaze

The Hamoaze is an estuarine stretch of the tidal River Tamar, between the River Lynher and Plymouth Sound, England.The Hamoaze flows past Devonport Dockyard, which belongs to the Royal Navy...

, Devonport

HMNB Devonport

Her Majesty's Naval Base Devonport , is one of three operating bases in the United Kingdom for the Royal Navy . HMNB Devonport is located in Devonport, in the west of the city of Plymouth in Devon, England...

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She was converted to serve as a depot ship in 1860, and was eventually sold out of the navy in 1905.