Blackwall was a 50-gun fourth-rate

Fourth-rate

In the British Royal Navy, a fourth rate was, during the first half of the 18th century, a ship of the line mounting from 46 up to 60 guns. While the number of guns stayed subsequently in the same range up until 1817, after 1756 the ships of 50 guns and below were considered too weak to stand in...

 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 English

Kingdom of England

The Kingdom of England was, from 927 to 1707, a sovereign state to the northwest of continental Europe. At its height, the Kingdom of England spanned the southern two-thirds of the island of Great Britain and several smaller outlying islands; what today comprises the legal jurisdiction of England...

 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 at Blackwall Yard

Blackwall Yard

Blackwall Yard was a shipyard on the Thames at Blackwall, London, engaged in ship building and later ship repairs for over 350 years. The yard closed in 1987...

 in 1696.

In September 1705, whilst under the command of Captain Samuel Martin Blackwall, along with two smaller vessels, had been ordered to convoy some merchantmen to the Baltic

Baltic Sea

The Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...

. On 20 October, as Blackwall and her two consorts were convoying the return voyage, they encountered a superior French force. All the English ships were captured, Blackwall herself being taken by the French ship Protée. Both Captain Martin and the French commander were killed in the action.

Blackwall was commissioned into the French Navy under the name Blekoualle; she was recaptured on 15 March 1708 but was not taken back into service in the Royal Navy, the decision being taken to have her broken up instead.However, she was captured again by the French in 1709, this time being named Blakoual, remaining in French service until disposed of in 1719.