HMS Lyme was a 28-gun, sixth-rate

Sixth-rate

Sixth rate was the designation used by the Royal Navy for small warships mounting between 20 and 24 nine-pounder guns on a single deck, sometimes with guns on the upper works and sometimes without.-Rating:...

 frigate

Frigate

A frigate is any of several types of warship, the term having been used for ships of various sizes and roles over the last few centuries.In the 17th century, the term was used for any warship built for speed and maneuverability, the description often used being "frigate-built"...

 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...

. Originally ordered as a 24 gun ship to the draft of the French privateer Tyger. The sixth vessel of the Royal Navy to bear the name, the Lyme, as well as the , which was a near-sister, were the first true frigates built for the Royal Navy. They were actually completed with 28 guns including the four smaller weapons on the quarterdeck, but the latter were not included in the ship's official establishment until 22 September 1756. The two ships differed in detail, the Unicorn having a beakhead

Beakhead

A beakhead is the protruding part of the foremost section of a sailing ship. It was fitted on sailing vessels from the 16th to the 18th century and served as a working platform by sailors working the sails of the bowsprit, the forward-pointing mast that carries the spritsails...

 bow, a unicorn figurehead, two-light quarter galleries

Quarter gallery

A quarter gallery is an architectural feature of the stern of a sailing ship from around the 16th to the 19th century. Quarter galleries are a kind of balconies, typically placed on the sides of the sterncastle, the high, tower-like structure at the back of a ship that housed the officer's quarters...

 and only five pairs of quarterdeck

Quarterdeck

The quarterdeck is that part of a warship designated by the commanding officer for official and ceremonial functions. In port, the quarterdeck is the most important place on the ship, and is the central control point for all its major activities. Underway, its importance diminishes as control of...

 gunports, while the Lyme had a round bow

Bow (ship)

The bow is a nautical term that refers to the forward part of the hull of a ship or boat, the point that is most forward when the vessel is underway. Both of the adjectives fore and forward mean towards the bow...

, a lion figurehead, three-light quarter galleries and six pairs of quarterdeck gunports.

The Lyme was named on 2 August 1748, and commissioned in September 1748 under Captain Charles Proby, while still building in Deptford Dockyard under the direction of Master Shipwright John Holland. After her launch, she was fitted out there, finally sailing when completed on 8 February 1752. Her total initial cost had been £12,282.0.1d (including fitting out costs). She sailed for the Mediterranean in May 1749. Returning home, she was fitted out at Portsmouth Dockyard

HMNB Portsmouth

Her Majesty's Naval Base Portsmouth is one of three operating bases in the United Kingdom for the British Royal Navy...

 from December 1750 to March 1751 (at a cost of £389.6.9d) for bearing the new ambassador

Ambassador

An ambassador is the highest ranking diplomat who represents a nation and is usually accredited to a foreign sovereign or government, or to an international organization....

 to Tripoli

Tripoli

Tripoli is the capital and largest city in Libya. It is also known as Western Tripoli , to distinguish it from Tripoli, Lebanon. It is affectionately called The Mermaid of the Mediterranean , describing its turquoise waters and its whitewashed buildings. Tripoli is a Greek name that means "Three...

 out to the Mediterranean.

After her first commission finished in 1752, she was surveyed on 1 July 1753, and then underwent a small repair and was fitted out at Plymouth Dockyard

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...

 (under Admiralty Order on 4 December 1753, for a total cost of £1,519.6.3d) in February to March 1754. She was recommissioned under Captain Samuel Faulkner, but some months later he was replaced by Captain Edward Vernon, under whom the Lyme joined the Western Squadron based in 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...

. In March 1758 she was under Captain James Baker, in the Mediterranean to 1759.

Back home, and under Vernon's command again, she was surveyed again on 7 June 1760, and then underwent a small repair and was fitted out at Chatham Dockyard

Chatham Dockyard

Chatham Dockyard, located on the River Medway and of which two-thirds is in Gillingham and one third in Chatham, Kent, England, came into existence at the time when, following the Reformation, relations with the Catholic countries of Europe had worsened, leading to a requirement for additional...

 (for a total cost of £4,211.6.4d) in May to August 1760, before sailing for the Baltic

Baltic region

The terms Baltic region, Baltic Rim countries, and Baltic Rim refer to slightly different combinations of countries in the general area surrounding the Baltic Sea.- Etymology :...

.