The third HMS Shannon was a 36-gun frigate of the British Royal Navy built at Frindsbury on the River Medway on the Thames Estuary. She was completed on 3 September 1803 during the Napoleonic Wars. Her name was changed from Pallas to Shannon shortly before construction, traditionally an omen of bad luck for a ship. In her case, she was wrecked within three months of her being launched.
She was attached to the Channel fleet and spent the next few months under her captain, Edward Leveson-Gower, on patrol off the Cape La Hogue searching for French coastal shipping and privateers attempting to slip out of the Normandy port of Cherbourg. The 18-gun brig HMS Merlin, under Edward Pelham Brenton, accompanied her.
At 8pm on 10 December, just three months after she was completed, the ship was lost on Tatihou Island, near Barfleur, directly under an enemy battery. There was a heavy gale blowing and in the darkness, Leveson-Gower lost his position after losing sight of the Barfleur lighthouse. Assuming he had sea room, he attempted to wear around; a lee tide caught Shannon and crashed her straight onto the rocks.Merlin spotted land thanks to a bolt of lighting and was able to wear off in time.
Nine ships of the Royal Navy have borne the name HMS Shannon, after the River Shannon, the longest river in Ireland:
HMS Shannon was a 28-gun Coventry-class sixth-rate frigate of the Royal Navy.
The Shannon was one of five frigates of the class built of fir rather than oak. Fir was cheaper and more abundant than oak and permitted noticeably faster construction, but at a cost of a reduced lifespan; the four fir-built Coventry-class vessels that did not get captured lasted an average of only nine years before being struck off.
HMS Shannon was a 38-gun Leda-class frigate of the Royal Navy. She was launched in 1806 and served in the Napoleonic Wars and the War of 1812. She won a noteworthy naval victory on 1 June 1813, during the latter conflict, when she captured the American Navy's USS Chesapeake in a singularly bloody battle.
Josiah and Thomas Brindley built Shannon at Frindsbury in Kent and launched her on 5 May 1806. She was to spend her first seven years under the command of Captain Philip Broke, who was transferred from Druid, and took command of Shannon in June that year.
Shannon was quickly put into service. She formed part of a squadron under Commodore Owen that was patrolling off the French port of Boulogne. On 8 October she took part in the bombardment of the town using Congreve rockets.
Her next task was sailing in 1807 with Meleager to protect the whale fishery off Greenland. Despite encountering ice on 7 May 1807, they were able to push through, reaching the southern part of Spitsbergen on 17 June. There the two ships surveyed the Bay of Magdalena, at a latitude of 80°N. They eventually reached a latitude of 80° 6' N before the ice stopped them. They then turned westwards and reached the coast of Greenland on 23 July. The island of Shannon is named after the ship. Shannon spent the early autumn cruising from Shetland. She then left, returning to Yarmouth by the end of September, where she cruised off the Downs. She put into Spithead on 28 September to undergo a refit.