In May 1902, the British Admiralty issued an invitation to tender to several shipbuilding yards for a new type of small cruiser, intended to act as leaders for flotillas of destroyers. The new ships required high speed to keep up with the destroyers, good seaworthiness and good communications equipment, but as they were only intended to fight destroyer-type vessels, a heavy armament was not specified.[1] The Admiralty produced a broad specification for the ships, normal practice at the time for destroyers, requiring a speed of 25 knots (46km/h; 29mph), a range of 2,000 nautical miles (3,700km; 2,300mi), light armour and an armament of ten 12-pounder (3 inch, 76mm) guns, eight 3-pounder (47mm) guns and two torpedo tubes.[2][3]
A total of eight scout cruisers were ordered, two each from Armstrong Whitworth, Fairfield, Cammell Laird and Vickers.[4] Cammell Laird's ships, the Pathfinder-class, were 379feet 0inches (115.52m)long overall and 370feet 0inches (112.78m)between perpendiculars, with a beam of 38feet 9inches (11.81m) and a draught of 15feet 2inches (4.62m). Displacement was 2,940 long tons (2,990t) normal and 3,240 long tons (3,290t) deep load.[5] Twelve Normand water-tube boilers fed steam to two 4-cylinder triple-expansion steam engines rated at 16,500 indicated horsepower (12,300kW) and driving two shafts.[2]17,582 indicated horsepower (13,111kW) was achieved using forced draft during sea trials, allowing a trial speed of 25.48 knots (47.19km/h; 29.32mph). Range was 3,400nmi (6,300km; 3,900mi) at 10 knots (19km/h; 12mph).[5] A 2 inches (51mm) thick armour belt protected the ship's engine rooms, with a 3⁄8 inch (9.5mm) armoured deck over the ships engines and an armoured deck of 1⁄2–1+1⁄2 inches (13–38mm) elsewhere, while the ship's conning tower was protected with 3 inches (76mm) of armour.[2][5]
In November 1907, Pathfinder was docked at Chatham Dockyard for inspection of her underwater fittings.[7] On 8 February 1908, the torpedo gunboatLeda collided with the old cruiser Andromache in Harwich harbour and was holed, needing to be beached to avoid sinking. Pathfinder accompanied Leda to Sheerness Dockyard where the gunboat was repaired.[8] In August 1909, Pathfinder, now leader of the 1st Destroyer Flotilla, was under refit at Sheerness.[9]
Pathfinder was sunk off St. Abbs Head, Berwickshire, Scotland, on Saturday 5 September 1914 by the German U-21, commanded by KapitänleutnantOtto Hersing. The ship was struck in a magazine, which exploded, causing the ship to sink within minutes with the loss of 259 men.
Sinking
The loss of HMS Pathfinder
At the beginning of September 1914, Otto Hersing, Commanding Officer of U-21, ventured to the Firth of Forth, home to the major British naval base at Rosyth. Hersing is known to have penetrated the Firth of Forth as far as the Carlingnose Battery beneath the Forth Bridge. At one point the periscope was spotted and the battery opened fire but without success. Overnight Hersing withdrew from the Forth, patrolling the coast from the Isle of May southwards. On the morning of 5 September, he observed HMS Pathfinder on a south-southeast course, followed by elements of the 8th Destroyer Flotilla. At midday, the destroyers altered course back towards the Isle of May while Pathfinder continued her patrol. Shortly thereafter, Hersing spotted Pathfinder on her return journey through his periscope and resolved to make an attack.
At 1543 U-21 fired a single 50cm (20in) Type G/6 torpedo at a range of 2,000 yards. At 1545 lookouts spotted a torpedo wake heading towards the starboard bow and the officer of the watch, Lieutenant-Commander Favell, attempted to take evasive action by ordering the starboard engine be put astern and the port engine at full ahead while the wheel was turned hard a port, the manoeuvre was not in time and the torpedo struck the ship beneath the bridge. The detonation apparently set off cordite bags in the forward magazine which caused a second, more massive explosion within the fore section of the ship, essentially destroying everything forward of the bridge. Broken in two, the Pathfinder instantly began sinking, dragging most of her crew down with her and leaving a massive pall of smoke to mark her grave. The vessel sank so quickly, in fact, that there was insufficient time to launch lifeboats. (Indeed, the remains of a lifeboat davit and rope can still be seen on the wreck, demonstrating the speed with which the vessel sank.)
The ship gave a heavy lurch forward and took an angle of about forty degrees down by the bow. Water came swirling up to the searchlight platform. The Captain said, 'jump you devils jump!'. The Captain and his secretary remained with the ship until the very end but somehow both survived"
Also among the survivors was staff surgeon Thomas Aubrey Smyth, who lived at Bedeque House in Dromore, Co Down.
Recounting the experience in a letter to his mother, he said the explosion had blown a "great hole in the side of the ship".
"I was at the time in the wardroom, but ran up on deck immediately, and it was then evident by the way the bow was down in the water that she would sink rapidly," he said.
"I was then thrown forward by the slope of the deck and got jammed beneath a gun (which I expect is the cause of my bruising) and while in this position was carried down some way by the sinking ship, but fortunately after a time I became released and after what seemed like interminable ages I came to the surface, and after swimming a short time I was able to get an oar and some other floating material with the help of which I was just able to keep on the surface."
Fishing boats from the nearby fishing port of Eyemouth were the first on the scene and encountered a field of debris, fuel oil, clothing and body parts. Additionally, the British destroyers HMS Stag and Express had spotted the smoke and headed for the pall of smoke, only to find that what few survivors there were had already been rescued. (There was an anecdotal story that one of the destroyers had an engine problem when a water inlet was blocked by a leg in a seaboot.)
There is significant confusion regarding the numbers of survivors. On 6 September The Times declared that 58 men had been rescued but that four had died of injuries. The fact that it is impossible to determine how many were on board that day adds to the problem, but modern research indicates that in all probability, there were 268 personnel on board plus two civilian canteen assistants. There were just twenty known survivors.
Four more men died of injuries or exposure and are buried at Dalmeny in Fife and Warriston near Edinburgh. One unknown Pathfinder sailor is buried at Dunbar overlooking the scene of the sinking.
The explosion was seen by British writer Aldous Huxley (while staying at Northfield House, St. Abbs) who recorded the following in a letter to his father sent on 14 September 1914:
I dare say Julian told you that we actually saw the Pathfinder explosion – a great white cloud with its foot in sea.
The St. Abbs' lifeboat came in with the most appalling accounts of the scene. There was not a piece of wood, they said, big enough to float a man—and over acres the sea was covered with fragments—human and otherwise. They brought back a sailor's cap with half a man's head inside it. The explosion must have been frightful. It is thought to be a German submarine that did it, or, possibly, a torpedo fired from one of the refitted German trawlers, which cruise all round painted with British port letters and flying the British flag.
Despite the events of 5 September having been easily visible from shore, the authorities attempted to cover up the fact that Pathfinder had been sunk by a torpedo, insisting instead that it had struck a mine. The reason for this is unclear, but probably has to do with the Admiralty's position that submarines — a still new and largely untested weapons platform — lacked the capacity to sink a surface warship with a torpedo. A local paper, however, The Scotsman, published an eye-witness account by an Eyemouth fisherman, who had assisted in the rescue, that confirmed rumors that a submarine had been responsible. (However The Scotsman also reported that Pathfinder had been attacked by two U-boats and had accounted for the second one in her death throes. Admiralty intelligence later claimed that cruisers had cornered the U-boat responsible and shelled it to oblivion.) The sinking of Pathfinder by a submarine made both sides aware of the potential vulnerability of large ships to attack by submarines.
Notes
↑ "Cwt" is the abbreviation for hundredweight, 18 cwt referring to the weight of the gun.
Friedman, Norman (2009). British Destroyers From Earliest Days to the Second World War. Annapolis, Maryland: Naval Institute Press. ISBN978-1-59114-081-8.
Friedman, Norman (2011). Naval Weapons of World War I. Barnsley, South Yorkshire, UK: Seaforth. ISBN978-1-84832-100-7.
General references
Corbett, Julian (March 1997). Naval Operations to the Battle of the Falklands. History of the Great War: Based on Official Documents. Vol.I (2nd, reprint of the 1938ed.). London and Nashville, Tennessee: Imperial War Museum and Battery Press. ISBN0-89839-256-X.
Gardiner, Robert & Gray, Randal, eds. (1985). Conway's All the World's Fighting Ships 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN0-85177-245-5.
Further reading
ADM 116/1356 List of Pathfinder dead
ADM 137/3106 Reported presence of enemy submarine in Firth of Forth
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