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SCYLLA

One of the last warships to be built at Plymouth, Scylla was laid down at Devonport Dockyard in 1967, and launched in August 1968. After her fitting out she was commissioned on 14 February 1970 and went on service in the Mediterranean where she assisted H.M.S. Penelope in underwater noise trials. This consisted of Penelope being towed by Scylla at the end of a mile long, eleven-inch cable at 23 knots. (I would like to have seen that.)

1. The Scylla being launched.  2.The Scylla in 1985, post exocet conversion.  3. The Scylla arriving at Plymouth for preperation.

In 1976 she was involved in the Cod War in the waters around Iceland, and later saw service on the Biera Patrol, Belize, and as the West Indies Guard Ship. At the outbreak of the Falklands war in 1982 Scylla had just started a major refit. But this had to be put on hold as men and materials were reassigned to the battle damaged ships. So urgent was their need that parts of the Scylla were ripped out and cannibalised to speed up the repairs. Finally her refit was finished in December 1984 and she spent the next eight months becoming fully operational before taking part in a major exercise codenamed Autumn Train. Later she was a regular member of the Armilla Patrol in the Persian Gulf escorting British Merchant ships through the Straits of Hormuz at the height of the Iran, Iraq war in 1986 - 88.

 

By the beginning of the nineties Scylla was obsolete, and in 1993 she was decommissioned and left to rust. That would have been the end of the story except for the intervention of a couple of local divers, Nick Murns and John Busby, who thought it would be a great idea to bring the Scylla back to her home port and sink her over in Whitsands Bay near the James Egan Layne so that she would form an artificial reef and add another diving attraction to Plymouth.

 

They formed the Artificial Reef Consortium and drummed up a lot of support and interest but the project got bogged down in the inevitable tangle of red tape. In the end the National Marine Aquarium came on board, and the Scylla was bought with the assistance of the South West Development Agency for around two hundred thousand pounds. It took over five years to get all the relevant permissions and to make the Scylla ready to sink, and it is a testament to the tenacity of the two local divers and the Aquarium that the project was brought to a successful conclusion.

1. Scylla being towed past the Breakwater en-route to her final destination.   2. Detonation.

At last on the 27 March 2004 the Scylla was towed out of the Dockyard and around Rame Head for the last time and slowly manoeuvred into position to await the final safety checks. Amongst the crowds in the flotilla of small boats and lining the cliffs, was her last Captain, Mike Booth, who had come to say his final farewell.

The Scylla had fifty detonators placed around her hull and at around three o'clock, David Bellamy the well-known naturalist, and Daniel Green, a twelve-year-old schoolboy who had won a local competition, jointly pressed the plunger. There was a massive bang, huge balls of flame, a mass of smoke, and down she went as if grateful to be doing something useful after all those years of neglect.

 

 Down she goes.

The Scylla is one wreck you don't need to find as the site is buoyed with a big red buoy, and the wreck itself has three large yellow buoys stationed at the bow, middle and stern. No chance of missing it then. So what's it like? Because it is such a recent wreck the absence of marine life is quite spooky. You normally take all that for granted so it's a bit lonely down there.

1. The letters have gone.  2. The Bow looms beautifully. 3. Inside the bridge.  4. On the deck

The Scylla is sitting upright with a small list to starboard that is getting slightly more pronounced with each passing month. On the first dives you hardly noticed it, but you will now. This leaning will slow down though in future months as the boat settles into her silty berth. The ship has been stripped of just about all its top hamper, funnels, radar mast, and the gun went years ago when it was converted to missiles. So it is to the bridge that most people go first but even this only has a few switches. All the doors have been removed or held open and there are notices everywhere telling you to be careful and to check your air. From the bridge you can wander aft along the companionways peering into compartments and examining various tallies and switch boxes that are still around. There are also a few signatures from the towing crew and some clubs have stuck up their clubs insignia.

At the stern is the flight deck and hanger for her helicopter and you can go down and see the bronze prop shafts partly buried in the mud. If you want to go inside its quite easy as great holes have been cut in the sides to effect entry and exit points, and its fun to swim in and out of the cabins and little workshops. However it's worth noting that there are some dead ends that you cant get out of so don't go thinking that you can suspend your normal caution. There is a nice machine space full of valves and machinery which was starting to fill up with small fish and I particularly liked the Burma Road as it kinks all over the place because the sinking team took out several bulkheads.

 

Because it's so new you almost expect to see someone working as you poke your head into a cabin. Forward towards the bow it's worth swimming along the top of the deck as there are all sorts of nooks and crannies and holes going down inside the ship. Hanging of the bow is great as you can see all of it looming out of the murk with the anchor chains sweeping down to the seabed. Also a scour has started around the bow allowing you to see right underneath it. The Scylla is a welcome addition to Plymouth's sea bed, but it's a great shame that so much was taken from the Scylla, as its robbed her of most of her personality. But as the fish arrive and the winter storms rearrange her, she will no doubt regain some of that and become a welcome addition to Plymouth's seabed.

 

Dive Site: HMS Scylla

Location: 50°19.655'N; 04°15.162'W(Whitsand Bay, Plymouth)

Description: Frigate

Length: 113 metres (370 feet)

Depth: 24 metres to sea floor (79 feet)

Visibility: 2 - 14 metres (6 - 45 feet)

Rating: ****

 

Scylla Reef is the wreck of F71 HMS Scylla, a Leander-class frigate that served in the Royal Navy between 1970 and December 2003. During her commission she performed a variety of roles, from patrols in Icelandic waters during the second and third 'Cod Wars' to royal escort duties for the Queen's Silver Jubilee. She also provided humanitarian relief in the Cayman Islands during 1980 when hurricanes threatened the lives of many of the inhabitants, before being modified to have Exocet and SeaWolf missile launchers fitted. After being decommissioned, she was bought by the National Marine Aquarium and sunk on the 27th of March 2004 in Whitsand bay near Plymouth, where she now lies creating an artificial reef for divers, the first of its kind in Europe.

 

A frigate makes a very large wreck; 113 metres long with a 13 metre beam, meaning that you will need more than just one dive to truly see everything she has to offer. Due to the local shipping activities, she has had her main mast, funnels and sonar dome removed to ensure that there is 4m between her highest point and the lowest astronomical tide (LAT). However she is still easy to find as she has a large yellow BSAC buoy permanently attached to a lazy shot on her bow. There is also a smaller orange buoy that leads just aft of her bridge and another to the flight deck at the stern.

 

Descending down the main buoy takes you down to the deck of the bow at 11m. This area is pretty flat, allowing plenty of room to run some skills with some trainees if needs be, and also has what's left of the Exocet and SeaWolf missile launchers giving plenty to see. Three mooring chains come from out of the bow and into the gloom, leading down to the sandy seabed at around 24 metres. The owners of the wreck have created many large openings into her hull for experienced divers to penetrate deep inside her, the first of which can be found on the deck. All of the holes are clearly marked with warning signs, reminding you that this wreck has been sunk with divers interest and safety in mind. This also means that there are plenty of things to see inside, like the radar control consoles still with loads of buttons to play with!

 

Before diving the Scylla, I was told that there was not much life to be seen as she was still a very young wreck. I can tell you first hand that this is a myth. For a start the outside walls of the hull are teaming with anemones and sea squirts of a variety of colours (predominantly orange). Also many of the fish that can be seen on the neighbouring wreck, the James Egan Layne, have taken up residence both in and around the Scylla, including wrasse, pouting, bibs and pollack. If this is what is described as 'not much life', this reef will look absolutely breathtaking as time goes by.

 

Going back to the deck level, there is the superstructure holding the bridge in pride of place. The bridge can easily be entered from the sides, above or even below! Behind this lies the area where the main mast and funnel used to be, followed by the aircraft hangar. Again this has all been made very accessible to divers from both outside and within the wreck. The only area that is not accessible underwater is the engine rooms, which have been filled with concrete in the interest of safety of divers. However, this wreck offers so much else to see, that not seeing the engines will not spoil your dive. I definitely look forward to diving this wreck again and am interested to see how she will change over the next few years.

 

HMS Scylla

 

I was really looking forward to diving the Scylla. She is a decommissioned leander class frigate of the Royal Navy, sank in 2004 - not by torpedo or mine, but by David Bellamy and a shed-load of explosives. She is the first Artificial Reef in the UK, sunk on purpose to attract marine colonization and provide an 'adventure playground' for divers.


It was strange diving on something so clean and polished - even though there are signs of life already adhering to the metal skin of the ship, it is still clean enough to almost glow underwater. We dropped onto the foredeck, and first investigated the wave breaker on the front, before dropping down one of the sides. The ship is listing to starboard, and I felt quite uneasy about swimming along the starboard side - it feels like the ship is toppling over. There are loads and loads of swim throughs. Some were cut into the ship before she sunk, and others were created by the charges which punched holes in the hull to let the water in. These tend to be a bit ragged, so caution is needed. The swim throughs can lead down corridors in the ship, but in general there is always an exit near by.


We found the heads and took the opportunity to 'sit' on the toilet. Always worth checking for Conger Eels which find the u-bend to be an ideal hidey place first! We finned to the back of the ship and investigated the helicopter hangar there. On the walls are the old flight warning stickers and various electronics and cabling. I was surprised how much equipment was left behind. I'll be even less surprised to see most of missing by next year.

 

 

 

 

 

 

SMASHING TIME
Her pennant number was F71. She was launched from Devonport Dockyard on 8 August, 1968, 2500 tons of broad-beam Leander-class frigate and the the fourth warship to be christened HMS Scylla since 1809, writes Kendall McDonald.

On 14 February 1970 she joined the Western Fleet in the Med with her 263 crew, reaching her top speed of 28 knots from her 30,000hp geared-turbine engines in trials near Gibraltar. She carried Seacat missiles, a Lynx helicopter and 4.5in guns.

In 1971 she joined the Far East Fleet in Australia, Japan, Singapore and Hong Kong and then the Beria Patrol, returning to Plymouth in February 1972. In January 1973 she collided with the Torpoint-Devonport ferry in fog. No one was injured but her captain was court-martialled and found negligent.

Playing bumper cars with Icelandic fisheries vessels in the Cod War of 1972-1976, Scylla earnt a reputation as the toughest RN fishery protection warship. In June 1973 she was accused of helping two British trawlers to ram the Icelandic gunboat Arhakur.

Scylla claimed merely to have stood by. Six days later, however, she did take positive action after being rammed by the gunboat Aegir. She rammed much harder back and the gunboat limped away.

Scylla later seemed to be everywhere - entertaining US President Jimmy Carter aboard off the Leeward Islands, in the Channel to scatter the ashes of Cruel Sea author Nicholas Montserrat and, in 1980, helping the victims of Hurricane Allen in the Cayman islands. In 1986 she was on Gulf Patrol duty and in 1992 was given the freedom of Aberdeen.

December 1993 saw Scylla paid off. And on 27 March 2004, the 372ft frigate, with a beam of 43ft and drawing 19ft, was "placed" on the seabed in 21m in Whitsand Bay - not far from Devonport.

 

 

appeared in DIVER June 2004



 

 

 

With the UK's newest wreck sinking successfully and on time on 27 March, we had to fit a tour of the Scylla into the schedule as soon as possible.
     What with the London International Dive Show and a spell of bad weather, it was almost two weeks before I managed, on Good Friday, to get to the Scylla with Plymouth Diving Centre. Every dive boat from Plymouth seemed to be on the wreck, though by fortuitous timing most were just finishing and I saw only a few other divers under water. Nearby, one boat was taking advantage of an empty James Eagan Layne on a bank holiday - that must have been a first!
     There are three marker buoys on the Scylla, at the bow, the stern and on the superstructure, the bow being furthest to the south-west. Descending the bow buoy at low water, the chain dips over the side of the wreck before looping up and across to a shackle screwed into the centre of the deck (1). There is a just-perceptible slope to starboard, which is apparently what the National Marine Aquarium (NMA) was aiming for.
     At the bow (2), three heavy chains lead out to the moorings that held the Scylla in place as it sank. One runs through the anchor hawse pipe on either side; the other through the tip of the bow.
     While much of the Scylla still displays the remnants of the original Royal Navy grey paintwork, with patches of rust showing through, the railings have what looks like a fresh coat of silver primer. Also notable are the rounded edges to the deck, designed to shed water on a ship that could hold station in the roughest seas with deck awash.
     Heading back from the bow past three pairs of bollards, the area of deck that would have held the anchor capstans has been cut open to leave a wide hole down into the forecastle (3). Bolted to the deck beside it are bright yellow warning signs about the dangers of entering a wreck, and reminding divers that they enter at their own risk.
     Further back, the bow deck slopes down to the main deck rather than stepping down, as one would encounter on most merchant ships. Meanwhile, on the centre line a raised section (4) used to be the mounting for a Sea Wolf missile system. Now there is a square plate welded to the deck with five sections of steel pipe splayed upwards from it - the mounting for the pyrotechnic display when the Scylla was sunk.
     Either side of the Sea Wolf platform are pairs of latticed square channels (5). These are the mountings for Exocet anti-ship missiles in their square-section launch containers.
     The next part of our route zig-zags up and down a bit. I wouldn't expect a diver to follow a route this literally, but it is a more convenient way to describe features of the wreck than spiralling round it.
     At the top of the superstructure is the wheelhouse (6). This can be entered through the open windows, through a hole cut in the roof, or from the corridor behind it via the open hatch to the bridge wing on either side.
     The inside has been largely cleared out. While the NMA has left a lot of the fittings and equipment in place throughout the Scylla, the wheelhouse would have been too crowded for divers had everything been left.
     Still remaining are the steering binnacle, though without compass or wheel, and the chart table against the rear bulkhead.
     Behind the wheelhouse, a wide compartment leads back to a big hole cut in the roof just forward of the stump of the main mast (7), with a wire ladder hanging from it. Just behind this is another of those square plates with five sections of splayed steel piping,
     Below the wheelhouse, another open hatch (8) leads into an area of cabins. Somewhere around here is the captain's cabin, and a safe in which the dockyard workers left some glossy entertainment for the hardcore technical divers. I looked but couldn't find it - I am obviously just a lightweight tekkie.
     Below the main deck here are plenty of holes cut in the side of the hull; many more holes than can possibly be explored on a single dive. One deck down and just aft of the wheelhouse, a pair of holes (9) lead in to compartments full of radar and sonar plotting consoles, circular displays and big buttons all over them.
     Back on top of the superstructure, the base of a pedestal with a solid surround (10) was, I suspect, the mounting for a light anti-aircraft gun.
     In the centre of the superstructure, the funnel has been cut right down (11) to leave a raised outline on the deck and a hole blocked by thick gratings. Either side of this are wedges on the deck to support the ship's boats (12).
     Just aft of the boat mounts, another pedestal base and solid surround is identifiable from photographs as the base for a chaffe launcher (13) - rockets that would launch clouds of aluminium foil to confuse enemy radar. These are followed by more wedges on the deck from a smaller boat or life-raft (14).
     The rear part of the superstructure is dominated by the helicopter hangar, two decks high and spanning almost the entire width of the ship. From the superstructure, the simplest way in is through a hole cut in the roof (15).
     Inside it is big, much bigger than the seaplane hangar on the M2 submarine. Even so, there can't have been much elbow room with a Lynx helicopter inside. On the walls are equipment racks, control panels and, with the proximity of aviation fuel, lots of fire-fighting equipment.
     Exit is easy through the open hangar door (16) onto the flight deck. On either side the railings that surround the rest of the ship give way to hinge-out sections of netting. In the centre, a white ring (17) still marks the landing target, now occupied by the last of the square plates with steel pipe for the fireworks.
     The stern is asymmetric. The flight deck extends all the way along the starboard side, while the port side drops down one deck level (18). In the centre are two more holes cut in the deck to provide access to the compartments below.
     This is more than enough for an hour-long dive, so our tour ends ascending the buoy at the stern. A grey galvanised chain lies across a grey painted deck, so the buoy line (19) is not easy to spot.
     Save for a few diversions inside, our tour has covered a beginner's dive on the wreck. A 2500 ton frigate is much more complicated to explore than a similar-sized merchant ship. There are many more compartments open to divers through the superstructure, then three levels of decks below the main deck accessible through holes cut in the side of the hull (20).
     My only regret is that, in the interest of safety and, critically, liability, the engine room has been sealed off by filling it with concrete (21). That's a shame, as Leander-class frigates were the Navy's last traditional steam-powered warships.


A mooring chain disappears down a

hawse-pipe

Consoles in the operations room


Warning signs are bolted on prominently

near most openings into the wreck


Steel tubes used for the pyrotechnics

display when the Scylla was sunk


Fire-hose reel in the helicopter hangar


Spotlight on the bridge wing


Inside the wheelhouse


Fire sprinkler behind the helicopter deck

 

 

 

 

 

pacing=0 cellpadding=0 width=778 style='width:583.15pt;mso-cellspacing:0cm;mso-padding-alt:0cm 0cm 0cm 0cm'>

With the UK's newest wreck sinking successfully and on time on 27 March, we had to fit a tour of the Scylla into the schedule as soon as possible.
     What with the London International Dive Show and a spell of bad weather, it was almost two weeks before I managed, on Good Friday, to get to the Scylla with Plymouth Diving Centre. Every dive boat from Plymouth seemed to be on the wreck, though by fortuitous timing most were just finishing and I saw only a few other divers under water. Nearby, one boat was taking advantage of an empty James Eagan Layne on a bank holiday - that must have been a first!
     There are three marker buoys on the Scylla, at the bow, the stern and on the superstructure, the bow being furthest to the south-west. Descending the bow buoy at low water, the chain dips over the side of the wreck before looping up and across to a shackle screwed into the centre of the deck (1). There is a just-perceptible slope to starboard, which is apparently what the National Marine Aquarium (NMA) was aiming for.
     At the bow (2), three heavy chains lead out to the moorings that held the Scylla in place as it sank. One runs through the anchor hawse pipe on either side; the other through the tip of the bow.
     While much of the Scylla still displays the remnants of the original Royal Navy grey paintwork, with patches of rust showing through, the railings have what looks like a fresh coat of silver primer. Also notable are the rounded edges to the deck, designed to shed water on a ship that could hold station in the roughest seas with deck awash.
     Heading back from the bow past three pairs of bollards, the area of deck that would have held the anchor capstans has been cut open to leave a wide hole down into the forecastle (3). Bolted to the deck beside it are bright yellow warning signs about the dangers of entering a wreck, and reminding divers that they enter at their own risk.
     Further back, the bow deck slopes down to the main deck rather than stepping down, as one would encounter on most merchant ships. Meanwhile, on the centre line a raised section (4) used to be the mounting for a Sea Wolf missile system. Now there is a square plate welded to the deck with five sections of steel pipe splayed upwards from it - the mounting for the pyrotechnic display when the Scylla was sunk.
     Either side of the Sea Wolf platform are pairs of latticed square channels (5). These are the mountings for Exocet anti-ship missiles in their square-section launch containers.
     The next part of our route zig-zags up and down a bit. I wouldn't expect a diver to follow a route this literally, but it is a more convenient way to describe features of the wreck than spiralling round it.
     At the top of the superstructure is the wheelhouse (6). This can be entered through the open windows, through a hole cut in the roof, or from the corridor behind it via the open hatch to the bridge wing on either side.
     The inside has been largely cleared out. While the NMA has left a lot of the fittings and equipment in place throughout the Scylla, the wheelhouse would have been too crowded for divers had everything been left.
     Still remaining are the steering binnacle, though without compass or wheel, and the chart table against the rear bulkhead.
     Behind the wheelhouse, a wide compartment leads back to a big hole cut in the roof just forward of the stump of the main mast (7), with a wire ladder hanging from it. Just behind this is another of those square plates with five sections of splayed steel piping,
     Below the wheelhouse, another open hatch (8) leads into an area of cabins. Somewhere around here is the captain's cabin, and a safe in which the dockyard workers left some glossy entertainment for the hardcore technical divers. I looked but couldn't find it - I am obviously just a lightweight tekkie.
     Below the main deck here are plenty of holes cut in the side of the hull; many more holes than can possibly be explored on a single dive. One deck down and just aft of the wheelhouse, a pair of holes (9) lead in to compartments full of radar and sonar plotting consoles, circular displays and big buttons all over them.
     Back on top of the superstructure, the base of a pedestal with a solid surround (10) was, I suspect, the mounting for a light anti-aircraft gun.
     In the centre of the superstructure, the funnel has been cut right down (11) to leave a raised outline on the deck and a hole blocked by thick gratings. Either side of this are wedges on the deck to support the ship's boats (12).
     Just aft of the boat mounts, another pedestal base and solid surround is identifiable from photographs as the base for a chaffe launcher (13) - rockets that would launch clouds of aluminium foil to confuse enemy radar. These are followed by more wedges on the deck from a smaller boat or life-raft (14).
     The rear part of the superstructure is dominated by the helicopter hangar, two decks high and spanning almost the entire width of the ship. From the superstructure, the simplest way in is through a hole cut in the roof (15).
     Inside it is big, much bigger than the seaplane hangar on the M2 submarine. Even so, there can't have been much elbow room with a Lynx helicopter inside. On the walls are equipment racks, control panels and, with the proximity of aviation fuel, lots of fire-fighting equipment.
     Exit is easy through the open hangar door (16) onto the flight deck. On either side the railings that surround the rest of the ship give way to hinge-out sections of netting. In the centre, a white ring (17) still marks the landing target, now occupied by the last of the square plates with steel pipe for the fireworks.
     The stern is asymmetric. The flight deck extends all the way along the starboard side, while the port side drops down one deck level (18). In the centre are two more holes cut in the deck to provide access to the compartments below.
     This is more than enough for an hour-long dive, so our tour ends ascending the buoy at the stern. A grey galvanised chain lies across a grey painted deck, so the buoy line (19) is not easy to spot.
     Save for a few diversions inside, our tour has covered a beginner's dive on the wreck. A 2500 ton frigate is much more complicated to explore than a similar-sized merchant ship. There are many more compartments open to divers through the superstructure, then three levels of decks below the main deck accessible through holes cut in the side of the hull (20).
     My only regret is that, in the interest of safety and, critically, liability, the engine room has been sealed off by filling it with concrete (21). That's a shame, as Leander-class frigates were the Navy's last traditional steam-powered warships.


A mooring chain disappears down a

hawse-pipe

Consoles in the operations room


Warning signs are bolted on prominently

near most openings into the wreck


Steel tubes used for the pyrotechnics

display when the Scylla was sunk


Fire-hose reel in the helicopter hangar


Spotlight on the bridge wing


Inside the wheelhouse


Fire sprinkler behind the helicopter deck