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Codecasa launchs 65m motor yacht Regina ...

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If you have any questions about the MAIN information page below please contact us .

Built by Codecasa in 2008, 65m/213ft superyacht MAIN was the shipyard's first hull in its 65m series, followed by ETERNITY (ex.FAMILY DAY) and DOUBLE DOWN (ex.LADY LAU) in 2010. The exterior styling and naval architecture is by Codecasa and Studio Dellarole and Ortelli, who also worked in collaboration with Giorgio Armani to complete her interiors. MAIN accommodates 12 guests in 6 generous cabins.

Notable features: ~Sundeck Jacuzzi ~Modern Asian aesthetic ~Over five decks of facilities ~En-suite bathrooms for all guest cabins ~Air conditioning

The interiors use a monochrome colour scheme, and the minimalist Asian aesthetic can be found throughout the main salon and the private cabins. The main salon is fitted with two sofas for group gatherings and a low table with cushions farther forward. On the upper deck, the sky lounge has the perfect atmosphere for evening entertaining and guests can gather on the L-shaped sofa for a conversation with drinks from the bar. A games table adds to the recreation options, and there is a low table with cushions for additional seating.

The swim platform leads up to the main deck via a sweeping staircase ideal for photo shoots and capturing a large group gathering on a special occasion. Hidden behind blinds, the main deck cockpit contains two separate seating areas along the stern as well as a large bar. Up to 14 guests can dine alfresco in style on the shaded upper deck aft. The seating along the stern provides a place for guests to sit and socialise outside after a meal. The spacious sundeck aft has plenty of room for sun loungers with glass balustrades to ensure safety with uninterrupted views. The alfresco dining area seats up to 10 guests under the shelter of a hardtop. A Jacuzzi and sun pads are located on the sundeck forward.

MAIN Specifications

In 2008, M/Y MAIN received the RINA Award.

Twin Caterpillar 3516 B engines producing 2448 HP allow motor yacht MAIN to achieve a maximum speed of 18 knots with a range of 6,000 nautical miles at 14 knots.

Yacht Accommodation

The accommodation layout sleeps 14 guests over 7 cabins: 1 Master suite and 6 guest cabins. The crew are accommodated over 8 cabins: 6 double cabins, 1 Chief Engineer's cabin and 1 Captain's cabin.

Amenities and Extras

We do have available further amenity, owner and price information for the 65.00m (213'3") yacht MAIN, so please enquire for more information.

MAIN Disclaimer:

The luxury yacht MAIN displayed on this page is merely informational and she is not necessarily available for yacht charter or for sale, nor is she represented or marketed in anyway by CharterWorld. This web page and the superyacht information contained herein is not contractual. All yacht specifications and informations are displayed in good faith but CharterWorld does not warrant or assume any legal liability or responsibility for the current accuracy, completeness, validity, or usefulness of any superyacht information and/or images displayed. All boat information is subject to change without prior notice and may not be current.

Quick Enquiry

One of the oldest family-owned superyacht builders in Italy, Codecasa Shipyards builds steel and aluminium yachts. Every Codecasa Yacht is unique. Modern, classic or minimalist, the interior furniture of every Yacht is carefully designed and built to meet with the Buyer’s personal demands and requests.

Eternity | From US$ 390,000/wk

TRIDENT | From EUR€ 500,000/wk

ZAZOU | From EUR€ 645,000/wk

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Aviva: Inside the 98.4m Abeking & Rasmussen flagship yacht

The owner of Aviva challenged his design team to build a yacht around a padel tennis court — and 98m, 4,966GT and a mere three years later, she was launched.

She’s big — let’s get that out of the way. At 98.4 metres,  Aviva  became the 46th longest yacht in the world when she was delivered by  Abeking & Rasmussen  in 2017, and there are very few boats of her length that can match her for volume.

Her 17.24 metre beam is so generous that the designers pulled in the bridge deck superstructure to add side decks — improving crew circulation and refining the profile — because “we just didn’t need that much beam”.

They were right: spaces on board are magnificently expansive, from guest suites the size of the master suite on a 50 metre to an owner’s wardrobe that is, designer Andrew Langton notes quite seriously, “bigger than my house in France”. The fact that scale sits fairly low down on the list of Aviva ’s extraordinary features speaks to the imagination and belief-beggaring ambition of this project.

Aviva is the third yacht of her name delivered to owner Joe Lewis, British businessman and major shareholder in Tottenham Hotspur Football Club. The first, a 62 metre Winch design, was built at Feadship in the Netherlands; the second, a 68 metre Reymond Langton design , at Abeking & Rasmussen on the banks of the Weser river in Lemwerder, near Bremen.

For his grandest project yet Lewis returned to Abeking. “They were, surprisingly, much less conservative than other people. Maybe it’s because of the military stuff they do,” says Toby Silverton, head of design on the project, working with Reymond Langton, and who was also involved in Lewis’s two previous projects.

The yard’s biggest project had been 82.48 metre Secret and to take on Aviva it extended its build shed to accommodate yachts of up to 125 metres — a bold move into a larger size category. And its courage didn’t end there.

“Build a big yacht around a padel tennis court was the main brief, I guess,” says the yard’s project manager Andreas Hering, with admirable understatement. “In three years.”

• How 74.5m Abeking & Rasmussen Elandess sprang from a blank sheet of paper

A project of this size might easily take five years, even if the yard already had a shed big enough for the purpose. And this was a highly unusual project. Design was accelerated too: the complex interior was penned in six months, when they would have liked a year; and the exterior in just one month, when it might more comfortably have taken six.

Knowing that makes Aviva ’s elegant profile even more impressive. “There was a lot of work to [visually] break up the mass, using facets,” says Langton. “We also tried to keep the lines long, so the sheer line is very long and jumps up forward with a clean line.”

They also minimised the details that act as size references, to disguise the scale. Rub rails are eliminated, stanchions replaced with glass, crew quarters windows are grouped to create long lines of glazing and even the anchor pocket has been elongated and disguised, lest a little square of gleaming stainless gives the game away.

Some upright elements of the silver superstructure were also picked out in a darker shade. “They disappear a bit, which makes the slope of the boat more raked,” says Langton.

The long bow adds to the effect, but the aesthetic is the beneficiary of a practical decision: this boat will roam far and the long covered bow makes it likely to survive the kind of rogue waves that have battered a few cruise ships over the years.

“I talked to the captain of the QE2 who went through a wave, and what happens is all the wheelhouse windows smash, they had four foot of water, you then lose all your instruments and they had no ability to control the boat, communicate or navigate,” says Silverton.

To strengthen Aviva he added extra watertight doors and armoured the two forward VIP cabins and superyacht wheelhouse so that they could be sealed off to save the boat. “You can lose everything on the bridge and you can still navigate and control the boat from the engine room,” he says.

Apart from safety, the main aim of the naval architecture was stability. Before the build of Lewis’s second Aviva , Silverton had been frustrated by a lack of data on how rolling motion affects passengers, so he put 36 people in a motion simulator for three days.

“There’s two things: one is the period of roll and the second is the way it rolls,” he says. “The typical roll period of the 62 metre would be around 7.5-7.8 seconds, one of two roll periods people were particularly upset by. And we found that if it was a soft stop and then a soft movement away again, people were much more tolerant of it.”

The design of the second boat addressed those concerns and the new Aviva ’s hull — patent pending — is an evolution of that. It has a nipped in “waist” which bulges back out below the waterline. This both slows and softens the roll. Her near-vertical bow and narrow sailing boat-like stern (which helps reduce pitching) also aid efficiency.

So much so that they were able to go down two engine sizes from the original spec (she has two MTU 16V4000 M73Ls, which put out 2,880kW each) and still hit 20.3 knots in sea trials. Silverton notes that she runs most comfortably at a zippy 16.5 knots, despite an official cruising speed of 14 knots.

Supplementary electric motors offer smooth manoeuvring and silent 11 knot running at night, while extra solidity comes from MAGLift stabilisers aft and one pair of fin stabilisers forward.

But it is the padel tennis court that lies literally and metaphorically at the heart of this project. This high intensity squash-tennis hybrid is a daily routine for Lewis and his explorations with his previous yachts had been limited to destinations with courts.

“The original idea I had was to put it on the aft end main deck and have folding panels and sliding walls,” says Langton. “It never even entered my head to put it inside, because it’s so big.”

Not only would putting the court at the back have made for a profile that Langton likens to a pick-up truck, but Silverton notes that the court would not have been playable at main-deck level. “You’re way above the roll centre, so it’s moving sideways – humans can’t cope with sideways movement of the ground,” says Silverton. “So we looked at putting it as low down as possible.”

Achieving such a large area in that position was an engineering feat but the results are spectacular. Its dimensions short-circuit spatial understanding — it seems impossible that this towering 6.65 metre tall space could be accommodated in Aviva ’s profile.

But it is, and it functions beautifully. “We’re running along at 19 knots, white horses everywhere, and they’re downstairs playing padel having no idea that there’s any sea at all,” says Silverton.

This sort of intelligent ambition has transformed every space on board into something special. “The owner has been in many businesses – hospitality, hotels – so he really understands how spaces work,” says Silverton.

Apart from strategically placed pantries and concealed crew entrances, there are three massive dumb waiters, a lower deck entrance for loading supplies, a dedicated crew galley and much more. The final GA was version 57.

On the more glamorous side of this equation, the upper saloon is a highly functional family room that’s comfortable, bright and airy. The sofas are extra squashy, and there’s a games table as well as a sculptural Bogányi piano.

The head height is 2.6 metres and nine metres of openable full-height windows run along each side of the room – with balconies. Rather than the usual glass, doors to the aft deck are leather clad, making the room feel more private. In fine weather, with those doors open, glass panels slide out to surround the aft deck dining area, creating one long, protected inside/outside space.

Designing such a huge area without pillars for support was a challenge and the corners are, says Hering, packed with extra structure. “Also, in the ceiling, all the girders are very thick because the unsupported length is just enormous.”

In contrast to this space, the main saloon below is a glamorous introduction to Aviva , up the sweeping superyacht staircase from the swim platform and inside to take in starry pieces from the owner’s art collection from a round of sunken seating. Adding a dash of intrigue there’s a secret cinema forward of the space, behind a hidden door.

The master suite is in the nose of the main deck rather than higher up, for extra stability. It stretches from a full-beam cabin to a massive bathroom centred with a monolithic Corian bathtub (there’s a spa just aft of the cabin for even more serious pampering), to a wardrobe-cum-dressing room of spectacular scale and glamour, inspired by Chanel boutiques.

But while some spaces are grand in scale, others are decidedly intimate. Rather than a dining saloon, there are two art-filled “bistros” on board for cosy meals, and many other small dining areas elsewhere. The owner’s bridge deck office is also modestly proportioned, with a conference room next door for larger meetings.

In terms of interior style, the owner’s brief was for something revolutionary. “He didn’t want anything to be symmetrical, it had to be curvy or organic,” says Langton. “He wanted it to be very different. No wood, nothing traditional.”

From the furniture and fittings to walls and overheads, there is barely a straight line on this boat. That was no mean feat for Abeking & Rasmussen’s outfitter Rodiek, which, as well as building most of the yacht’s bespoke furniture in organic forms, produced undulating wall panels from high density CNC-milled foam. “Five or ten years ago this was only used to do models or moulds for the car industry. It is very expensive,” says Langton.

It is, however, perfect for creating curves. “For this boat we decided to use a lot of new materials, even for the base materials, because of the big curved ceiling spaces,” says Hilmar Westermeyer, COO of Rodiek, who had to buy a new CNC milling machine for the project. Rodiek works only for Abeking & Rasmussen (and vice versa) in a symbiotic relationship.

In terms of the interior styling, the ethos was love it or lose it — at least visually. “This door disappears when it is closed and becomes part of the wall,” says Langton in one of the forward VIPs, swinging it to the latch, where its undulations perfectly meet those on the wall. “You either make a door a feature, make it beautiful, or you make it disappear.” The same goes for handles: those on wardrobes are invisible, but ones used on cabin doors are gnarled and textural, incorporated into a cracked bronze plate “like desert clay”.

“Because we’ve not used any wood, basically the whole interior is a mixture of leather and lacquer, it’s really almost tailored.” Take the artfully stitched cream leather of window frames, or the iridescent shot silk that runs down the broad main deck corridor, printed with a bespoke cartographical motif.

A neutral palette is enriched with precious materials: sunset-toned onyx, vanilla marble, shagreen, shimmering leathers. There are glossy panels dripping with resin and acrylic by Alex Turco in the lobby, and panels of velvet mottled with gold, by Sabina Fay Braxton, above guest beds. Staircases are works of art; one with floating treads like turbine blades, another a leather and glass form that spirals up from the floor.

This interior — where, as Langton puts it, almost every surface has “richness and form” – melts into the deck spaces via visual tricks: organic patterns in the Esthec decking that continue in the interior carpets; or the bar that is half in the main saloon and half on the aft deck, a mirror image joining the two spaces.

The superyacht sundeck is the exterior equivalent of the upper saloon — a comfortable family lounge. This massive space, with sunshine yellow upholstery, runs from a shaded central area for dining, with a projector for movie nights, to an aft sunbathing area with sunpads (with a wedge shape to sit as well as lie) and another forward around a spa pool, set low against a glass windbreak for spectacular views.

This forward end is a cosy space like so many on board. It’s that understanding of usable, enjoyable spaces, of human scale, human comfort and passions that makes Aviva a truly grand design. Those 98 metres just help pack it all on board.

First published in the April 2018 edition of BOAT International. Get this magazine sent straight to your door, or subscribe and never miss an issue.

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Yacht Types and Sizes

Which yacht types and sizes exist in the world.

Are you curious which yacht types and sizes exist in the world? Spoiler: there are plenty!

In this article, we explore different types of yachts, such as motor yachts, sailing yachts, catamarans and trimarans.

We talk about their unique features, advantages and disadvantages.

We also cover the difference between serial, semi-custom and custom yachts and see which one is right for you. 

Finally, we learn about how yacht size is measured and how it affects overall yacht volume and operations.

Let’s get started! 

YACHT TYPES

If you consider buying a yacht, you need to decide on its type.

Which yacht type do you prefer: motor yachts, sailing yachts or catamarans?

These three categories are the most popular types of yachts, although there are also other ones.

Let’s look at each of them separately.

Yacht Types: Motor Yachts

Motor yacht is the most common type of a superyacht. Around 80% of world’s yachts are motor yachts.

These luxury boats are powered by strong engines, do not have sails and over time have become symbol of a classy and laid-back lifestyle.  

Pros of Motor Yachts: 

• Powerful and fast 
• Greater technological advances 
• Greater deck space, more living volume 
• Easier to find suitable crew members 
• Easier to operate than a sailing yacht 
• Easier to host guests of all personalities 

Contras of Motor Yachts:

• Less sustainable, higher fuel consumption 
• Less adventurous feel (if you are looking for it) 
• Shorter range (can only be powered by motor) 
• Engine noise 

Motor yacht is probably the first thing which comes to your mind when you think superyachts.

Classy and sleek design, plenty of deck space, comfortable staterooms and lots of entertainment options – all this you can find aboard a motor yacht.

Motor yachts come in different types and sizes and with different purposes. The latest trend is explorer motor yachts, which are explicitly equipped for cruising in cold polar regions.  

Yacht Types: Sailing Yachts

Sailing yachts are the second most popular yacht type. If you love the wind and want that classy sporty feel while aboard, then a sailing yacht is the right yacht type for you.

Another advantage is that when not powered by motor, sailing yachts are very quiet. It is only the sound of waves and wind (and an occasional seagull) around you.   

Pros of Sailing Yachts: 

• Unique feel of adventure 
• Can combine peaceful cruise with racing  
• Very quiet when powered by sail  
• Lower fuel consumption 
• Lower maintenance cost 
• Can sail in shallower waters  

Contras of Sailing Yachts: 

• Tend to be slower that motor yachts (in case you like speed) 
• Less stabilization  
• Smaller cabin space 
• Might have less lifestyle equipment available (Jacuzzi, gym, cinema) … 

There are only two types of people out there: sailing yacht fans and motor yacht fans. Rivalry between fans of the two yacht types has become legendary.

Probably, you already know which group you belong to. Nevertheless, we still recommend you charter both sailing and motor yachts to be sure you are making the right choice. If you are still unsure, read about the third yacht type below. 

Yacht Types: Catamarans  

Catamaran is defined as a vessel with two parallel hulls which are joined together. Due to its form, catamaran is the most stable of all yacht types.

If you are looking for stability and comfort, or have family members who easily get seasick, buying a catamaran is a valid option to consider. 

Pros of Catamarans: 

• More fuel efficient & sustainable 
• More stability  
• Can be used in shallow waters 

Contras of Catamarans: 

• Less volume for staterooms 
• Higher dockage rates than for a monohull 
• Different sailing feeling compared to a sailing boat 

Catamarans offer a great opportunity for taking family vacations, which will leave every family member happy. Since they are more difficult to sink, they are also considered the safest boats.

If you are looking for extra stability, comfort and space, but also do not want to compromise on adventures and possibility to explore shallow waters, catamaran is right yacht type for you. 

Yacht Types: Trimarans 

Big brother of a catamaran, a trimaran, has even three hulls – one main hull in the center, and two smaller hulls on each side.

You will not see them as often, but there are certainly also big fans of trimarans out there. Trimarans are designed for racing or leisure but are also widely used for military and shipping purposes. 

YACHT PRODUCTION TYPES: SERIAL, SEMI -CUSTOM, CUSTOM YACHTS

Now that we’ve covered yacht types, let’s investigate which production options are out there. Unlike the automotive industry where most of the car models come from production lines, the yachting world offers future owners more possibilities.  

SERIALS YACHTS 

This is the most common and less expensive way to get to your new dream boat. Serial or production yachts are yacht models which are produced by shipyards in various quantities based on model and size.

Serial does not mean that you cannot tune it to your taste though. Manufacturers offer different sets of modifications with certain yacht models. You will likely get to choose between several layout models and different equipment options.

Obviously, if you order a newly build yacht, you are likely to get more space for your improvements, than if you decide to refit an already existing yacht. 

SEMI-CUSTOM YACHTS  

A good way for owners who wish more character and comfort to their boats but at the same time do not want to order a fully customized vessel, is to order a semi-custom yacht.

Semi-custom yachts stand between serial and fully customized boats. You save a lot of time and effort by picking an existing engineered platform from which to start planning.

Then, together with experienced naval architects and designers, you enhance it up to your expectations by customizing layout (possibly including superstructure) and interiors.

Ordering a semi-custom yacht gives you more freedom to decide how your yacht will look like. Construction time is also much shorter in comparison with a fully customized yacht, since many parts are already designed, engineered and possibly even pre-built.

By ordering a semi-custom yacht, you can shorten construction time from two – three years up to several months!

Shipyards are also less likely to fall behind the delivery schedule, since they have produced similar yachts before and know which time is needed for delivery.

Most semi-custom yachts are designed to suite majority of potential future owners, which means that layout, size, engineering etc will be well thought-through in advance.

Due to extensive previous testing & refining of semi-custom hulls by the shipyard, it is possible that your new yacht will turn out more reliable and problem-free than a fully customized yacht. 

CUSTOM YACHTS 

If you wish to be unlike anybody else and want to take your dream a step further, a fully custom-built yacht is exactly what you need.

Almost anything is possible and achievable in today’s superyacht building industry. The only considerations are your budget and international safety and security standards, more on which you can read in our article on Safety and Security Onboard Superyachts. 

With a custom-made yacht, you can be sure you will get exactly the boat you want, tailored just for your preferences, no other yacht in the world being similar.

Consider longer delivery time and substantially higher cost, since R&D expenses are not shared between yachts of the same series.

Many owners buy a smaller replacement yacht, while they are waiting for their customized dream boat to leave the docks. 

A fully customized superyacht is surely the most exclusive type of a yacht one can own.

Yacht Sizes

Now let’s look at different yacht sizes. But first, let’s find out what yacht size actually is.

How is yacht size measured?

Length Overall (LOA) is the most widely used metrics of yacht length. It is measured from the aftmost tip of the hull to the furthermost point of the stem, measured parallel to the waterline. It is probably the only yacht length definition you need to know as an owner.  

*For yachting geeks out there, here are other yacht size definitions used in the industry:

Length of Deck (LOD) : deck length excluding bow sprits and other projections. Makes particular sense for sailing boats, since their Length Overall can considerably vary from their Length of Deck.

Length of Hull (LH or LOH): Length of hull including fixed fendering but excluding any bow sprits. It can be shorter than LOA.

Length of Waterline (LWL): length of a boat at the level where the boat sits in the water.

Interesting fact: Did you know that with each additional 1 meter of length, the internal volume of a yacht increases by 6-7 cubic meters? A 40-meter yacht is not just twice longer than its 20-meter companion. According to Cube Law, it is also 6-7 times larger in volume!  

Motor yacht sizes by group

Let’s look at different sizes of motor yachts. To make things easier, we divided them into 4 groups.  

Please note that the following crew and guest numbers per yacht size are only approximate.  

Factual crew numbers will depend on specific yacht length, cruising style, owner preferences and whether the yacht charters or not.

Factual guest numbers will depend on yacht registration type, especially with larger yachts.

22 – 40 meter motor yachts

Motor yachts in of this size are most likely serial production yachts. This means that you can buy a specific yacht model which has been designed before, and choose your own details, such as finishings and furniture.

Yachts of this size will need 4-6 crew members: yacht captain, one or two deckhands, one or two stewardesses, a yacht chef, and presumably an engineer.

22-40 meter long motor yachts normally can host up to 8 guests.

40-60 meter motor yachts

Motor boats of 40 meters length and larger are considered superyachts also within circles of superyacht industry professionals.  

This is where operations and crew requirements become considerably more sophisticated. There are also more semi-custom and custom boats in this size segment.

A 40-50 meter motor boat will require a crew of approximately 9-13 crew members, depending on specific owner requirements and cruising / charter preferences.  

A possible crew setup would be: yacht captain, first officer, bosun, two engineers, three or two stewardesses, two deckhands, one or two chefs (often a guest and a crew chef).

Crew of a 60 meter motor yacht will count around 20 members.

40-60 meter long motor yachts normally can host up to 12 guests.

60 – 80 meter motor yachts

Here the yachts grow much larger, and so do the costs of maintenance.

A yacht of 60 meters length will have a crew of 20-23 members. A yacht of 80 meters length can have a crew of up to 80 members.

The maximum number of guests will depend on yacht registration type. Many owners choose to keep maximum of 12 guests, since it allows for a simpler regulation regime.

80 – 180 meter motor yachts

A 100 meter motor yacht will require 80-100 members crew. Its tonnage will exceed 500 GT, which means that the yacht will fall under more regulations: STCW, SOLAS, ISSC, ISM and others.

A 170 meter motor yacht can have up to 100 crew members.

The largest yacht worldwide at the time of writing is Azzam, at 180 meters built by Lürssen. Azzam can host 36 guests and a least 80 crew.

Maximum guest number on a yacht of this size can still be only 12 guests. But if the yacht is registered as a passage vessel, it can be significantly more.

How does yacht size affect my yachting experience?

Size does matter after all.

Let’s look at factors that change with the growing size of a yacht.

While thinking of upgrading to a bigger vessel, do not forget that as the yacht size grows, following factors also increase: 

• Yacht price 
• Availability and price of marina dockage 
• Fuel consumption 
• Number of full-time crew members 
• Time you can spend away from ports 
• Quantity of water and other supplies the yacht can carry 
• Functionality and entertainment options 
• Complexity of repairs  
• Applicability of laws & regulations 
• Time needed to sell the yacht  

Budget is the main factor which determines how big your boat can be. To learn more about the cost of yacht ownership, read this article.

During the past decade, superyachts increased in size dramatically, and this trend continues. According  to an article  by Boat International, there has been around 10.000 yachts over 24-meter LOA in the world. Around 80% of them were motor yachts.

Most of the owners start small and upgrade their boats over years. Once you owned a smaller yacht for some time, you will understand exactly what you love about it.

Also, you will know what you want to improve. So why not initiate a new-build of a new more exciting and possibly larger boat? You can still have the older yacht at your disposal, while waiting for the new delivery.  

SUMMARY: YACHT TYPES AND SIZES

In this article, we classified all yachts into 3 main types: motor yachts, sailing yachts & catamarans. We also discussed their pros & contras.

We explained the difference between serial production, semi-custom and custom yachts.

Finally, we learned how yacht size is measured and how it affects various aspects of yacht operations. We looked at crew and guest numbers for each yacht size.

Another important factor to consider is whether you want to commission a new-built yacht or buy a second hand one . More on this in our next article .   

Drop us an email if you need help with choosing a yacht or booking a yacht charter. We will define your needs and find the best solution together.

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Article by Olympiada Wohlin-Elkovsky from Yachtowner.co

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Questions for Investigators Trying to Unravel Mystery of Luxury Yacht’s Sinking

The investigators searching for answers about the shipwreck, leaving seven dead, face questions about extreme weather and possible human error or problems with the yacht itself.

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By Alan Yuhas

More than 180 feet long, with a mast towering about 240 feet and a keel that could be lowered for greater stability, the Bayesian luxury yacht did not, in the eyes of its maker, have the vulnerabilities of a ship that would easily sink.

“It drives me insane,” Giovanni Costantino, the chief executive of the Italian Sea Group, which in 2022 bought the company that made the ship, said after its wreck last week. “Following all the proper procedures, that boat is unsinkable.”

But the $40 million sailing yacht sank within minutes and with fatal results: seven dead, including the British technology billionaire Michael Lynch, his teenage daughter, four of Mr. Lynch’s friends and a member of the crew. Fifteen people, including the captain, escaped on a lifeboat.

Mr. Lynch had invited family, friends and part of his legal team on a cruise in the Mediterranean to celebrate his acquittal in June of fraud charges tied to the sale of his company to the tech giant Hewlett-Packard.

The Italian authorities have opened a manslaughter investigation, searching for answers from the survivors, the manufacturer and the wreck itself. They face a range of questions and possible factors.

An ‘earthquake’ in the sky?

When the Bayesian sank around 4 a.m. on Aug. 19, the waters in its area, about half a mile off the Sicilian port of Porticello, were transformed by an extremely sudden and violent storm, according to fishermen, a captain in the area and meteorologists.

But what kind of storm is still a mystery, compounded by the fact that a sailing schooner anchored nearby did not have its own disaster. Also unclear is whether the crew was aware that the Italian authorities had issued general warnings about bad weather the night before.

Karsten Börner, the captain of the nearby passenger ship, said he’d had to steady his ship during “really violent” winds . During the storm, he said, the Bayesian seemed to disappear behind his ship.

Severe lightning and strong gusts were registered by the Italian Air Force’s Center for Aerospace Meteorology and Climatology, according to Attilio Di Diodato, its director. “It was very intense and brief in duration,” he said.

The yacht, he said, had most likely been hit by a fierce downburst — a blast of powerful wind surging down during a thunderstorm. His agency put out rough-sea warnings the previous evening, alerting sailors about possible storms.

Locals have said the winds “felt like an earthquake.” A fisherman in Porticello said that he had seen a flare go off in the early-morning hours. His brother ventured to the site once the weather had calmed about 20 minutes later, he said, finding only floating cushions.

The Italian authorities have so far declined to say whether investigators had seen any structural damage to the hull or other parts of the ship.

Open hatches or doors?

The boat executive, Mr. Costantino, has argued that the Bayesian was an extremely safe vessel that could list even to 75 degrees without capsizing. His company, the Italian Sea Group, in 2022 bought the yacht’s manufacturer, Perini Navi, which launched the ship in 2008.

Mr. Costantino said that if some of the hatches on the side and in the stern, or some of the deck doors, had been open, the boat could have taken on water and sunk. Standard procedure in such storms, he said, would be to switch on the engine, lift the anchor and turn the boat into the wind, lowering the keel for extra stability, closing doors and gathering the guests in the main hall inside the deck.

At a news conference on Saturday, almost a week after the sinking, investigators said the yacht had sunk at an angle , with its stern — where the heavy engine was — having gone down first. The wreck was found lying on its right side at the bottom of a bay, about 165 feet deep.

12 guests occupied the yacht’s six cabins. There were also 10 crew members.

Open hatches, doors and cabin windows could have let in water during a storm, according to the manufacturer.

Open hatches, doors and

cabin windows could

have let in water

during a storm,

according to the

manufacturer.

Source: Superyacht Times, YachtCharterFleet, MarineTraffic

By Veronica Penney

Water pouring into open hatches or doors could have contributed to the sinking, experts say, but that on its own may not account for the speed at which such a large boat vanished underwater.

Asked about the hatches at the news conference, the authorities declined to comment on whether they had been found open at the wreck.

The authorities have also not specified whether the boat had been anchored, whether it was under power at the time or whether its sails had been unfurled.

A retracted keel?

The Bayesian had a keel — the fin-like structure beneath a boat that can help stabilize it — that could be retracted or extended, according to its manufacturer. On some yachts, keels can be raised to let the large vessel dock in shallower water, and extended downward to help keep a boat level.

But like the hatches, the status of the keel alone may not explain why a large ship sank with such precipitous speed. Investigators have not disclosed what divers may have seen at the wreck, aside from saying divers had faced obstacles like furnishings and electrical wiring in tight quarters. Officials want to raise the wreck to better examine it, a process that may take weeks.

Human error?

Ambrogio Cartosio, the prosecutor in charge of the case, said at the news conference that it was “plausible” crimes had been committed, but that investigators had not zeroed in on any potential suspects.

“There could be responsibilities of the captain only,” he said. “There could be responsibilities of the whole crew. There could be responsibilities of the boat makers. Or there could be responsibilities of those who were in charge of surveilling the boat.”

It remains unclear what kind of emergency training or preparation took place before the disaster, or what kind of coordination there was during it. So far, none of the surviving crew members have made a public statement about what happened the night the ship sank.

Prosecutors said they want to ask more questions of the captain and crew, who have been in a Sicilian hotel with other survivors. They said that neither alcohol nor drug tests had been performed on crew members, and that they have been allowed to leave Italy.

Prosecutors also said they were also investigating why the captain, an experienced sailor, left the sinking boat while some passengers were still on board.

Besides possible manslaughter charges, the authorities are investigating the possibility of a negligently caused shipwreck.

The bodies of five passengers were found in one cabin, on the left side of the yacht, the authorities said. The five were most likely trying to flee to the higher side of the boat and were probably sleeping when the boat started to sink, they said.