~ 48m ~

Mission: full approval of Stability Booklet, Safety Assessement Fire & Safety plan

Under RINA Class in San Remo & Imperia (ITALY)

Marine Engineering

~ 72m ~

Mission: adding a full new structure to the owner's cabin, and a new forward mast

Under LLOYDS Class in La Rochelle (FRANCE) & (MONACO)

Conversion & Refit

~ 33m ~

Mission: new layout, including deck extension of Sundeck, new mast, adding sunbed & jacuzzi

Under BV Class in
La Ciotat (FRANCE)

Custom Study

~ 22m ~

Mission: multi-purpose catamaran that supports efficient private submarine operations.

Under BV Class in

Classification Study


~ 42.3 m / 138' ~

AYD Service: Classification
– Renewal of all the Stability booklet following the major refit of the yacht under RINA Class (La Ciotat  Shipyard – France). 
– Certification of the Rail Track & Cranes onboard.
– Safety Assessment report for M/Y Kanaloa in view of welcoming 110 guests with 12 crew (122 persons in total) on the sun deck for the Monaco Grand Prix. 
– Full redesign of the general layout to create the Fire and Safety plan, which was approved and stamped by the Cayman Island Shipping Registry (Southampton – UK)

Marine Engineering Study


~ 71m / 233’ ~

AYD Service: Marine Engineering

Mission: Consulting mission for the renowned Naval Architect company Mc Farlane ShipDesign (Monaco). AYD managed the full new structure of the owner’s cabin, and forward mast based on the existing ship formerly named Norna. AYD drew all the plans and 3Ds of the new structure, which were fully approved by Lloyds Register. Considering the refit & conversion building process, all the work was done at the shipyard Atlantic Refit Center (La Rochelle – FRANCE). 

Conversion & Refit Study

Conversion & Refit​

~ 33 m /108’ ~

AYD Service: Conversion &  Refit

Mission: Proposed a new concept of layout for the sun deck. AYD did all the the engineering & stability study, up to final approval of the construction drawing, under the Bureau Veritas Class. Complete redesign of the general layout in order to create the Fire and Safety plan, which was approved and stamped by the Flag Authority.

Custom Project Study

New Project

M/Y Deep Blue
~ 22 M / 72' ~

AYD Service: Custom Study

Mission: DEEP BLUE is an elegant multipurpose catamaran which combines an “open sporting” style with ultramodern technologies. DEEP BLUE efficiently supports private submarine operations. 

From professional applications to leisure usage, the catamaran DEEP BLUE is a fascinating new concept to explore the deep sea anywhere in the world. Naval architect Cedric Ardoin designed this elegant multipurpose catamaran to operate a submarine with the full line-up such as Triton or  U-Boat Worx submarines.

Dedicated for day charters with limited crew requirements, DEEP BLUE is a support vessel which can accommodate up to 12 passengers. Moreover, the choice of engines includes an inboard diesel and a class 4 water jet, ensuring a 25 to 30 knot cruise speed. The large platform at the back for the C-Explorer submarines is equipped with a hydraulic platform that can lower down the underwater craft when launching is required.

“The Deep Blue is the accomplishment of my yachting experiences,” added Cedric Ardoin. “This basic version can easily be personalised, by adding for instance crew cabins or research laboratories, extending the application to match the exact nature of the client’s need”.