Gray Wolf lit up at dusk on launch day in Istanbul, dressed overall with signal flags, shipyard cranes behind her
MarineSource Mengi YayWorld premiere · 2026

Virtus XP NB 113 – Gray Wolf

The largest yacht ever built by our shipyard

Manufacturer statement
52.5 m (172 ft)
Length overall
15 knots
Maximum speed
12 knots
Cruising speed
6,000 nm
Range

Monte Carlo, Monaco — 23 September 2026 · world premiere at the Monaco Yacht Show.

Gray Wolf, the first Virtus XP and the largest yacht Mengi Yay has built, comes to Port Hercule for her international debut.

An international debut at Port Hercule

Mengi Yay says Gray Wolf is expected to make her international debut at the 2026 Monaco Yacht Show. She was launched as NB 113 on Sunday 5 April 2026 at the yard's Tuzla facilities. At 52.5 metres (172 feet) she is the largest yacht the shipyard has built, and now its flagship.

Built for demanding seas

A steel hull and aluminium superstructure sit on engineering the yard describes as suited to demanding sea conditions. She holds RINA C+ Hull, MACH and YCh Unrestricted classification and complies with the REG Yacht Code, DMS and Ice Class Comfort Class standards.

Gray Wolf's four decks seen from the water at dusk, her interiors lit through full-height glazing
Lit from within.

Six thousand miles at ten knots

Mengi Yay quotes a maximum of 15 knots, a cruise of 12, and roughly 6,000 nautical miles at 10 knots. She carries over 65,000 litres of fuel, 15,000 litres of fresh water and 11,500 litres of black and grey water.

Drawn by VYD Studio

Interior and exterior design are both by VYD Studio. Naval architecture and engineering calculations were developed by Van Oossanen Naval Architects.

Technical specifications

By the numbers

11 specifications, with a source linked on each row. Reference: www.mengiyay.com.

Mengi Yay Virtus XP NB 113 – Gray Wolf specifications
Length overall52.5 m (172 ft)
HullSteel
SuperstructureAluminium
Maximum speed15 knots
Cruising speed12 knots
Range6,000 nm at 10 knots
Fuel capacityOver 65,000 litres
Fresh water15,000 litres
ClassificationRINA C+ Hull, MACH, YCh Unrestricted
DesignVYD Studio
Naval architectureVan Oossanen Naval Architects

Availability

Explore Mengi Yay on MarineSource

Debut confirmed by mengiyay.com.

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About Mengi Yay

Mengi Yay calls the Virtus XP the largest yacht it has ever built. mengiyay.com