€ 5,450,000

GWEILO Yacht for Sale

155' 6" (47.4m)
Mengi Yay
Asking Price
€ 5,450,000

“GWEILO is a stunning 2009, commercially compliant Dykstra designed, 47m schooner. Built by the renowned craftsmen at Mengi Yay out of a wood epoxy laminate construction, she offers her 8 guests a unique blend of performance and total comfort and security whilst at sea. She is a phenomenally capable world cruising yacht, that has been extensively refitted in 2021/22 and is to be found in stunning condition and quite simply, ready for whatever adventure awaits her next”.

Northrop and Johnson is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Fraser Yachts. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel


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Builder Mengi Yay
Length (LOA) 155' 6" (47.4m)
Year 2009
Year Refit 2022
Gross Tonn. 157
Draft 15' 5" (4.70m)
Beam 27' 4" (8.35m)
Location Genoa, Italy


Staterooms 3
Sleeps 8
Crew Cabins 4
Crew Sleeps 7
Capt. Quarters No

Dimensions & Capacity

LOA 155' 6" (47.4m)
LWL 98' (29.7m)
Max Draft 15' 5" (4.70m)
Fuel Tank 2,642 g (10,000 L)
Fresh Water 1,057 g (4,000 L)
Gross Tonn. 157
Displacement 184


Hull Material Wood
Ext. Designer dykstra & partners
Int. Designer hakan ezel
Max Speed 13 Knots
Cruising Speed 11 Knots
Stabilizers None


Engine Model 3406E
Power HP 550
Power KW 410
Fuel Type Diesel
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Full Details

Other Machinery

  • Water Makers: 220 Litres / hr 58 Gallons
  • Waste Oil: 300 Litres 79 Gallons
  • Shore Power Converter: NO
  • Shore Power Transformer: Yes
  • Battery Chargers: Mastervolt
  • UPS(uninterruptible power supplies): 1 SCHNEIDER for Nav Equipment and Fire Alarm
  • Under Water Lights: UNDERWATERLIGHTS “ultimate80”
  • Engine Controls: KWANT Electronic 
  • Fuel Filters: SEPAR
  • Fuel Oil Separator: ALFA LAVAL
  • Fuel Transfer Pump: GIANNESCHI
  • Fuel Filling Pump: GIANNESCHI
  • Bunkering Station: Yes
  • Oily Bilge Water Separator: ALFA NAVAL
  • Dirty Oil Pump: YES
  • Lubrication Oil Pump: YES
  • Firefighting & Bilge Pump: 380 / 24v Bilge + Fire
  • Fresh Water Makers: SEA RECOVERY AQUA WHESPER 220 l/h
  • Fresh Water Treatment: Decommissioned
  • Fresh Water Pressure: GIANNESCHI
  • Hot & Cold Circulation Pump: GIANNESCHI
  • Hot Water Boilers: GNR x 2 Tanks. Capacity 200 litres each
  • Sea Water Pumps: CALPEDA
  • Black & Grey Water Treatment: HAMMAN
  • WC's (toilets/bidets): TECHMA
  • Sanitary Water System: HAMANN 700L
  • Black & Grey Water Pumps: GIANNESCHI
  • Garbage Compactor: Yes
  • AC & Ventilation System
  • Air Compressor: KAHLENBERG
  • Air Handling Units: VEGA Mk2
  • Provision Refrigeration: LIEBHERR
  • Engine Room AC: MARINECOLD
  • Engine Room Ventilation: Yes
  • Galley Ventilation & Extraction: Yes
  • Hydraulic System
  • Hydraulic Power Packs: SEAWAY
  • Antifouling System
  • Type: CATHELCO


  • Master Stateroom
  • Twin stateroom with 2 Pullmans
  • Double Stateroom

Saloon: Full beam saloon with port side C-shaped lounge area and starboard dining table 
Deckhouse: C shaped settee and table to port. Chart table and navigation equipment to starboard
Lower Saloon: U shaped seating area set to port with additional dining area on the starboard side

Galley & Laundry Equipment


  • Cooking Equipment: GAGGENEAU Induction cooker + BBQ Grill/Oil frier option
  • Coffee Machine Nespresso capsules + American filter
  • Refrigeration/Freezer: 2 x LIEBEHR
  • Microwave / Oven GAGGENEAU
  • Dishwasher: MIELE professional 
  • Dryer: MIELE professional


  • Refrigeration/Freezer: 1 fridge +1 freezer LIEBHERR
  • Other: Red and White Fridge VINIDOR + icemaker


  • Microwave: GAGGENAU
  • Refrigeration/Freezer: 2 fridges+ 1 freezer Liebherr
  • Dishwasher: MIELE professional
  • Main Laundry Equipment: MIELE WASHER AND DRYER
  • Crew Laundry Equipment: MIELE WASHER AND DRYER

Communication Equipment

  • INMARSAT – C: SAILOR MINI SAT C Decommissioned
  • VHF Radiotelephones: SIMRAD RS87 DSC
  • Portable VHF: ICOM
  • Portable GMDSS VHF: SIMRAD
  • VHF/UHF Digital Radios: ICOM
  • Radar Transponders: SIMRAD
  • Navtex Receiver: FURUNO
  • GMDSS Battery Plant: Yes

Navigation Equipment

  • Monitors: HATTELAND
  • X-Band Radar: SIMRAD
  • Chart Plotter: SIMRAD OP40
  • Magnetic Compass: SUUNTO
  • Gyrocompass: SIMRAD 4/5
  • Auto Pilot: SIMRAD AP 25
  • Rudder Angle Indicator System: SIOEN
  • Echo Sounder: B 24 M8000
  • Speed Log: B 24 M8000
  • Depth Sounder: AIRMAR
  • BNWAS Marble
  • Wind Instruments: B&G
  • Horn: AIR
  • Search Lights: 2
  • Bridge Navigation Watch Alarm: Marble
  • Ships Computer: Ship’s PC wireless network 84 router

Entertainment Equipment

  • TV: Sony
  • Audio Equipment: Bose
  • Light Management: Traditional
  • Main Salon: TV + Audio
  • Master Stateroom: TV + Audio
  • VIP Stateroom: TV + Audio
  • Guest Staterooms: TV + Audio
  • Exterior, Aft Deck, Wheelhouse: Audio
  • Captain’s Cabin: TV
  • Crew Mess: TV
  • WIFI: 4G/5G

Tenders & Toys

  • Tenders: CASTOLDI 18’ / 115 Hp YANMAR engine 

Deck Equipment

  • Anchors: 2 SS Custom Made
  • Anchor Windlass System: MAXWELL 6000 WINDLASS X 2 19MM
  • Passerelle: Hydraulic stainless steel by EZBERCI MARINE
  • Side Boarding Ladder: Stbd side hydraulic ladder by EZBERCI MARINE
  • Swimming Ladder: Included in stern passerelle and sideboarding ladder
  • Spotlights: 2
  • Paint Exterior: AWLGRIP
  • Paint Interior: AWL GRIP VARNISH
  • Paint Underwater: JOTUN

Rigs & Sails

  • Masts: 2
  • Type of masts: Formula Yacht Spars Aluminium
  • Booms: Formula Yacht Spars Aluminium
  • Standing rigging/Running rigging: Nitronic Rod Rigging / 2022 new DSK99 sleeved running rigging
  • Reefing Slab
  • Sails: ZAOLI (New May 2022)
  • Furlers HARKEN Hydraulic
  • Winches: HARKEN Hydraulic

Safety & Security Equipment

  • Safety Equipment Full MCA commercially compliant inventory
  • CCTV: Decommissioned
  • Monitors: Decommissioned
  • Motion Sensors: 1
  • Ship’s Safe: 1
  • Doorbell/stew bell: 1+1
  • Fixed Firefighting System: FM 200 ENGINE ROOM
  • Firefighting Equipment: Emergency Crash pump diesel, Gianeschi 24V pump, Gianeschi 380V
  • Gas Detection: Yes
  • Smoke Detection: Yes
  • Fire Alarm: TYCO MINERVA T2000
  • Alarms: Yes
  • MOB Boat: Yes
  • Life Rafts: 4 
  • Breathing Apparatus: As per flag state requirement
  • Lifejackets: As per flag state requirement
  • Immersion Suits: As per flag state requirement
  • Life Rings: As per flag state requirement
  • EPIRB: As per flag state requirement
  • SART: As per flag state requirement
  • Flares and Signals: As per flag state requirement
  • Medical Equipment: As per flag state requirement

Refit History

REFIT 2021-2022

  • All scupper pipes cleaned. Sitting group and hatch drains replaced with larger diameter
  • Seals of wooden deck hatches and skylights have been replaced
  • All glass in various skylights have been replaced
  • Deck shower hose has been replaced
  • All handrail flanges dismantled and cleaned
  • Capstan and windlass have been serviced and remote controls replaced
  • Fan coil filters have been changed
  • All toilets have been serviced and solenoid valves repaired
  • All overboard valves dismantled and tested with 10 bars. Generator exhaust valves changed with RINA  3.2 certificate
  • Suction valve of diesel pump replaced, and pump serviced
  • Maintenance of 24V Bilge and Fire Fighting pumps serviced and commissioned and hoses replaced
  • Hamann commissioned and serviced
  • Boiler maintenance and expansion tank completed.
  • Black – grey water pumps tested and all waste tanks inspected and cleaned
  • Chain wash pipes replaced with PPR. 24V bilge pump suction lines replaced. Maintenance of the pump  was done, and the pump tested
  • Maintenance and servicing of cooling sea water pumps and hoses replaced
  • Maintenance of cooling freshwater pumps serviced and hoses replaced
  • Maintenance of fuel transfer pumps serviced and commissioned
  • Maintenance of 380V bilge – firefighting pumps serviced. Suction pipes replaced
  • Emergency portable fire\bilge pump tested; exhaust pipe insulation replaced
  • Main engine and generator cooling systems serviced and hoses replaced
  • Fire hoses checked. Fire hydrants and valves replaced
  • Bow thruster serviced and commissioned
  • Maintenance of fresh drinking water pump and pressure switch replaced
  • Hot water circulation pump replaced
  • Fresh water expansion tank flange replaced
  • New Marpol flange fitted
  • Water maker serviced and membranes and filters replaced
  • Water maker feed pump replaced
  • Lazarette deck drainpipes replaced with metal pipes as per class requirement
  • Day fuel tank air vent line installed
  • 24V bilge pumps rubber throttles replaced
  • Air horn hose replaced
  • Boiler anodes replaced
  • New CATHELCO anodes
  • Main engine exhaust inspected and serviced
  • Master stateroom shower and starboard guest cabin shower mixer taps have been replaced
  • Master stateroom toilet pump replaced
  • Black water system inspected, serviced and cleaned
  • All tanks including fuel tanks have been inspected and cleaned
  • Seals of all manholes of the tanks and on the hull has been replaced
  • Full coat of hull paint applied (Awlgrip)
  • Full coat of varnish applied (Awlgrip uv)
  • Full coat of anti-fouling applied (Jotun)
  • Booms have been painted (Awlgrip)
  • Escape hatch from engine room has been replaced
  • All the deck storage lockers have been repainted
  • All the bilges have been cleaned and painted
  • Anodes on the hull have been renewed
  • All stainless-steel on the deck has been polished
  • HARKEN winches on deck have been serviced
  • ALFA LAVAL separator fully serviced
  • Hydraulic lines of the Passerelle have been replaced
  • Full set of new ZAOLI Sails (delivered May 2022)
  • Replacement back stay, four running backstays and the check-stays, including new blocks
  • Main engine and Generators have been serviced
  • RINA class renewal completed in January 2022
  • BNWAS system installed
  • New Carpets throughout
  • New mattress in the starboard side guest cabin
  • CASTOLDI tender and Yanmar engine have been serviced and batteries changed
  • New life rafts (2022)
  • All Fire and safety equipment surveys completed
  • FM200 hydrostatic test complete and approved
  • 3 x New Calpeda pumps have been supplied for A/C chiller unit.
  • 2 x New Rheinstorm 24v bilge pumps have been installed
  • New Can Makina Elektrik PLC Screens and software
  • New 4g/5g Wifi System installed by LocoMarine
  • Cayman Commercial LY2 ready
How to Buy a Yacht Our experienced brokers will assist you throughout your yacht buying journey

Northrop and Johnson is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Fraser Yachts. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel

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