Perini Navi 52M TAMSEN

SPECIFICATIONS

Builder: Perini Navi

LOA: 52.41m (171' 9")

Beam: 10.30m (33' 8")

Draft: 8.39m (27' 6")

GT: 463 Year: 2007

Refit: 2022 / 2026

Accommodations: 15 guests in 5 cabins

Crew: 13

PRINCIPAL CHARACTERISTICS

Builder: Perini Navi

Type: Ketch

Hull No: C2094

Year: 2007

Naval Architect: Perini Navi

Interior Design: Perini Navi

Hull Colour: Awlgrip dark blue with gold cove stripe

Superstructure Colour: Off white with black window surround

Construction: Steel with aluminium superstructure

Decks: Teak

Registry: Cayman Islands

Classification: ABS A1 Yachting Services, AMS

PRINCIPAL DIMENSIONS

LOA: 52.41m (171' 9")

LWL: 41.00m (134’5”)

Beam: 10.30m (33’8”)

Draft (Keel up): 3.41m (11’2”)

Draft (Keel down): 8.39m (27' 6")

Sail Area: 1,170 sq M

Gross Tonnage: 463

Net Tonnage: 138

Swing keel: 40 tons

Fixed ballast in sealed tanks: 37 tons

ACCOMMODATIONS

Guest accommodation for 15 guests in 5 cabins:

• Master aft and starboard aft have queen berths


• Port aft has 2 x singles and a pullman


• Port forward has a double, upper bunk and pullman


• Stbd forward has a double, single and pullman

Crew accommodation for up to 13 crew (subject to couples sharing):

• 2 x Forward with 2 bunks


• 1 x Forward with 4 bunks


• 1 x Forward with a double berth


• Captain’s cabin with double berth to port of bridge


• Engineer’s cabin in lazarette with 1 bunk

INTERIOR LAYOUT

Guest Areas:

• Access from crew area via port forward cabin and from main salon stairs


• Central main foyer with access to all 5 cabins each with separate head


• Master cabin is full beam

Main Deck:

• Galley forward to port and casual dining to starboard


• Forward stairs to crew


• Starboard passageway/foyer to aft salon


• Stairs to bridge in foyer starboard


• Stairs down to guest from foyer


• Salon forward is full beam


• Dining aft with large table for 12 full beam


• Starboard aft day head


• Port aft ER entrance


• Port and starboard doors to cockpit

Bridge:

• Stairs up from starboard foyer


• Centreline stairs aft to flybridge


• Large console forward


• Port side stairs to captain’s cabin

Forward Crew Area:

• 4 x Crew cabins forward each with head


• Centreline stairs to foredeck hatch


• Starboard side luggage store


• Port side table & cushioned seating


• Centreline stairs to galley lounge


• Centreline passage aft to port guest cabin door


• Starboard stairs down to laundry, cold stores and pump room


• Port side day head in passageway

CLASS / MCA

Classification: ABS A1 Yachting Services, AMS

Class special survey completed: 18^thMay 2022

Designed & built in compliance with UK Mega Yacht Code for Under 500 Tons

Record of Equipment for Charter Yacht over 24 m

Cayman Islands – LY3 Letter issued 22 May 2019

Vessel has never been registered commercial

TANK CAPACITIES

Total Fuel Capacity: 45,700 L

Black Tank: 2,030 L

Grey Tank: 2,030 L

Fresh Water Tanks: 2 x 6000 L

Bilge Water Tank: 1,590 L

Lube Oil Tank: 570 L + 970 L

Dirty Oil Tank: 960 L

Sludge Tank: 1,450 L

Glycol Tank: 1,060 L

Hydraulic Oil Tanks: 732 L + 1,450 L

MAIN ENGINES

Manufacturer: 2 x Caterpillar

Model: C32

Port Running Hours: 25,000 (Feb 2026)

Starboard Running Hours: 25,000 (Feb 2026)

Rating: 820 kW @ 2100 RPM

Gear: ZF 2560 NR GLL

Ratio: 4.791:1

Coupling: Vulcan

GENERATORS

Manufacturer: 3 x Northern Lights John Deere 4-Cylinder

Model: M1064H/90KW

Output: 90 kW - 400-volt AC, 3-phase, 50 hertz, 170 amp

Port Gen Hours: 36,701 (Feb 2026)

Centre Gen Hours: 36,986 (Feb 2026) Starboard Gen Hours: 36,594 (Feb 2026)

Emergency Generator: Northern Light

Model: 4ADEC 2.491DZ

Output: 29.4 kW, 400-volt AC, 3-phase, 50 hertz

Emergency Gen Hours: 135 (Feb 2026)

ELECTRICAL SYSTEMS

AC: 230/400 V 50Hz

DC: 24 V

Shore power: ASEA AC 100SV3 100KVA

Atlas Converter: 110V / 60Hz 10 KVA Atlas frequency converter

Sockets: 110V US sockets throughout

Main Engine Starter Batteries: 2 x 24V banks

Main Generator Starter Batteries: 3 x 24V banks

Emergency Generator Starter Batteries: 1 x 24V banks

Radio Batteries: 2 x 24V 200 AH

Emergency Batteries: 12 x 24V 360 AH

House Batteries: 6 x 24V 250 AH

SPARS & RIGGING

Masts: Aluminium

Booms: Carbon Fiber

Main Mast: 5 x Spreader keel stepped with hydraulic jacking system

Mizzen Mast: 4 x Spreader deck stepped with hydraulic jacking system

Tender Lift: Aluminium pole on front of main mast

Booms: 2 x Carbon fibre with carbon fibre mandrels and electric drive motors at outboard end

Crow’s Nest: Stainless steel cage with teak deck grate running on two tracks to third spreader

Standard Rigging: Stainless steel rod by OYS

Running Rigging: All Spectra cordage (exception of some service halyards)

Main Mast Winch: Harken 1110 electric

Mizzen Mast Winch: Harken 1110 electric

Aft Deck: 2 x Nanni electric capstans

Main Mast: 2 x Antal 66 Manual

Captive Reel Winches: Perini Navi

• Genoa Sheets Captive Winches: 2 x VFD


• Staysail Sheet Captive Winches: 1 x VFD


• Main Sheet Captive Winches: 2 x VFD


• Main Halyard Captive Winches: 1 x VFD


• Mizzen Sheets Captive Winches: 2 x VFD


• Small Runner Foreguy Captive Winches: 2


• Main Mast Runners Captive Winches: 2 x VFD

Furlers

• Genoa –VFD Fail safe for hydraulics (furlers are electric)


• Staysail –VFD


• Both furlers have manual functions

Booms

• Both Carbon fiber with Carbon boom mandrels


• Boom motors electric with – VFD


• Both have hydraulic locks


• Manual driver system for each

Hydraulic Rams

• 2 x Hydraulic boom vangs


• 2 x Mizzen backstays


• 2 x Main backstays (manual with locking valves)

Tender Lift Winches

• 4 x Captive reel winches with no cross feeders


• Each fitted with VFD


• They include port and starboard guys, pole lift and tender lift

SAILS

All New Sails (May 2026) Doyle - Stratis

Main sail fully battened

Mizzen sail fully battened

Genoa

Staysail

RUNNING GEAR

Controllable pitch propeller (CPP)

Propellers: Bronze 3-bladed control pitch, 1500 mm diameter

Shafts: 145mm; aft area: 134mm forward bearing

Rope guards between aft strut and propellers

Shafts: Steel Kongsburg

Bearings: 2 x Wartsila Composite

Shaft brushes

Shaft brakes

Shaft seal: Wartsila – Sea water fed with bladder

Mechanical pumps off each gearbox

2 x 3 kW electric pump

Oil cooled via heat exchanger on each engine

Pitch controlled with main engine throttle - 3 stations plus in the ECR

STEERING GEAR

Bow Thruster: ABT TRAC 110kw at 50Hz

Steering Manufacturer: Marsilli

Type: Electric-Hydraulic

No. Of Stations: 3

Wheelhouse: Rudder angle indicator & jog steering and tiller control

Flybridge: 2 x helms with rudder angle indicator

Autopilot: Sperry Marine

Steering pumps: 2 x 7.5 kW each

Emergency Steering: Direct & electronic rudder angle indicator, gyro compass and wheelhouse feedback

RUDDERS & BEARINGS

Stock: 228 mm diameter FE 510 SS

Blade: Balanced steel

Seals: O-ring seals

Bushings: Bronze upper and lower

Top Bearing: Roller SKF type

KEEL

2 x 4kW motors and submersed hydraulic pumps with reservoir

Centreboard is steel construction with lead ballast

Control indication both stations

Single hydraulic ram

Centreboard pin - grease packed SKF bearing

Track above the centreboard - covers the aperture when keel in down position

Removable plate at forward end and bottom of keel aperture

Removable access hatches on top of keel box in guest passageway

FUEL SYSTEM

Screens in the ECR, crew mess and wheelhouse

Additional sounding plugs with Gems type tapes

Sight glasses in day fuel tank

Transfer Pumps: 2 x Gianneschi ACM311BTT

Fuel Oil Counters: 2 x Veeder-Root S.A.M.P.I.

Centrifuge: Alpha Laval MAB

SOS Valves: 2 x Day tank supply & Tender fuel valve supply

Tender Fuelling: 2 x K33 Gianneschi pump lazarette

Main Engine Fuel Filter: Racor 1000MA

Waste Oil Pumps: 3 x 1.5kW Gianneschi & Ramissciottti

Oil Water Separator: DVZ 250 FUS Oil Chief 130 L

FRESH WATER SYSTEM

Tank Monitoring: Perini Navi MS

Silver Ion: Silver Angel (New May 2026) Octo Marine Hydrasil

UV Sterilizer: Idromar

Pumps: 2 x Gianneschi & Ramisciotti 3kW 60 L/H

Hot Water Heaters: 3 x Gianneschi & Ramisciotti (2 x 300 L + 1 x 270 L)

Hot Water Circulation Pump: 2 x Wilo 240/7RG

Water Makers: 2 x Idromar IDM 9 (9,600 L / Day)

WASTE WATER TREATMENT

Toilets: 14 x Jets

Waste Treatment: Hamman HL CONT

System Vacuum Pumps: 3 x Jets

4 x separate lines for redundancy

BILGE & FIRE SYSTEM

Bilge Systems: Primary AC & secondary DC

Bilge & Fire Pump: 2 x Gianneschi & Ramisciotti 7.5kW, ACM 502 BT

Emergency Pump: Gianneschi & Ramisciotti 7.5kW, ACM 502 BT

DC System: 9 x G&R submersibles with 1 x diaphragm

Fire Hydrants: 6

COMPRESSED AIR SYSTEM

Compressors: 2 x Matteri ERC23

Receiver Tanks: 1 x 150 L

Air Dryer: Ceccata DLX9

Air Filter: Bosch

Tanks: 3 additional accumulators

Dive Compressor: Bauer Capitano 140E 225 Bar

AIR CONDITIONING

AC System: Condaria

Cooling Capacity: 150,000 kcal / hour

Heating Capacity: 3 x 17 kW heaters

Chillers: 2 x 30hp Cerrier-Copeland Compressors

Refrigerant: R407

Seawater Pumps: 2 x 2kW

Chilled Water Pumps: 2 x 2kW

Make Up Air: 2 x 30,000 kcal / hour

Fan Coils: 35

Extractor Fans: 6

Engine Room Ventilation: 4 x Ventilation fans

Dampers: Bellimo 24V

GALLEY

AngeloPo 6-burner stove top

AngeloPo oven

Miele Oven

OmniWASH dishwasher

Single stainless-steel sink with ISE disposal

Double stainless-steel sink with ISE disposal

AEG microwave

Hoshizaki icemaker

Overhead exhaust fan with fire extinguishing system in hood

Custom built in refrigerators

Flybridge 2 x Cold drawers

Flybridge refrigerator

Flybridge Sink

Flybridge Eskimo Commercial icemaker with sea water pump & 43-liter tank

FRIDGES / FREEZERS

Manufacturer: Francesconi

Front loading freezer in galley

5 x Front loading fridges in galley

9 x Fridge drawers in galley

Walk in fridge and freezer in laundry

2 x Semi-hermetic Compressors are sealed type Franscold

Refrigerant R404a

2 x Glycol pumps with header tank & sight gauges

Lazarette chest freezer

Lazarette Liebher bar fridge

LAUNDRY

2 x PT7136 dryers

2 x PW6065 washers

Stainless steel sink

Lazarette Miele washer and dryer

SAFETY EQUIPMENT

4 x Canister life rafts with hydrostatic releases (2 x 16 & 2 x 25 person SOLAS A pack)

32 x Immersion survival suits

2 x 406 MHz EPIRB

2 x SARTs

77 x Personal flotation devices

4 x Orange man overboard throw rings

2 x Man overboard smoke buoys

2 x Aft rail mounted Jonbouy

2 x Line throwing apparatus

Stretcher

2 x Search lights

2 x Safety Harnesses with PLB

1 x Solas Signal Lamp

FIREFIGHTING EQUIPMENT

Notifier smoke detection system

2 x Firefighting suits with air bottles and masks

Fire blanket

Fire axe

7 x 5 kg CO2 extinguishers

33 x 2 kg powder extinguishers

18 kg CO2 extinguishers

9-liter AFFF extinguishers

CO2 fire suppression system for the main galley ventilation system

CO2 fire suppression system for ER

Emergency shutdown system for make-up air and interior ventilation

5 x Seawater firefighting outlets with 18 m hoses

International fire flange

Interior sprinkler system 5 zones and 32 heads

ENGINE ROOM SAFETY EQUIPMENT

22 kg CO2 fire suppression system with portable hose

5 x Handheld portable fire extinguishers

2 x Overhead smoke detectors

Overhead fire alarm bell

Overhead flashing red light

Overhead siren

Rotating flashing light bar

Seawater fire hydrant with hose, aft to port

DECK EQUIPMENT

Jacuzzi

Passarelle Motomar telescopic

14 x Mooring cleats

16 x Fairleads

Anchor Windlasses: 2 x Nanni vertical capstan

Anchor Chains: 2 x 6 shackles 22mm galvanized steel

Anchor Wash: From fire main saltwater

Anchors: 2 x 570kg

Aft Capstans: 2 x Nanni electric capstans

NAVIGATION EQUIPMENT

Flybridge Port Side:

• Intercom


• 2 x B&G Hercules 2000


• Furuno LCD sounder FCV-11002


• 14" Monitor with mouse


• C-Plath Navi Pilot V HSC with rudder angle indicator


• Icon Commandmic II VHF Repeater

Flybridge Starboard Side:

• Intercom


• Furuno VHF model IC-M504


• 2 x B&G 2000


• Furuno GPS Nav GP-170


• C-Plath Navi Pilot V HSC with rudder angle indicator


• Icon Commandmic II VHF Repeater


• Sail Control Panel

Flybridge Forward:

• 2 x B&G 20/20


• 5 x B&G analogue - magnified & apparent wind, wind speed, depth, boat speed

Bridge:

• C-Plath magnetic compass


• 4 x B&G analogue - apparent wind, wind speed, depth, boat speed


• 2 x Furuno VHF (port)


• 2 x Furuno Radars


• Furuno VHF


• Furuno AIS model FA-100


• Furuno Doppler speed


• 2 x B&G Hercules 2000


• Gyro repeater


• Navi Pilot V autopilot with rudder angle indicator


• Furuno GPS GP-90


• 4 x 15" monitors


• Sail Control Panel

Chart Table in Bridge:

• 15” monitor


• Clock and barometer


• Sat C Furuno with monitor and printer


• Navtec NX700


• Furuno SSB


• 6 x HH VHF

Captain's Office:

• Lars Thrane and Thrane Sat phone


• B&G Hercules 2000


• Printer


• Computer - monitor

Crew:

• B&G readout


• Intercom


• Monitor

Master:

• B&G

Antennas:

• 2 x Radar scanners


• 2 x Domes on main mast, with Starlink


• 2 x VSAT domes Model 4009 and 4004

Satellite Communication:

• Panasonic PABX


• Lars


• 2 x Sea-Tel V-SAT dome (Non-operational)


• 2 x Starlink


• Satcom C for GMDSS


• Wireless network throughout with 9 routers


• Kerio controller


• 10 X UPS

Grab Bags (2):

• Hand held Iridium


• Hand held VHF


• Hand held GPS


• SART


• EPIRB

AV EQUIPMENT

5 x CCTV cameras and 3 NVR (Network Video Recorders)

Surround sound in owner's stateroom and salon

TV's in all guest cabins, main salon and crew's quarters

Roku Ultra HD 4K Media Players

Mac Mini media server

10 Wireless access points

TENDERS

2 x Pascoe 7.4m Shuttle with Yanmar 6LPA ST2P Diesel

REFIT HISTORY

2018 / 2019

• Rig removal – Complete rig rebuilds and repaint


• Full vessel repaint in Awlgrip


• Main engines (at 18,500 hours) top end rebuilds


• 2 x CUGO fresh air make up units with dehumidifier re-heaters


• Main deck windows replaced


• Pilot house windows replaced


• Sails sent to MFG for cleaning and refurbishing


• New Bottom Paint


• New Shaft Bearings


• New Vulcan Coupler


• New Main Engine Mounts


• New DG mounts (front only)


• New tender tubes (both tenders)


• Major Engine service to both tenders


• Deck Caulking Aft Deck, Gunnels and Bow portion to the wave break


• Sail System PLC Upgrade

2022

• Special class survey completed


• Anti-fouling – New May 2022


• PropSpeed anti-fouling on both propellers and both shafts, bow thruster propeller and stainless-steel stem fitting


• Anodes replaced


• All sea valves serviced or replaced as necessary per ABS


• 4 x Wartsila composite bearings, aft end of each shaft tube and each strut


• Oil change in both OD boxes


• Alignment check


• Prop hubs disassembled, inspected and re-greased


• Rolls Royce with ABS shaft examination


• Shaft seals re-conditioned


• Rudder dropped to measure bearings


• Oil change on bow thruster drive unit


• All fuel tanks opened and cleaned


• Fresh water tanks opened and cleaned with paint touch ups


• Black / grey water tanks opened and cleaned with paint touch ups


• All new toilet seats


• Oily water separator tested with PPM alarm calibrated


• AC Chiller upgrade, with 2 x new sea water & 2 x new chilled water pumps


• 2 x new titanium AC condensers


• All fan coils cleaned and serviced


• Ducting cleaned and certified


• Galley ducting cleaned and certified


• Generators all had top-end overhaul (around 13,000 hours)


• Generators new exhaust spray rings


• 8 x New generator exhaust valve bodies


• Major maintenance to MSB, ES & sub-panels


• AC & DC ground faults chased & rectified


• Powder coat deck plates


• Extensive machinery painting & touch-ups


• Re-paint and re-conditioning of several deck lockers


• Major rebuild to guest tender


• Major works to the sprinkler system to align with class / flag requirements

2023

• General service of fuel and cooling system


• Gyro major service


• TVRO domes – antennas removed and replaced with Starlink


• Video matrix for monitors replaced


• World Spar Services Rig survey


• Ship’s Monitoring System Upgrade by Fincantieri from SCADA Marine Portal supervision system TO latest Marine Portal Legacy System with 3 new computers, new PLCs, new server

2024

• Compressed air system serviced


• World Spar Services rig survey

2025 - 2026

• New anti-fouling


• New anodes


• Lowered keel into pit and repainted keel and trunk


• Cut insert in port black tank as per ABS recommendation, blasted and repainted


• Bow thruster oil change


• Rudder bump tested


• Propeller shaft bearings measured


• Replaced all underwater lighting


• Shell door removed, serviced and reinstalled


• Port engine room ventilation duct opened and painted


• Bulkhead 27 (forward of bow thruster) steel section cut and replaced


• Port side pump room emptied to replace CuNI black water piping


• Generators: new wiring harnesses installed


• Generators – DEIF system complete upgrade


• AMS maintenance


• Main Engine Exhaust risers rebuild


• Spray rings replaced


• Replaced components of Kongsberg pitch control system


• Upgraded Silver Ion treatment for fresh water


• Cleaned calcium build up in all black water lines


• Rebuild of CUGE make up air units (x2)


• Rebuild AC Shore Power Convertor


• Sails – New Set to be delivered May 2026 – Doyle Stratis