About S/Y Sea of Joy

Welcome on board of S/Y Sea of Joy

On this page you find information about our boat, an Alubat Ovni 435
Callsign: OEX6720
MMSI: 203114200

new cruising stories:  https://soj.rupertnagler.com/

Where is Sea of Joy now? actual position via AIS on marineTraffic

Facebook: https://www.facebook.com/seaof.joy.7
Twitter: https://twitter.com/sailSoj

Homepage: https://soj.rupertnagler.com/

Skipper: Rupert Nagler, RYA/MCA Yachtmaster Ocean, Cert.No.4473
Handy Austria: +43 650 2287001

Technical data Sea of Joy

Name of boat: Sea of Joy
Type: Sailing yacht
Material: Aluminium
Serial name: Ovni 435
Builder : Chantier Alubat, France
Year of construction: 2003
Length: 12,90 m
Max. width: 4,22m
Max. draught: 2,55m
Min. draught: 0,75m
Length at waterline: 10,59m
Mast height: 18,20m
3 cabins / 6 berth
Light displacement: 10300 kg
Gross tonnage 16,77
Crane weight: 13500 kg
Ballast: 3.600kg (inside hull)
Sail area: 88m2
Water tanks: 300L
Gasoil tanks: 550L
Waste tank: 55L
Engine: Diesel, Volvo Penta, D2-55, 40,45 kW / 55 HP
C.E. Approval Class: A / 8 Person
Flag: Austrian 

Sea of Joy is a sturdy sailboat type Alubat Ovni 435 made of aluminum with an integral keel. As "Blue Water Edition" she is ideally suited for long ocean journeys. She is 13 m long, 4.2 m wide and displaces more than 10 t. Her draft is usually 2.6 m, but can hydraulically reduced  to less than 1m.

Up to 1 cm thick aluminum plates in sturdy hard chine design and 3.6 t ballast ensure stability and safety.
She was approved on January 16, 2004 with home port Vienna for worldwide travel area 4, CE standard "A" for 8 people.

With her good-natured handling and her high variability, she is not only at home on all oceans, but also in tidal waters, shallow bays, lagoons and rivers: because by folding up keel and rudder hydraulically, she can reduce its draft to a shallow 80 cm and thus even Fall dry on a sandy beach.

About Ovni and Alubat

Ovni is the name of a series of aluminum boats built by the Alubat shipyard in western France.
The Ovni is built in lengths from 34 "to 45" with an aft cockpit.

Chantier Alubat is a shipyard specializing in the construction of aluminum yachts in traditional Les Sables D`Olonne on the Atlantic. The often harsh weather of the Bay of Biscay demands not only seafaring skills, but above all stable boats that are suitable for storms.

By using high-strength seawater-resistant aluminum and the tried and tested construction, these boats are extremely robust and have proven their reputation in many storms. Thanks to the modern manufacturing methods and CE standards, the yachts have the CE classification "A" (approved for worldwide travel).

Ovnis are individually handcrafted to the owner's order and delivered as semi-custom yachts. The advantage of the small series is the proven technology and the stable value retention of the ships. Disadvantages are long waiting queues for a new boat and a nearly empty second-hand market.

The Sea of Joy was exhibited at the "Paris Boat Show" in December 2003 and at the "Boot 2004" in Düsseldorf.

In February 2004 she was launched in Portoroz, Slovenjia.




A foldable spray hood and a large bimini protect against sun and rain. In cold areas, diesel circulating air heating ensures cozy warmth. A large seawater-cooled freezer and a two-burner gas stove with an oven enable sophisticated culinary delights. 4 + 1 gel batteries, solar cells, a wind generator and a seawater desalination system make you independent. She has 300L water tanks and a hot water boiler.

The diesel tanks have a total capacity of 550L. A diesel engine D2-55 from Volvo-Penta with 55 HP consumes around 3 L per hour and, with a clockwise MaxProp propeller, ensures a cruising speed of over 6kn. If necessary, she can cover a distance of 1200 nautical miles with the engine running alone.

But Sea of ​​Joy prefers to sail under sail, of course: At the 18m high mast it has a sail area of ​​88m2 with furling genoa and battened mainsail with 3 reefs. There is also a extra heavy storm fockl, a rollable cutter sail, an asymmetrical spinnaker with 108m2, and a symmetric Parasailor2 spinnacker with 140m2. If she then surfs in front of the wind, over 10kn is no witchcraft. A 30kg shackle anchor with 100m stainless steel anchor chain on the electric windlass at the front and a stern anchor with 25 kg ensure a secure hold at all anchorages. With the Zodiac dinghy with a fixed hull and an electric Torqeedo 1103 outboard motor, the crew comes ashore in an environmentally friendly way.

Her crew reliably steers her by mechanical wheel or a strong hydraulic autopilot and a large ship's compass. Professional navigation electronics with autopilot, GPS, radar, AIS and chart plotter from Simrad provide support. Of course, the Sea of ​​Joy has more than the prescribed safety equipment: life raft, automatic life jackets, safety lines, signal rockets, light buoys, life tires, emergency tiller, sea anchor, active/passive AIS, GMDSS radio, EPIRB COSPAS-SARSAT emergency transmitter with integrated GPS.

Here you will find all standard equipment details: pdf 
List of additional extras:
  • Windgenerator Air-X 400W @ 25Kn wind speed
  • 2x Solarpanel NAPS NP52RSS a 52W
  • Watermaker Ventura 150deLuxe 18l/h
  • Refrigerator 150l with energy-saving seawater cooling
  • Heating Eberspächer Airtronic D
  • 2x 150l Fresh water tanks, coated with antibacterial ceramics
  • 2 Fueltanks bB 316l, stB 231l, with easy accessible inspection openings
  • 2 Electric toilets MatroMarine RM
  • All lamps LED 12V
  • Batteries: 4x Exide Gel 105Ah (new 2019), 1x Optima RedTop Starter 50Ah (new 2022)
  • 2 Generators with 60A Greiff controllers
  • 2 Seawater cooling intakes, 2 serial connected seawater filters
  • Spade anchor WaSi GTS A5 30kg with 100m anchorchain A5/10mm (stainless) with electric anchor winch Lofrans 1000W
  • VHF handheld radio Standard Horizon HX890E with GPS and DSC Class-H
  • Active/passive AIS Weatherdoc easyTRX2_IS_A050 with anchor alarm
  • Radar Simrad 62cm Radom RB715A
  • Plotter Simrad CA44
  • Autopilot Simrad AP20, J300X with gyro compass and Lecomble&Schmitt hydraulics
  • Airmar CS4500-610 Ultrasonic Speed & Temperature Sensor
  • Fishfinder echo P319 50kHz und 200kHz
  • Integral centerboard and rudder liftable by hydraulics up to draft less 1m
  • Folding propeller Maxprop EASY 4-blade 457mm/18" E90 (neu 2022)
  • Overdimensioned winches: Lewmar 2x TwoSpeed54, 2x TwoSpeed44, 2x TwoSpeed40, 2xOneSpeed16ST (am Mast)
  • Maststeps up to top of mast
  • Sails: furling genua 53m2, full batten main sail 35m2, stormfock 15m2, rollable cuttersail 35m2, rollable genacker 108m2, Parasailor symmetric Spinnaker 140m2

Inside Sea of Joy

The following pictures show what the Sea of Joy looks like inside:

With 3 cabins and 2 washrooms with toilets and showers, it offers plenty of space for 6 people.

Warm elm wood and Alcantara upholstery create a pleasant atmosphere in the spacious salon.




Dining group for 6-8 people,
navigation table behind





Pantry with 2-burner gas stove and oven,
energy-saving refrigerator, can be opened from above, water-cooled





  2 spacious guest cabins each with 2 berths, boxes and plenty of storage space
 Master's cabin with 2 berths,
watermaker below berths

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