Seller's Description
Beneteau Oceanis 500
There was a five year period that Beneteau said they built their best hulls and 1989 was one of those years. When you sail on Aletheia you will see why they felt this way: she loves to sail.
For more information and photos see YachtX.com.
Equipment: Updates: 2019 - 2 Raymarine Axiom touch screen Chart plotters (nav station and main helm), Raymarine Quantum 24 mile radar (blue tooth capable), A.I.S, Vitrifrego VFree chest fridge/freezer, spray hood/dodger, stainless steel davits, twin solar panels, 350w inverter, 12ft inflatable foldable dingy with aluminum floor boards.
2020/21 - Hood main sail (4 battens 3 reefs), all standing rigging replaced with dyform cable, all running rigging, batteries increase from 480 to 675 APH.
2023 kitchen renovated, including new Corian counters, new front load fridge and stainless steel sink
2024 Major retrofit. The keel was removed, sand blasted, refared and re installed, the Mast was removed and new wiring installed (standing rigging was replaced in 2020)
The electrical system was substantially upgraded. Aletheia was originally built with a European 220V system however now also has a 110V system . The upgrades include adding a new lithium 900aph battery bank (3x300) batteries (the system can operate fridges freezers lights fans etc for 50 hours with out any insource of power) new shunt and monitor, 400amp fast charger, 3000watt inverter, 2 new 370 watt solar panels and MPPT controllers. New 120 plugs have been added to the cabins, kitchen and Nav station with built in USB (this is supplied from the 3000w inverter.)The … New shower discharge pumps and a new fresh water pump were also added.
The Perkins engine was hauled out, stripped, sandblasted, painted, reassembled with new gaskets and fittings and reinstalled. It was then fully service and runs beautifully. A rope cutter and a folding prop were also installed which has enhanced performance.
The floor (Sole) was emoted striped sanded varnish and re installed. A new enlarged teak cockpit table was added as was a new wooden cabinet to enclose Vitrigo Vridge /freezer.
Specs
- Designer
- Philippe Briand
- Builder
- Beneteau
- Associations
- ?
- # Built
- ?
- Hull
- Monohull
- Keel
- Wing
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 50′ 0″ / 15.2 m
- Waterline Length
- 44′ 5″ / 13.6 m
- Beam
- 14′ 11″ / 4.6 m
- Draft
- 6′ 0″ / 1.8 m
- Displacement
- 30,700 lb / 13,925 kg
- Ballast
- 10,800 lb / 4,899 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 1,115′² / 103.6 m²
- Total Sail Area
- ?
Mainsail
- Sail Area
- ?
- P
- ?
- E
- ?
- Air Draft
- 63′ 3″ / 19.3 m
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
- Perkins
- Model
- 4-236
- HP
- 85
- Fuel Type
- Diesel
- Fuel Capacity
- 148 gal / 560 l
- Engine Hours
- ?
Accomodations
- Water Capacity
- 265 gal / 1,003 l
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
11.5 kn
Classic: 8.94 kn
Hull Speed
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Formula
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
- Sail Area/Displacement
-
18.2
Sail Area / Displacement Ratio
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
Formula
SA/D = SA ÷ (D ÷ 64)2/3
- SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D: Displacement in pounds.
- Ballast/Displacement
-
35.2
<40: less stiff, less powerful
Ballast / Displacement Ratio
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Formula
Ballast / Displacement * 100
- Displacement/Length
-
155.7
100-200: light
Displacement / Length Ratio
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
Formula
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
- Comfort Ratio
-
26.3
20-30: coastal cruiser
Comfort Ratio
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Formula
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
- D: Displacement of the boat in pounds
- LWL: Waterline length in feet
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
- Capsize Screening
-
2.0
<2.0: better suited for ocean passages
Capsize Screening Formula
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
Formula
CSV = Beam ÷ ³√(D / 64)
- Beam: Width of boat at the widest point in feet
- D: Displacement of the boat in pounds
Notes
From original builders brochure.
Charter version sold as MOORINGS 500, PRESTIGE 500.
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