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Nauticat 525 is a Offshore motorsailer built by Nauticat Yachts and designed by Siltala Design Office. Her first hull was built in 2010 with an overall lengh of 16.65 m or 54.7 ft long and a Keel stepped mast mast configuration.

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NAUTICAT 525 Sailboat Specifications​


Overall Length (LOA) m / ft16.65 m / 54.7 ft
Builder(s)Nauticat Yachts
Designer(s)Siltala Design Office
categoryOffshore motorsailer
Hull TypeMonohull
First Hull Built2010
Last Hull Built2018
AppendagesKeel semi-full keel
HelmTwin helm wheels
RudderSingle semi-spade rudder
CockpitRaised aft cockpit
Rigging TypeKetch Marconi masthead
Mast LayoutKeel stepped mast
Freshwater Tank Capacity lt/gal1650 L / 435.9 gal
Ballast Ratio36.25


Overall Length (LOA) 16.65 m / 54.7 ft
Hull Length15.9 m / 52.2 ft
Waterline Length (LWL)12.2 m / 40 ft
Beam (width)4.6 m / 15.1 ft
Draft2.2 m / 7.2 ft
Fore Freeboard1.75 m / 5.8 ft
Mid-Ship Freeboard1.65 / 5.5 ft
Light Displacement (MLC) 24000 kg / 52911 lb
Maximum Displacement24000 kg / 52911 lb
Ballast Weight8700 kg / 19180 lb


Critical Hull Speed8.48 knots
Capsize Screening Formula (CSF)1.61
Comfort Ratio50.44
Displacement-Length Ratio (DLR)374
Ballast Ratio36.25
Sail Area to Displacement17.39
Upwind Sail Area to Displacement17.03 m²/T / 183 ft²/T
Downwind Sail Area to Displacement32.58 m²/T / 351 ft²/T

Above Deck

Mast LayoutKeel stepped mast
Mast Height from DWL23.5 m / 77.1 ft
Rotating SparsNo
Number of Levels of Spreaders3
Spreaders Angle0 °
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire
Reported Sail Area141.70 m² / 1525.25 ft²
Upwind Sail Area141.7 m² / 1525 ft²
Downwind Sail Area271.1 m² / 2918 ft²
Mainsail Area43.1 m² / 464 ft²
Genoa Area78.6 m² / 846 ft²

Engine Room

Engine(s)1 inboard engine
Engine(s) Power150 HP
Fuel typeDiesel
Fuel Tank Capacity1570 L / 414.8 gal

Below Deck

Fridge Capacity180 L / 47.6 gal
Maximum Headroom6.46 ft * 1.97 m