The Austhai 1600 WSI is based on the same proven hull as the 1600 Divecat. It offers a high load bearing hull with exceptional sea keeping performance with designs cruising speeds of up to 30 knots.

With a passenger capacity of up to 100 with ample room it is worthy of consideration for your next project.

austhai 1500 catamaran, thailand boat builders


Approx. Weight (LLC)


Beam (ft/meters)

19'9" /6.09

Length-Centerline (ft/meters)

53'4" /16.30

Person Capacity

up to 100

  • Technical Specs
  • Concept Designs
Parameter Symbol Units Value
maximum length (with platform) LMAX m 16.30
length of hull LH m 15.23
length of waterline (at DWL) LWL m 14.81
maximum beam BMAX m 6.09
beam of hull BH m 6.09
beam of waterline (at DWL)** BWL   1.53
beam between centres of buoyancy BCB m 4.04
beam at chine* BC m 1.49
maximum depth DMAX m 2.36
midship depth DLWL/2 m 2.33
Freeboard (at DWL)      
freeboard forward FF m 1.62
freeboard midship FM m 1.70
freeboard aft FA m 1.29
canoe body draught (at DWL) TC m 0.66
minimum draught (LCC displacement ) TMIN m 0.92*
maximum draught (LDC displacement) TMAX m 1.12*
headroom in saloon   m 2.05
air draught (at DWL, excluding antenna) HA m 4.30
volume displacement (at DWL) VD m3 12.81
light craft condition mass (LCC) mLCC kg 9200
mass of craft at minimum operation condition (MOC) mMCC kg 9800
loaded craft mass (LDC) mLDC kg 16800
maximum load mMTL kg 7600
immersion (at DWL)   kg/cm 396.4
number of engines     2
power recommened   HP 2 x (550…700)
maximum design speed (minimum operation condition)   kts 34…36*
maximum design speed (loaded craft)   kts 31…34*
recommended cruising speed   kts 28…30
fuel   L 2 x 1500
water   L 200
waste   L 100
crew     2…3
passengers     60…70
Coefficients and parameters (at DWL)*      
block coefficient CB - 0.43
midship section area coefficient CM - 0.567
waterplane area coefficient CWP - 0.852
prismatic coefficient CP - 0.758
deadrise angle at transom b deg 11 (14)
longitudinal center of buoyancy LCB/LWL - 0.425
length to displacement ratio LWL/VD1/3 - 6.335
displacement to length ratio DLR - 112.8
static load factor CD - 0.484
Category     B 'offshore'
 All measurements according to ISO8666
*   - estimated (depends of propeller diameter limit)
** - for one hull

Please contact us to discuss your specific fit out requirements for this boat and we will be happy to provide a detailed specification and quotation based on your requirements.

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