The Austhai 800 Widebody Divecat is the latest in our diving range. Based on a widened version of the Boomerang Hull, it offers a beam of three metres which makes avery comfortable and roomy platform for twelve divers and two crew. The hull design offers exceptional economy with twin 150 outboards providing a cruising speed of 25 knots with a full load. This is the perfect boat for the smaller operator or a very practical secong boat for the larger operator.
austhai 800 Widebody Divecat


Approx. Weight (LLC)

2.4 Tonnes

Beam (ft/meters)

9'84" /3.00

Length-Centerline (ft/meters)

27 '01" /8.23

Person Capacity


  • Technical Specs
  • Concept Designs
Parameter Symbol Units Value
maximum length LMAX m 8.32
length of hull LH m 8.14
length of waterline (at DWL)* LWL m 6.99
maximum beam BMAX m 3.00
beam of hull BH m 2.94
beam at waterline (at DWL)* BWL m 0.78
beam between hulls CL BCL m 1.97
maximum depth DMAX m 1.72
midship depth DLWL/2 m 1.66
freeboard forward (lightship) FF m 1.39
freeboard midship (lightship) FM m 1.31
freeboard aft (lightship) FA m 0.48
canoe body draught (lightship) TC m 0.36
minimum draught (lightship) TMIN m 0.36
maximum draught (loaded) TMAX m 0.55
headroom in saloon   m 1.90
air draught (at DWL) HA m 3.32
bridgedeck height (vertical clearance)   m 0.38
volume displacement(LCC condition) VD m3 2.10
light craft mass (LCC) mLCC kg 2341
minimum operation condition mass (MOC) mMOC kg 2522
loaded craft mass (LDC) mLDC kg 4321
maximum load mMTL kg 1980
immersion (at DWL)   kg/cm 97.6
number of engines     2
recommended power     115…175
maximum speed, lightship (MOC condition)   kts 37**
maximum speed, full load (LDC condition)   kts 35**
recommended cruising speed   kts 25..30
fuel   L 2x300
water   L 60
crew/passengers   - 14
Coefficients and parameters      
block coefficient* CB - 0.580
midship section area coefficient* CM - 0.737
waterplane area coefficient* CWP - 0.872
prismatic coefficient* CP - 0.787
longitudinal center of buoyancy LCB/LWL - 0.412
length to displacement ratio* LWL/VD1/3 - 5.458
displacement to length ratio* DLR - 176
static load fator CΔ - 0.598
deadrise midships 〈M degrees 25(27)
deadrise at transom 〈TR degree 21(23)
EU RCD category     B 'offshore'
* - for one hull only ** - estimated speed
All measurements according to ISO8666
DWL corresponds to full load displacement (LDC)
The Austhai 800 WideBody Divecat is CE Certified
Will be added shortly!
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