Page 46: of Marine Technology Magazine (May 2015)

Coastal Survey

Bibby Athena

Builder ........................................Socarenam Boulogne, France

Designer ..............................................................Bureau Mauric

Length x Beam x Draft ...................................27.5 x 10 x 3.5 m

Tonnage ............................................................................145 gt

Class ....................Lloyd’s Register 100A1SSC Catamaran, G6

Flag .........................................................................................UK

Main engines ......................................2 x Cummins KTA19 M3

Gears ............................................................Twin Disc MG516C

Survey Propulsion ......2 x Schottel SPJ57 azimuth pumps jets

Bow thrusters ...............2 x Schottel SPJ15 azimuth pump jets

Speed ...........................................................................12 knots

Survey speed ..................................................................6 knots

Endurance ......................................................................10 days

Fuel Consumption, transit ...................................2.5 cu.m./day

Fuel Consumption, survey speed .......................1.2 cu.m./day

Fuel Consumption, DP .........................................1.8 cu.m./day

Generators .............................................2 x Scania DI13-074M

Tank capacity, gas oil ..................................................24 cu. m.

Tank capacity, fresh water ............................................8 cu. m.

Tank capacity, water maker ..................................2 cu. m./day

Crane .............................................................................Pal? nger

Max. lift.............................................................5450kg @ 4.2m

Moonpool ................................................................2.05 x 2.3m

A-Frame ....Hydrualic 8000kg SWL with 6.5m deck clearance

Sonar winch .............................................MacArtney Cormac 4

Radar, AID, Echosounder, Navtex, Satcom ....................Furuno

Autopilot ...........................................................................Navico

ECDIS .........................................................................Navmaster dGPS ............................................................................C&C Tech

Heading ...........................................................iXBlue Quadrans

Heading2 .............................................................iXBlue Hydrins

Speed log ........................................................................Skipper

VHF ......................................................................................Icom

DP1 System.......................................................Sirehna EasyDP d’ROP

Manufacturer .........................Hydrobotics (under license from .......................Bibby Marine Survey Services, patent pending)

Dimensions ........................................................1.8 x 1.2 x 1 m

Weight ..................................460 kg in seawater, 500 kg in air

Depth rating .....................................................................300 m

Max thrust, Forward .....................................................848 kgf

Max thrust, Reverse .....................................................760 kgf

Max thrust, Lateral .......................................................804 kgf

Hydraulic Power ..............75kW (100SHP), nominal 3000V AC

Auto functions ................Heading, depth, altitude, track follow

Base equipment ..........Fiber optic gyro, gyro, altimeter, depth sounder, color camera, mono low light camera, LED lighting,

USBL beacons

Optional equipment ........................................DVL, Sonar, MRU

Survey Capability ...............TSS350, TSS440, TSS Dual Track,

Multi-beam echo sounder, side scan sonar, gradiometer, 3D imaging sonar

Deployment ..........Through moon-pool or over-side/cantilever

SWL.....................................................4100 kg on bottom layer

Average line speed ...................................................>30m/min

Lift umbilical .............................................Double armored, lift, ............................................16 conductors plus ? ber optic link

Diameter ......................................................................27.2mm

Breaking strength .....................................................38038 kgf

LARS ....................................Passive cursor with latch box and ......................................umbilical sheaves on a 20 ft. ISO skid

SWL................................................................................4100 kg

Power unit ...............Hydraulic integrated into umbilical winch

Output..............................................................................37.5kW

Power requirements ............1x400v/350A and 1 x 400v/75A

May 2015 46

MTR

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