Name of the system 4KC
4000m class deep tow camera system
6KC
6000m class deep tow camera system
4KS
4000m class deep tow sonar system
Characteristics
EReal-time observation sysytem
Eobservation area of the camera frame is about 5m width
EPresice topography and morphology of sea flour
EIntensity of acoustic reflection
@
EHigh quality data caused by optical fiber cable.
EOptional items can be attached
Overall length 3.5m 3.5‚ 3.3m
Width 1.0‚ 1.0‚ 1.5‚
Height 1.5‚ 1.5‚ 1.2‚
weight(in air) 1,000kg 1200kg 1350kg
weight(in water) 700kg 850kg 760kg
Max. operation depth 4000m 6000m 4000‚
Towing speed `1 knot `1 knot 1`2 knot
Observation equipment
¡ Super-HARP camera (1)
¡ Underwater light(4)
¡ Stereo still camera system (1)
¡ CTD profiler (1)
¡ Altimeter (1)
¡ Release (1)
¡ EAcoustic transponder (1)

¡ Super-HARP camera (1)
@ ¦3 cameras can be mounted
¡ Underwater light(8)
¡ Stereo still camera system (1)
¡ CTD profiler (1)
¡ Altimeter (1)
¡ Release (2)
¡ Acoustic transponder (1)
¡ Side-scanning sonar (2)
@
starboardF42kHz
portF38kHz
@ scanning range@250`2500‚ each
¡ Sub-bottom profiler (1)
@
frequencyF60kHz
¡ CTD profiler (1)
¡ Altimeter x 1 unit
¡ Acoustic transponder (1)
facilities
1) Winch for 4000m coaxial cable (1)
2) Hydrauric power unit (1)
3) Gimbaled sheav (1)
4) Container for control uint (1)
1) Stock drum for 8000m optoelectorical cable (1)
2) Truction winch (1)
3) Hydrauric power unit (1)
4) Gimbaled sheav (1)
5) Container for control uint (2)
@
1) Winch for 4000m coaxial cable (1)
2) Hydrauric power unit (1)
3) Gimbaled sheav (1)
4) Container for control uint (2)


¡JAMSTEC/Deep Tow's Mission

EDeep sea surveyFtopography, geology (ex. hydrothermal activities), oceanography and resouces
EMesopelagic and benthopelagic survey
EPre-site survey for submersibles and ROVs.
EDetection for artificial target, deployment of observation equipments.