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Specifications Range 40 km @ 1 m/sec plus 20 km reserve (preliminary).  Maximum speed in excess of 1.3 m/s.
Closed-loop control of heading, depth, ice-relative and geo-referenced position (within 150 m of ice and seafloor, respectively)
Air Weight 1800-2000 kg depening on configuration.
Depth Rating 2000 m
Battery 18 kWhr lithium-ion
Time On board precision atomic clock synchronized to GPS, 1 ppb drift rate/year.
Navigation Inertial IXSea Phins INS/north-seeking gyro-compass; back-up magnetic compasses (3)
Depth Paroscientific Nano-Resolution pressure sensor; SBE 49 FastCAT back-up
Acoustic up/down 300 kHz ADCP/DVLs; Blueview P900 imaging sonar for obstacle avoidance, One-way travel-time acoustic navigational aiding at 10 Hz, 3.5 kHz.
Communication Tether Fiber-optic communications-only Gb Ethernet, 20 km
Acoustic LF (3.5 kHz) 20-300 bps for ship to vehicle (20 km range); HF (10 kHz) 300 bs, ship-to-vehicle (1-5 km range), vehicle to sensor; vehicle to vehicle
Imaging Acoustic Imagenex DeltaT multibeam sonar (summer 2016).  200 kHz, 100 m maximum range.  Up or down-looking.
Optical Real-time color HD-SDI video on internal pan/tilt/zoom (Kongsberg OE12-522); LED lighting (8 DSPL Sphere, dimmable), 3 channels SD, encoded on board.  1 MP up-looking still camera (summer 2016).
Manipulation Kraft Telerobotics 7-function manipulator arm and custom high-efficiency HPU (March 2016)
Chemical/Physical Sensors (permanent) Seabird FastCAT-49 pumped CTD
Biological Sensors (permanent) WetLabs FLNTURTD Chl/backscatter fluorometer (0-30 ug/l, 0-10 NTU)
Auxiliary payload allowance (bow/spine): Native support for 10 auxiliary sensors.  ~100 kg wet weight, 500 Whr Energy, 1000 W total (6 high-power channels with Gb Ethernet and/or RS-232, 100 W per channel, 6 low-power channels 3-15 W per channel, RS-232).  4 hardware trigger lines.  All channels logged on board and delivered in real-time topside.  Other communications protocols on request.
Auxiliary payload allowance: spine (upward-looking, protected) 240 mm x 450 mm x 500 mm (width, length, depth)
Auxiliary payload allowance: mouth/chin (forward/down-looking, protected) ~0.8 m3 total available volume, reconfigurable.