Arc Surveying & Mapping, Inc. owns and operates state-of-the art, mobile, shallow-water multibeam systems equipped with the latest available components on the market.  These systems are configured on Arc Surveying & Mapping, Inc. four (4) USCG approved survey vessels. 

All Arc Surveying & Mapping, Inc. enclosed survey vessels are equipped with Reson SeaBat multibeam swath systems. Current systems include a 7101, two (2) each 7125s, and a T20.  All boats are equipped with POS/MV Wave masters and Trimble RTK/GPS systems. Arc Surveying & Mapping, Inc. also has a variety of small boats ranging from six (6) feet to eighteen (18) feet.

Blue Witch:  25-foot Safe Boat Defender:  Modified V-hull with twin 200 hp Yamaha Engines.  Fully enclosed, extra-large cabin, heat and air conditioned, 2000 kw generator, AC/DC electrical power, hull center mounted single narrow beam 200 kHz transducer.  Equipped with Applanix POS 320 WaveMaster for position, motion and heading.  Side mount for dual frequency and multibeam swath sounders, heavy duty aluminum davit for side-scan sonar, sub-bottom profiler and magnetometer.  Twin VHF Radios; Simrad GPS w/color display, all USCG required lights, horn, first aid, fire extinguishers.

Memphis Witch:  24-foot Lobell, 8.5’ Beam, 10’ L Cabin with AC/Heat, powered by twin Suzuki 115 HP 4 Stroke Engines.  Equipped with 3000w Honda Generator, VHF Radio; Garmin GPS w/color display, all USCG required lights, horn, first aid, fire extinguishers, hull mounted narrow beam dual frequency depth sounder. (200 & 28 kHz). Side mount for dual frequency and multibeam swath sounders, heavy duty aluminum davit for side-scan sonar, sub-bottom profiler and magnetometer

Grey Witch:  23-foot SeaArk:  Heavy gauge aluminum, tri-hull, open stern deck, powered by twin 115 hp Yamaha outboards fully enclosed, extra-large cabin, heat and air conditioned, 2000 kw generator, AC/DC electrical power, hull center mounted single narrow beam 200 kHz transducer.  Side mount for dual frequency and multibeam swath sounders, heavy duty aluminum davit for side-scan sonar, sub-bottom profiler and magnetometer.  VHF Radios; Garmin GPS w/color display, all USCG required lights, horn, first aid kits and fire extinguishers.

Red Witch:  21′-Monarch:  Heavy gauge aluminum, tri-hull, open stern deck, powered by twin 130 hp Yamaha outboards, on-board AC/DC electrical power, fully enclosed, center mounted single narrow beam 200 kHz transducer, side mount for dual frequency and multibeam swath sounders, heavy duty aluminum davit for side-scan sonar, sub-bottom profiler and magnetometer. VHF Radios; Garmin GPS w/color display, all USCG required lights, horn, first aid kits and fire extinguishers.

Jon Boat:  Arc Surveying & Mapping, Inc. has a variety of small survey vessels ranging in length from 10 to 20 ft. including inflatables.  The pictured 18’ Jon boat is equipped with a survey grade depth sounder and a Riegl terrestrial laser shoreline scanner.  Equipped with POS/MV, 40 hp Mercury outboard, VHF Radios; all USCG required lights, horn, first aid kits, and fire extinguishers.



Reson SeaBat 7101, 7125, T20 & T50 Multibeam Swath SystemsArc owns and operates Teledyne Reson SeaBat multibeam swath systems.  The dual frequency operation of the SeaBat systems allows Arc to collect high resolution survey data to depths between 0.5 & 450m.  The different variants and can be used for different purposes.  In shallow areas, typically 0.5 to 150m the 7125-400kHz is used to maximize resolution after which the 7125-200kHz is used in the deeper areas.   
   
POS/MV Wavemaster: All Arc Surveying vessels are equipped with a POS/MV Wavemaster, a tightly-coupled system using Applanix’ unique approach to Inertially-Aided Real-Time Kinematic technology.  The user-friendly, turnkey system provides accurate attitude, heading, heave, position, and velocity data, representing the latest in state-of-the-art inertial/GPS technology. The system maintains positioning accuracy under the most demanding conditions, regardless of vessel dynamics. With its high data update rate, the Wavemaster delivers a full six degrees-of-freedom position and orientation solution.  The Wavemaster is designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than +/- 75 degrees under all dynamic conditions.
Arc has four (4) single beam depth sounders including a Knudsen Model 320M Dual Frequency Single beam Survey Fathometer (Collects bottom depths digitally at 200 kHz and 28 kHz frequency, records on scroll or digital media, annotates xy, depth, time and date. 
Sound Velocity Probe Odom Digibar Pro: 11kHz Sing-Around Frequency, 10Hz Sample Rate, > 1.0 ft (31.0 cm) Depth Sensor Accuracy.