Vessel InformationTypeResearch VesselOperatorLamont-Doherty Earth ObservatoryFlagUSAMMSI367059880Sonar System InformationKongsberg EM122(12 kHz, 150° swath, 1x1° beams)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2023 R/V Langseth EM122 QAT Report Cruise ID: MGL2301Multibeam System: EM122Dates: February 2-5, 2023 As part of the QAT, major updates were made to the Seapath 330, POS MV V5, and EM122 configurations to reflect the high-quality survey by Westlake Consultants and bring all sensors into a unified mapping reference frame; see System Geometry for more details of the Westlake survey…Read More 2012 Langseth Quality Assurance Report Cruise ID: MGL1214 Multibeam System: EM122 Dates: August 01, 2012 Patch Test ResultsLatency Test– No change neededRoll Test– Applied additional offset of -0.065– Resulting Roll Offset -0.575Pitch Test– No change neededHeading Test– Applied offset of -0.2– Resulting Heading&Offset:&L0.2& Attached Documents Report: Pre-Cruise Analysis: Related Information Cruise Data at R2RRead More 2011 Marcus G.

Vessel InformationTypeResearch Vessel (Retired)OperatorScripps Institution of OceanographyFlagUSASonar System InformationKongsberg EM122(12 kHz, 150°)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2012 Melville Acoustic Test Report Vessel: R/V Melville Multibeam System: EM122 Dates: January 2012 R/V MELVILLE acoustic signature was successfully measured during this acoustic test.

Vessel InformationTypeResearch VesselOperatorScripps Institution of OceanographyFlagUSAMMSI367800100Sonar System InformationKongsberg EM124(12 kHz)Kongsberg EM712(40 to 100 kHz)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2025 R/V Roger Revelle EM712 /EM124 QAT Cruise ID: RR2501 Multibeam System: EM712 / EM124 Dates: April 18-29, 2025 R/V Roger Revelle (RR) received a new Seapath 380 and MGC-R3 (‘Seapath 380-R3’) in 2024, sharing the same GNSS antennas used by the Seapath 380 with MRU (‘Seapath 380-5+’); no other modifications were made.

Vessel InformationTypeResearch VesselOperatorUniversity of Alaska FairbanksFlagUSAMMSI338417000Sonar System InformationKongsberg EM304 MKII(20-32 kHz, 140°)Kongsberg EM710(70 kHz, 140°)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2025 R/V Sikuliaq EM304 MKII / EM710 QAT Cruise ID: SKQ202503S Multibeam System: EM304 MK II/ EM710 Dates: February 3-6, 2025 Attached Documents Report: Related InformationRead More 2024 R/V Sikuliaq EM304 MKII/EM710 SAT Cruise ID: SKQ202403S Multibeam System: EM304 MKII/EM710 Dates: February 2024 Attached Documents Report: Related InformationRead More 2023 R/V Sikuliaq EM302/EM710 QAT Report Cruise ID: SKQ202306T Multibeam System: EM302/EM710 Dates: April 11, 2023 The University of Alaska’s UNOLS vessel R/V Sikuliaq (SKQ) is equipped with Kongsberg Maritime EM302 andEM710 multibeam echosounders and a Seapath 320 positioning / attitude system Attached Documents Report: Related InformationRead More 2022 Sikuliaq EM302 / EM710 Calibration Report Cruise ID: SKQ202203S Multibeam System: EM302/EM710 Dates: April 11, 2021 • The University of Alaska’s UNOLS vessel R/V Sikuliaq (SKQ) is equipped with Kongsberg Maritime

Vessel InformationTypeIce BreakerOperatorUnited States Coast GaurdFlagUSAMMSI303902000Sonar System InformationKongsberg EM122 (12 kHz, 150°)Related LinksCruise Catalog R2R Quality Assessment 2025 R/V Healy EM122 QAT Cruise ID: HLY25TAMultibeam System: EM122Dates: May 27-31, 2025 The 2025 Quality Assurance Testing (QAT) for the R/V Healy EM122 multibeam system focused on evaluating system geometry, hardware health, swath coverage, and receiver noise following installation of the new Seapath 385-R3 navigation system during the 2024–25 maintenance period.

Vessel InformationTypeIce BreakerOperatorUnited States Antarctic ProgramFlagUSAMMSI366610000Sonar System InformationKongsberg EM122(12 kHz)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2015 Nathaniel B.

Vessel InformationTypeResearch VesselOperatorUniversity of WashingtonFlagUSAMMSI366345000Sonar System InformationKongsberg EM302(30 kHz, 140°)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2025 R/V Thompson EM124 SAT Report Cruise ID: TN447Multibeam System: EM124Dates: December 1-8, 2025 In late 2025, R/V Thomas G.

Vessel InformationTypeResearch VesselOperatorUniversity of Hawaii at ManoaFlagUSAMMSI369565000Sonar System InformationKongsberg EM122(12 kHz, 150°, 1x1° beams)Kongsberg EM710Related LinksCruise CatalogR2R Quality Assessment Technical Reports 2025-26 R/V Kilo Moana EM122/EM710 QAT Cruise ID: Multibeam System: EM122/EM710Dates: July 12-25, 2025; Dec 6, 2025; Jan 8, 2026 The R/V Kilo Moana conducted opportunistic Quality Assurance Testing between July 2025 and January 2026 for its EM122 and EM710 multibeam systems, including configuration review, hardware health checks, calibrations, RX noise testing, and swath coverage assessments.

Vessel InformationTypeResearch VesselOperatorUniversity of DelawareFlagUSAMMSI367063060Sonar System InformationReson SeaBat 7125(200 kHz,400kHz, 150 °)Related LinksCruise Catalog Technical Reports 2016 Hugh R.