Cruise ID: NA126 Multibeam System: EM302 Dates: July 3-10, 2021 The 2021 EM302 Quality Assessment Tests (QATs) were conducted primarily during NA126, the engineering shakedown cruise, with some additional ship self-noise data collected during NA127.

Cruise ID: NA105 Multibeam System: EM302 Dates: January 18-21, 2021 Heading into the 2019 operating season, the EM302 and associated sensors aboard the E/V Nautilusare working very well compared to the 2018 NA093 Quality Assurance Test (QAT) and earlier shipboard assessments.

Cruise ID: NA079 Multibeam System: EM302 Dates: May 1-6, 2017 The E/V Nautilus undertook a multibeam echosounder quality assurance test from May 1 to May 5, 2017 during an engineering shakedown leg (NA079) in order to perform an assessment of the vessel’s Kongsberg EM302 multibeam echosounder.