Page 2: of Marine Technology Magazine (April 2020)
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April 2020
Volume 63 • Number 3
Contents
On the Cover
SUNFISH in a Cave. (Credit: Stone Aerospace) 14 14 Mission to Tonga Assessing the health of coral reefs in the Kingdom of Tonga.
By Alexandra Dempsey 20 Untethered Vehicles U nderwater Intervention had some amazing advances in ©Khaled bin Sultan Living Oceans Foundation/Ken Marks.
autonomy on display.
By Justin Manley 24 Quiet Rigs U nmanned surface vessels continue to make in-roads into new applications and industries. An ability to gather data in otherwise inaccessible locations is both increasing knowledge about marine noise and confdence in marine 20 autonomous systems in the oil and gas industry.
By Elaine Maslin 24 Powering the Seabed 34 Lat e last year ABB announced the commercial availability of its new subsea power distribution and conversion technology system. MTR was in
Finland to report.
By Tom Mulligan 4 Editor’s Note Autonaut Credit: Stone Aerospace 6 Authors & Contributors 8 Tech File: Drones 16 Insights: Offshore Drilling 30 Offshore Structure Monitoring 38 Tech Files 34 44 New Products Lights, Cameras, Multibeam Sonar 47 Classifed 48 Advertisers Index ABB April 2020
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