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Pioneering Spirit performed her first commercial lift, removal of Repsol's 13,500-tonne (14,900-short-ton) Yme mobile offshore production unit (MOPU) on 22 August 2016. [33] Located in the Yme field in the Norwegian sector of the North Sea , approximately 100 km (54 nautical miles) west of Stavanger , the MOPU was a jack-up type platform ...
Despite a great length, Seawise Giant was not the largest ship by gross tonnage, ranking sixth at 260,941 GT, behind the crane ship Pioneering Spirit and the four 274,838 to 275,276 GT Batillus-class supertankers. She was the longest and largest by deadweight: 564,763 tonnes. [25] [26]
Edward Heerema was born in 1947 to Pieter Schelte Heerema [] [1] and Erna Heerema. He has four brothers and one sister. [4] He spent his childhood in Venezuela where his father, after service in the Waffen-SS, had exiled himself after World War II [5] and worked as an engineer in Maracaibo. [4]
DSC distress alerts, which consist of a preformatted distress message, are used to initiate emergency communications with ships and rescue coordination centers. DSC was intended to eliminate the need for persons on a ship's bridge or on shore to continuously guard radio receivers on voice radio channels, including VHF channel 16 (156.8 MHz) and ...
SSCV Sleipnir is a semi-submersible crane vessel (SSCV) owned and operated by the Netherlands-based Heerema Marine Contractors. It was ordered in 2015 and built in Singapore by Sembcorp Marine . It was named for Sleipnir , the eight-legged horse ridden by Odin in Norse mythology .
The update rate ranges from 3 minutes for anchored or moored vessels, to 2 seconds for fast moving or maneuvering vessels, the latter being similar to that of conventional marine radar. Each AIS station determines its own transmission schedule (slot), based upon data link traffic history and an awareness of probable future actions by other ...
Data is gathered from in excess of 18,000 AIS equipped volunteer contributors in over 140 countries around the world. [6] Information provided by AIS equipment, such as unique identification, position, course, and speed, is then transferred to the main Marine Traffic servers for display via the website in real time.
The SSAS should be capable of activation from the ship's navigation bridge. The Ship Security Alert System (SSAS) is provided to a ship for the purpose of transmitting a security alert to the shore to indicate to a competent authority (typically the ship's flag State) that the security of the ship is under threat or has been compromised.