BACK-UP RECOVERY SYSTEMS OF DEEP-SEA MOORINGS.
WOODS HOLE OCEANOGRAPHIC INSTITUTION MASS
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Failures of deep-sea moorings set without back-up systems usually result in the loss of valuable equipment and it is seldom possible to ascertain the modes and the causes of the failures. With a recognition of the need for development of auxiliary systems which would permit the recovery of that part of the failed mooring left on station, a number of designs were built and tested at sea in 1966, 1967 and 1968. These designs can be grouped into three basic types inert ground line active ground line and in-line floatation. The report describes these back-up systems and reviews their in-situ performance. All systems were used at Site D 39 degrees N, 70 degrees W in a depth of approximately 2700 m. Author
- Marine Engineering