ITP62 Deployment Operations

ITP62 was the last of four ITP systems deployed during JOIS 2012 and like the previously deployed ITP (64) was deployed in open water over the side of the CCGS Louis S. St. Laurent. While there was no ice in the vicinity, satellite data indicated that the marginal ice zone was not far north.

Shortly after breakfast, the deployment winch and instrumentation were staged on the foredeck so that the ship’s starboard A-frame could be used to lower the mooring into the ocean. The deployment proceeded smoothly until the final communications check with the underwater unit, but after resolving the problem, the system was released and floated away from the ship.

More information and photos on the deployment operations are also available at: https://archives.whoi.edu/beaufortgyre/www.whoi.edu/page.do@pid=111616.html.

Steve Lambert secures ITP 62 profiler to the wire. (Photo by Rick Krishfield)

With the mooring wire running through the A-frame block, ITP 62 profiler is maneuvered over the starboard side positioned on the bottom stop. (Photo by Rick Krishfield)

Steve Lambert secures ITP 62 profiler to the wire. (Photo by Rick Krishfield)

Jim Dunn handles the brake on the winch that controls the lowering speed of the mooring wire. (Photo by Rick Krishfield)

Kris Newhall directs the manipulation of the surface flotation package through the A-frame. (Photo by Rick Krishfield)

A slip line is used to transfer the tether load to the surface package just prior to releasing the system. (Photo by Rick Krishfield)

ITP 62 as deployed. (Photo by Steve Lambert)