Image shows how Primary Node 1B appears on the sonar of the ROV. The node is bright yellow with shadow stretching toward the top of the image.
--Photo by Cecile Durand
Just arrived from Cecile Durand, OOI Marine Maintenance Manager at the University of Washington who is onboard the TE SubCom Dependable during this first leg of the node installation work, are photos of the final inspection of OOI RSN Primary Node 1B (PN1B). ROV Nereus 3 carried out this inspection on 24 July 2012.
Large image above shows screen monitors on the ship's bridge for sonar (left) and video (right) displays from the ROV. Note PN1B sitting nicely on the seabed in video display.
Image to right shows how the node appears on the sonar of the ROV. The node is bright yellow with its shadow stretching toward the top of image.
Lower image to right shows one of the ROV arms going after a shackle during bridle release operations. This action set the deployment bridle free and allowed recovery of the bridle on deck.
--Nancy Penrose, OOI RSN Communications Coordinator