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gsberg Maritime Hydroacoustic Aided Inertial Navigation (HAIN) system, while maintaining the accurate placement and positioning of the modules," said George Buhler. Positioning & Navigation Consultant for & Technologies, one of three service providers on the project, together with Fairfield Industries and Sonsub. "The equipment was mounted on remote operated vehicle (ROV) and was ready to work as soon as it arrived onsite. Furthermore, the positioning accuracies we achieved were comparable to those of traditional technologies throughout range of water depths." By using an inertial system as the primary method for ROV nav- igation and positioning, the team determined that inertial technology can be used to replace an array of acoustic beacons as the primary source of navigation and positioning for variety of seabed operations that require precise navigation and positioning. With fewer points of failure and lower safety risk due to signifi- cant reduction in back deck operations; this successful sea-trial was first step in introducing this new technology to deepwater oil and gas ROV operations. The seismic data acquisition modules were Fairfield Industries' Deep Pods, self-contained, 4C recording sensor for Azimuth Long Offset, full-wave seismic data acquisition in deepwater. The project took place in water depths ranging from 4 to 7 feet using Sonsub Innovator ROV deployed from the support ves- sel HOS Innovator. Circle 1 on Reader Service Card Flooring Takes on Rigors of Rig Life More than 1,0 sq. ft. of Ensco Rig 7 interior decking was recently replaced with PolySpec Flex-IMO Vinyl Chip Flexible Seamless flooring, bring- ing the rig in compliance with safety regulations and replacing floor that had worn out in only four years. Polyspec' F