Underwater Acoustics International

Our Story. Our Team.

Underwater Acoustics International has a long history of commitment to client satisfaction and developing innovative approaches to challenging projects. With years of experience, an ingrained spirit of innovation, and a team of qualified experts, UAI is perfectly suited to develop solutions for various markets in need of underwater inspections. The UAI team developed a unique methodology for underwater inspections, which gives client views not captured by other techniques. The comprehensive views and value-added features of UAI’s methodology provide clients with reliable inspection data for preventative maintenance inspections.

Alan Day


As CIO and Vice President of Information Technology for C. H. Fenstermaker & Associates, L.L.C., Alan Day works directly with the President and CEO to support business operations with strategic IT programs. Through his technological expertise, he is committed to maintaining the company’s position as a leader in information technology. He coordinates a talented team of software engineers and system analysts, designing and administering project management systems for Fenstermaker and our clients. Mr. Day has an extensive background in Product Development and Software Engineering. He is a published software author with over 20 years of experience in all aspects of software product development and management.

In charge of our extensive communications networks, Mr. Day is responsible for the creation and integration of technological tools designed specifically for Fenstermaker employees in each division. Additionally, Mr. Day establishes and oversees secure project management systems that grant our clients access and control over important project information.

Rick Zaunbrecher


Mr. Zaunbrecher has over 30 years of experience in surveying and site assessment. He has a high degree of responsibility in Project Management and Operational Support in the Surveying Industry.

Receiving an Associate’s Degree in Drafting and Design Technology in 1984 from Southwest Louisiana Technical School, Mr. Zaunbrecher continued his career as a Senior Survey Analyst for 29 years. He gained a certificate in Kongsberg Sonar & Underwater Acoustics from the Marine Science Institute University of California Santa Barbara in 2008. Now at Fenstermaker, Mr. Zaunbrecher is responsible for project management, project coordination, logistics coordination, project site assessment and planning, as well as project development.

James Fenstermaker


James Fenstermaker is UAI Project Coordinator. He brings technological expertise to the Underwater Acoustics International team, having served as GIS Coordinator UAI’s parent company, C. H. Fenstermaker & Associates, L.L.C.. As an IT Specialist for the firm, James was the manager of the firm’s internal communications software and coordinated the SharePoint infrastructure to facilitate seamless interaction of all divisions within the company. Mr. Fenstermaker conducts research and development for the UAI team and coordinates project components and client deliverables. He has a Bachelor in Business Administration in Management from the University of Louisiana at Lafayette. Additionally, Mr. Fenstermaker served in the Marine Corps as a Radio Operator, Multi-Channel Equipment Operator and Data Network Specialist.

Ryan Wallace


Mr. Wallace has over 10 years of experience in survey operations and project management. Mr. Wallace is proficient in Auto-CAD 2011 and 2017, Microsoft Office, Kongsberg Mesotech Sonar Software, and Cleensweep Sonar Data processing software. He is also skilled in various graphic design programs and GPS navigation/plotting software. His responsibilities include researching project environments, participating in instrumentation selection for projects, coordination of data acquisition efforts, data processing and rendering, and participating in R&D for new applications of sonar systems and new methodologies for sonar system utilization.

Mr. Wallace has supervised and advised on numerous deep water marine construction survey and salvage operations that required him to work with bottom scanning sonar and USBL and LBL acoustic positioning for ROV positioning. He has conducted hydrographic surveys for NOAA using multi-beam and side scan sonar and has designed and coordinated fabrication of a specialized underwater bottom-scanning sonar housing tripod, which is still being used today.


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