The Waitt Institute CATALYST AUV Program

… Making a Hydroid REMUS 6000 AUV System Accessible to the Ocean Science Community An easily integrated and highly mobile Dual AUV Toolkit that vastly improves survey efficiency, economizes ship-time, and adds ground- truthing capability without the need for equipment changeover

Two Complete AUVs (Ginger and Mary Ann) Launch and Recovery System Three custom outfitted 20’ ISO vans Full Complement of Field Spares 10 Deep Ocean Transponders Data Analysis Suite

120/410 kHz and 230/540 kHz Edgetech Side Scan Sonars Imagenex Delta-T 265 kHz Multibeam Imaging Sonar Omni Sub-bottom Profiling Sonar Hydroid Electronic Still Camera (2048x2048) with strobe Sea-Bird CTD Fluorometer

Configuration flexibility on deck)

Two Parallel Survey Rows - Centered on running baseline - Allows for continuous ladder progression up rows regardless of truncated missions - Maximize transponder deployments - Overlapping mission to mission track lines - Usual ship movements on baseline axis - Effective Re-Acquire Protocol

Mission Profile - Weighted Descent: 2hr 15 min - Survey Time: 18 hr 30 min (122Km) - Drive Ascent: 1 hr 00 min - Total in Water: 21 hr 45 min - Deck Turnaround: 2-3 hrs - 24hr Mission Cycle Time – Rule of Thumb Single Mission Statistics Km (67.5 NM) Track Lines - 15 Km x 7 Km Insonified Bottom (105 sq Km, 30.6 sq NM) - 75kHz Sonar, 600 Meters Range - Overlapping Sonar to Nadir Fill - 19 Hrs Bottom Time Meters Depth

Pacific Remote Islands Marine National Monument (Howland and Baker) - 72 Operational Days on Site Sorties Sq NM (7545 sq. Km) Covered Sq NM/Day (17.4 Sq KM/Day) NM (12,700 Km) Linear Track Lines (dist from Seattle to Brisbane)

Marine Geoscience Data System,

Oculina and Lophelia Reef Survey Florida Straits)

New Deep Reefs Discovered…

Titanic 2010)