This report describes assessments of a REMUS 100 autonomous underwater vehicle owned by DSTO as a tool for hydrographic survey. It concludes that DSTO's vehicle as currently configured cannot meet horizontal and vertical uncertainty standards for Special Order and Order 1 surveys as defined by the International Hydrographic Organization. In particular, the GPS sensor and the depth sensor are deficient and should be upgraded if the vehicle is to be used for hydrographic surveying. The settings of the Doppler velocity log should also be optimized to provide the best altitude resolution, or a dedicated single-beam echo sounder should be integrated into the vehicle. Hydrographic vehicles such as the REMUS 100-S and the Gavia are more appropriately configured for this application.


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