Nautical Charting requires high level of online quality control to ensure that the acquisition of multibeam data complies with the required IHO standards for coverage and sounding density. for target detection that comply with required.
Wreck investigation, target detection and marine navigation hazard are also part of nautical chart safe navigation.
High resolution IHO special order survey
High resolution IHO order 1a survey
Navigation route and channel survey
Port and Harbour survey