Which authority certifies systems as ECDIS, making them the legal equivalent of paper charts?

The International Maritime Organization (IMO) is the authority responsible for certifying Electronic Chart Display and Information Systems (ECDIS) to ensure that they meet international standards and can be considered the legal equivalent of traditional paper nautical charts. The IMO has developed regulations and guidelines that define the requirements for ECDIS, including performance standards, operational capabilities, and software certifications.

This recognition is crucial as it allows vessels using ECDIS to comply with maritime regulations that require the use of charts for safe navigation. ECDIS must undergo rigorous testing and certification processes to ensure that they provide accurate and reliable navigational information, thereby facilitating safe passage at sea just as traditional paper charts do.

The other options, while relevant in their fields, do not hold the primary responsibility for the certification of ECDIS systems. The NOAA primarily focuses on providing nautical charts and hydrographic data in the United States, the USCG oversees maritime safety and security aspects in the U.S., and the IALA works on aids to navigation systems but does not certify ECDIS. Therefore, the role of certifying ECDIS systems falls squarely within the mandate of the IMO.