MSI App (Build Custom LNMs and Light Lists)
Broadcast Notices to Mariners (BNMs)
Space Operations Launch and Recovery (SOLAR)
Local Notices to Mariners Weekly (LNM - PDF only)
Light Lists Weekly (LL - PDF only)
Search and Rescue Satellite (SARSAT)
Marine Safety Information Bulletins (MSIBs)
International Ice Patrol

Contact Us
AIS Historical Data Requests
Report an ATON Discrepancy
Report an LRIT Issue
Report an AIS Problem
Report an Iceberg
Request a Marine Event Permit (Coming Soon!)
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GPS Constellation
NANUS, Almanacs, OAs, SOFs
Report a GPS Disruption
GPS User Issue Detection & Evaluation (GUIDE) Tool
Planned/Known GPS Service Interruptions
Civil GPS Service Interface Committee (CGSIC)

USCG Navigation Rules
Automatic Identification System (AIS)
Vessel Traffic Services (VTS)
Vessel Information Verification System (VIVS)
Ports and Waterways Safety Assessments (PAWSA)
Port Access Route Studies (PARS)