M500-4.1.9
Reporting dangers to navigation
M500-4 · Legislative Requirements · M500-4.1 Legislative Requirements
Covers the Master's mandatory duty under SOLAS V/31 and MSN 1858 to report dangers to navigation: what triggers the obligation, the correct reporting sequence, required message content, and the log entry.
Independent preparatory study aligned to the MCA Master (Yachts less than 500 GT) oral examination syllabus. Not an MCA-approved course and confers no credit toward a Certificate of Competency.