USCG-RADAR-L1.3

Validity and renewal after the 2024 rule

USCG-RADAR-M1 · The Radar Observer Endorsement · USCG-RADAR-M1-A The three grades, who must hold Radar Observer, and validity and renewal under the 2024 rule.

The old **5-year radar certificate** is gone. The endorsement now lives and dies with the MMC, and recent radar-using sea time can renew it.

AI-drafted catalogue content pending SME review. Radar Observer renewal by sea service depends on the NMC accepting that the position routinely used radar, and the carriage rule turns on inspected status and GRT; verify with the National Maritime Center and your approved course provider before relying on either.