摘要 : An often-overlooked rule change that went into effect in 2019 harmonized the renewal of radar observer endorsements and eliminated the need for mariners to take a radar observer refresher or recertification course as long as they ... 展开 An often-overlooked rule change that went into effect in 2019 harmonized the renewal of radar observer endorsements and eliminated the need for mariners to take a radar observer refresher or recertification course as long as they can provide documentation for one year of sea time on a radar-equipped vessel in the previous five years from the date their application is submitted for renewal. Captains, mates and deckhands working on vessels where they are routinely using radar need to have the exact language required under 46 CFR 10.227, 10.232, 11.480 and Policy Letter 03-19 on their sea service letters provided to the USCG for their renewal. 收起