The Office of Merchant Mariner Credentialing announced changes to three NVICs providing guidance on the renewal of STCW endorsements for Proficiency in Survival Craft, Proficiency in Survival Craft-Limited, Basic Training, and Advanced Firefighting for mariners serving on vessels in reduced operating status and on other vessels that that are in operation that do not get underway.
Source: USCG
Link: Revisions to NVICs concerning merchant mariner credential STCW endorsements