{"id":651,"date":"2026-05-29T10:19:40","date_gmt":"2026-05-29T10:19:40","guid":{"rendered":"https:\/\/flags.page\/en\/glossary\/q-flag\/"},"modified":"2026-05-29T10:19:40","modified_gmt":"2026-05-29T10:19:40","slug":"q-flag","status":"publish","type":"term","link":"https:\/\/flags.page\/sl\/glossary\/q-flag\/","title":{"rendered":"Q flag"},"content":{"rendered":"<p>The **Q flag**, or quarantine flag, is the signal flag of the letter Q in the International Code of Signals: a plain yellow rectangle. Flown alone by a vessel entering port, it signals &#8216;My vessel is healthy and I request free pratique&#8217;, that is, permission for the crew and passengers to come ashore. Historically the same flag was used to declare quarantine; modern usage is the opposite.<\/p>\n<p>**Example**: A yacht making her landfall raises a yellow Q flag at the starboard spreader to request clearance from customs and health authorities.<\/p>\n<p>**See also**: [signal-flag](\/glossary\/signal-flag\/), [courtesy-flag](\/glossary\/courtesy-flag\/), [ensign-at-sea](\/glossary\/ensign-at-sea\/), [hoisting](\/glossary\/hoisting\/)<\/p>\n","protected":false},"template":"","class_list":["post-651","term","type-term","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/flags.page\/sl\/wp-json\/wp\/v2\/term\/651","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flags.page\/sl\/wp-json\/wp\/v2\/term"}],"about":[{"href":"https:\/\/flags.page\/sl\/wp-json\/wp\/v2\/types\/term"}],"wp:attachment":[{"href":"https:\/\/flags.page\/sl\/wp-json\/wp\/v2\/media?parent=651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}