{"id":"153663","url":"https://navtex.online/messages/153663","station":{"id":"navtex-tallinn-f","name":"Tallinn NAVTEX [F]","navarea":"I"},"header":{"letter":"F","subject":"A","subjectName":"Navigational warning","serial":"25"},"refs":[],"firstSeen":"2026-04-30T20:52:39.000Z","lastSeen":"2026-05-01T00:52:38.000Z","copies":2,"sources":1,"quality":0.9747475,"text":"ZCZC FA25\n300033 UTC APR\nFINNISH NAV WARN 234/26\nGULF OF FINLAND.\nTSS OFF PORKKALA LIGHTHOUSE:\nUNDERWATER SURVEY OPERATION IN PROGRESS\nBY SEILI  CALL SIGN OIRO IN VICINITY\nOF PSN 59-47.4N 024-25.2E.\nSAFETY ZONE OF 0.7*NAUTICAL *ILES**EQUE*TED.\nNNNN","plain":{"title":"Tallinn NAVTEX [F] · Navigational warning · No. 25","issued":null,"text":"300033 UTC Apr\nFinnish nav warn 234/26\nGulf of finland.\nTSS off porkkala lighthouse:\nUnderwater survey operation in progress\nBy seili  call sign oiro in vicinity\nOf position 59°47.4′N 024°25.2′E.\nSafety zone of 0.7▯NAUTICAL ▯ILES▯▯EQUE▯TED.","summary":"Gulf of finland · TSS off porkkala lighthouse"},"positions":[[24.42,59.79]],"status":"unknown","cancelledAt":null,"cancelledBy":null,"official":null,"change":"288919","versions":[{"source":"navtex-net","receivedAt":"2026-05-01T00:52:38.000Z","lastAt":"2026-05-01T00:52:38.000Z","repeats":1,"complete":true,"errorMarks":5,"primary":true,"text":"ZCZC FA25\n300033 UTC APR\nFINNISH NAV WARN 234/26\nGULF OF FINLAND.\nTSS OFF PORKKALA LIGHTHOUSE:\nUNDERWATER SURVEY OPERATION IN PROGRESS\nBY SEILI  CALL SIGN OIRO IN VICINITY\nOF PSN 59-47.4N 024-25.2E.\nSAFETY ZONE OF 0.7*NAUTICAL *ILES**EQUE*TED.\nNNNN"},{"source":"navtex-net","receivedAt":"2026-04-30T20:52:39.000Z","lastAt":"2026-04-30T20:52:39.000Z","repeats":1,"complete":true,"errorMarks":41,"primary":false,"text":"ZCZC FA25\n3*PPEE UTC *P*\nF*NN**H NAV WARN**ERX*Y\n**LF O**FINLAND. TS* *FF PORKKAL* L*GHTHOUS**\n*N*E*W*TER SURV*Y O*ERAT**N\n*N P*OG**SS BY SEILI CALL SIG* OIRO\nIN VICIN*TY O* PSN 59-*U*RN 024-25.2E.\nSAFETY ZONE OF*0.7 **UT*CAL MI*ES REQUESTED.\nNNNN"}]}