I 9104/26

Chart 4024: danger line least depth reduced to 5.8 m in Amazon Basin

Expiredended 28 Oct 2026, 20:00 UTC (10 days ago)Received 17 Oct 2026, 21:42 UTC

Warning text

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CHART 4024 INSERT REFERENTE AO AVISO PRELIMINAR I 171(P)/23 NA LINHA DE PERIGO COM MENOR PROFUNDIDADE DE 6.9 METROS INSERIR 5.8 METROS IN 02-06.79S 056-05.39W CANCEL LOCAL I 9374/24 CANCEL THIS WARNING 162000 UTC OCT 28.

Location map

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Analysis

Expiredended 28 Oct 2026, 20:00 UTC (10 days ago)

Chart 4024 is to be updated: the danger line previously shown with least depth 6.9 metres is to be altered to 5.8 metres. The change refers to position 02-06.79S 056-05.39W. This warning cancels LOCAL I 9374/24 and will cancel itself at the stated time.

Update charts and navigate with caution in the area of the danger line; note reduced least depth of 5.8 m.

Type: Navigational hazard · severity moderate
Feed: Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
Location: Amazon Basin, chart 4024
Validity: Until 28 Oct 2026, 20:00 UTCCANCEL THIS WARNING 162000 UTC OCT 28.
Hazards: reduced least depth on danger line
Least depth: 5.8 m (19 ft)
Cancels: LOCAL I 9374/24
References: I 171(P)/23
Charts: CHART 4024

Coast stations for this area

DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF237 NM from the area

Worked out automatically from the warning text on 17 Oct 2026, 21:47 UTC. It can be wrong: the official warning text is the authority.

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