S 0494/26

Hydrographic survey near Paranagua using USV TUPAN III

Activeuntil 07 Jan 2027, 23:00 UTC (in 62 days)Received 30 Aug 2026, 07:41 UTC

Warning text

Positions open on the map

PARANAGUA VICINITY CHART 1820 HYDROGRAPHIC SURVEY 290900 UTC AUG 26 TO 072200 UTC JAN 27 USV TUPAN III IN AREA BOUND BY 25-26.51S 048-21.20W 25-28.14S 048-23.77W 25-39.25S 048-11.45W 25-37.51S 048-11.49W 25-37.37S 048-04.42W 25-42.88S 048-04.28W 25-43.02S 048-11.36W 25-34.77S 048-20.62W 25-29.89S 048-41.14W CANCEL THIS WARNING 072300 UTC JAN 27.

Location map

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Analysis

Activeuntil 07 Jan 2027, 23:00 UTC (in 62 days)

A hydrographic survey is being conducted in the vicinity of Paranagua using the unmanned surface vessel USV TUPAN III. The survey operates inside a polygon defined by the listed positions (see positions). Activity runs from 290900 UTC Aug 26 to 072200 UTC Jan 27, with cancellation scheduled 072300 UTC Jan 27. Mariners are advised to navigate with caution and keep clear of survey operations.

Keep clear of survey area and navigate with caution; maintain a good lookout for survey vessel or equipment.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Paranagua vicinity
Validity: From 29 Aug 2026, 09:00 UTC
Until 07 Jan 2027, 23:00 UTC290900 UTC AUG 26 TO 072200 UTC JAN 27. CANCEL THIS WARNING 072300 UTC JAN 27.
Activity periods: 29 Aug 2026, 09:00 UTC - 07 Jan 2027, 22:00 UTC (290900 UTC AUG 26 TO 072200 UTC JAN 27)
Hazards: hydrographic survey, unmanned survey vessel (USV)
Charts: CHART 1820

Vessels involved

USV TUPAN III · survey vessel

Coast stations for this area

RCCMRCC BrazilBrazil323 NM from the area
DSCDSC Station Rio RadioMRCC BrazilBrazilMMSI 007100001HF296 NM from the area

Worked out automatically from the warning text on 28 Sept 2026, 00:48 UTC. It can be wrong: the official warning text is the authority.

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