NAVAREA VIII - 1014/26

SÉCURITÉ

Issued: 27 Sept 2026, 10:02Active until: 9 Nov 2026, 18:30Last modified: 1 Nov 2026, 03:00

analysis

Activeuntil 09 Nov 2026, 18:30 UTC (in 8 days)

Seismic survey by SW DUCHESS off Chennai, India east coast

Seismic survey vessel SW DUCHESS will conduct a seismic survey area off Chennai on the east coast of India. Activity is stated from 28 Sep 2026 until 09 Nov 2026. A 2 NM berth (safety) distance is requested around the survey operations. Mariners should navigate with caution and keep clear of survey gear.

Keep clear of the survey vessel and its towed equipment; maintain a 2 NM safety distance and navigate with caution.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/survey/
Location: Off Chennai, India east coast
Validity: From 28 Sept 2026, 00:00 UTC
Until 09 Nov 2026, 18:30 UTCFROM 28 SEP TO 09 NOV 26 ... CANCEL THIS MSG 091830 UTC NOV 26
Activity periods: 28 Sept 2026, 00:00 UTC - 09 Nov 2026, 18:30 UTC (Seismic survey by SW DUCHESS from 28 Sep to 09 Nov 2026)
Hazards: seismic survey, survey vessel operations, towed seismic gear
Keep clear: 2 NM02 NM BERTH REQUESTED
Charts: 32 391 INT 754

Vessels involved

SW DUCHESS · survey vessel

Coast stations for this area

DSCDSC Station ChennaiMRCC ChennaiIndiaMMSI 004194401VHF 25, MFrange 25 NM85 NM from the area
DSCDSC Station VishakhapatnamMRCC ChennaiIndiaMMSI 004194402VHF 20range 20 NM241 NM from the area
DSCDSC Station MandapamMRCC ChennaiIndiaMMSI 004194406VHF 20, MF 250, HFrange 250 NM321 NM from the area
DSCDSC Station TuticornMRCC ChennaiIndiaMMSI 004194405VHF 20range 20 NM372 NM from the area
DSCDSC Station New MangaloreMRCC MumbaiIndiaMMSI 004192204VHF 25range 25 NM382 NM from the area

Generated automatically from the warning text on 01 Nov 2026, 03:20 UTC. It can be wrong: the original warning below is the authoritative text.

Keywords

Operationsseismic survey
Geometry refsbounded, polygon
Geometry phrasesarea bounded, bounded by

Message content

INDIA EAST COAST - OFF CHENNAI (.) CHARTS IN 32 391 INT 754 (.) SW DUCHESS WILL CARRY OUT SEISMIC SURVEY FROM 28 SEP TO 09 NOV 26 IN AREA BOUNDED BY 14-12.00N 081-13.00E, 13-34.00N 081-51.00E, 13-12.00N 081-26.00E, 13-50.00N 080-48.00E (.) 02 NM BERTH REQUESTED 2. CANCEL THIS MSG 091830 UTC NOV 26

Location map

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