OA96

Wave recorder and ADCP deployed off Kattupalli

ActiveReceived 02 Nov 2026, 00:00 UTC

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INDIAN NAV WARNING (INW) 934. OFF KATTUPALLI CHARTS IN 313 356 WAVE RECORDER AND ACOUSTIC DOPPLER CURRENT PROFILER DEPLOYED IN AREAS BOUNDED BY (A) 13-19.79N 080-20.95E, 13-19.79N 080-21.07E, 13-19.61N 080-21.09E, 13-19.62N 080-20.98E (B) 13-20.44N 080-23.48E, 13-20.43N 080-24.18E, 13-19.51N 080-24.17E, 13-19.52N 080-23.48E RESPECTIVELY

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Analysis

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Wave recorder and Acoustic Doppler Current Profiler (ADCP) have been deployed in two bounded areas off Kattupalli. Areas are given by four-point polygons (A) and (B) with coordinates listed in the message. Mariners are advised these instruments are in the water in the named areas and to navigate with caution and keep a sharp lookout.

Navigate with caution and keep a sharp lookout in the stated areas.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Off Kattupalli
Hazards: deployed wave recorder, deployed Acoustic Doppler Current Profiler (ADCP)
References: INDIAN NAV WARNING (INW) 934.
Charts: 313, 356

Coast stations for this area

DSCDSC Station ChennaiMRCC ChennaiIndiaMMSI 004194401VHF 25, MFrange 25 NM14 NM from the area
DSCDSC Station MandapamMRCC ChennaiIndiaMMSI 004194406VHF 20, MF 250, HFrange 250 NM254 NM from the area
DSCDSC Station TuticornMRCC ChennaiIndiaMMSI 004194405VHF 20range 20 NM303 NM from the area
DSCDSC Station VishakhapatnamMRCC ChennaiIndiaMMSI 004194402VHF 20range 20 NM312 NM from the area
DSCDSC Station KochiMRCC MumbaiIndiaMMSI 004192205VHF 20range 20 NM314 NM from the area

Worked out automatically from the warning text on 02 Nov 2026, 12:43 UTC. It can be wrong: the official warning text is the authority.

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