Surveys
Underwater operations 1831Z to 0430Z commencing daily 02 thru 04 mar in area bound by 18-52.00N 072-49.00E,…
India-west Coast · HYDROPAC 659/11
- issued
- 2011-03-02 01:30Z
- status
- cancelled 2011-03-05 05:30Z (archive)
- self-cancels
- 2011-03-05 05:30Z
- authority
- NAVAREA VIII 156/11 011002Z MAR 11.
- sea
- Arabian Sea
- position
- 18.868, 72.824
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
INDIA-WEST COAST. 1. UNDERWATER OPERATIONS 1831Z TO 0430Z COMMENCING DAILY 02 THRU 04 MAR IN AREA BOUND BY 18-52.00N 072-49.00E, 18-52.38N 072-49.72E, 18-52.00N 072-49.90E, 18-51.78N 072-49.10E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 050530Z MAR.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-03-02 18:31Z | 2011-03-03 04:30Z | — | 9 h 59 |
| 2011-03-03 18:31Z | 2011-03-04 04:30Z | — | 9 h 59 |
| 2011-03-04 18:31Z | 2011-03-05 04:30Z | — | 9 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
543 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now
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05
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15
20
25
26
- Survey operations 15 jul thru 14 aug by M/V trimurti in area bound by 19-07.08N 072-48.20E, 19-05.68N…2026-07-15
- Survey operations in progress until 08 jun by M/V vyacheslav tikhonov in area bound by 19-58.07N 071-28.78E,…2024-05-08
- Underwater operations in progress until 15 may by M/V, WILCHIEF-1, M/V freight 54, M/V sea conquest, M/V sea…2024-05-06
- Survey operations in progress until 15 jun by M/V orion laxmi in area bound by 20-56.26N 072-19.68E,…2024-05-03
- Survey operations in progress until 15 may by M/V jt odyssey 1 and M/V aht creative 1 in vicnity of…2024-05-03
- Underwater operations in progress until 15 may by seamec glorious along trackline joining 20-36.00N…2024-04-24
Season · when survey operations happen here
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F
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month of issue, all years in the archive
Nearby now · within 120 nm
- Survey operations 15 jul thru 14 aug by M/V trimurti in area bound by 19-07.08N 072-48.20E, 19-05.68N…Surveys · 13.8 nm
- Derelict M/V al jafzia aground in 19-11.50N 072-46.40EDerelicts · 19.7 nm
- 6.2 meter depths reported in vicinity: a. 18-17.72N 072-55.18EWrecks · 34.8 nm
- Hazardous operations 190230Z to 191130Z in area bound by 20-26.00N 072-27.00E, 20-26.00N 072-40.00E,…Exercises · 102.1 nm
Worldwide now
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.