Surveys
Hydrographic survey 081830Z to 171830Z nov in area between 20-14.5N 20-17.5N and 086-39.0E 086-43.6E
India-east Coast · Bay of Bengal · HYDROPAC 3108/11
- issued
- 2011-11-03 11:18Z
- status
- cancelled 2011-11-17 19:30Z (archive)
- self-cancels
- 2011-11-17 19:30Z
- authority
- NAVAREA VIII 625/11 031003Z NOV 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
INDIA-EAST COAST. BAY OF BENGAL. 1. HYDROGRAPHIC SURVEY 081830Z TO 171830Z NOV IN AREA BETWEEN 20-14.5N 20-17.5N AND 086-39.0E 086-43.6E. 2. CANCEL THIS MSG 171930Z NOV.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-11-08 18:30Z | 2011-11-17 18:30Z | — | 216 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Nearby now · within 120 nm
Nothing else in force within 120 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.