Surveys
Underwater operations in progress until 25 may by M/V hai yang shi you 941 within one mile of 21-48-46N…
Northern South China Sea · HYDROPAC 1315/13
- issued
- 2013-05-08 13:55Z
- status
- cancelled 2013-05-26 00:01Z (archive)
- cancels
- HYDROPAC 1277/13
- authority
- NAVAREA XI 337/13 080928Z MAY 13.
- position
- 21.813, 116.021 · r 1.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTHERN SOUTH CHINA SEA. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 25 MAY BY M/V HAI YANG SHI YOU 941 WITHIN ONE MILE OF 21-48-46N 116-01-14E. 2. CANCEL HYDROPAC 1277/13(83). 3. CANCEL THIS MSG 26 MAY 13.
This area · survey operations
14 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now
12
15
19
- Survey operations in progress until 14 sep by M/V sw vespucci towing five mile long cable in area bound by…2019-08-05
- Survey operations 28 sep thru 01 oct by M/V pgs apollo towing ten five mile long cables in area bound by…2017-09-27
- Survey operations in progress until further notice by M/V pgs apollo towing ten five mile long cables in…2017-09-13
- Survey operations in progress until 112200Z sep by M/V pgs apollo towing ten five mile long cables in area…2017-09-10
- Survey operations in progress until further notice by M/V pgs apollo towing ten five mile long cables in…2017-08-27
- Survey operations in progress until further notice by M/V pgs apollo towing ten five mile long cables in…2017-08-20
Season · when survey operations happen here
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M
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
75 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.