Surveys
Survey operations 12 jul thru 30 sep by M/V le quoc 01 in area bound by 19-23-26.5N 105-49-44.5E,…
Gulf of Tonkin · Vietnam · HYDROPAC 2035/14
- issued
- 2014-07-10 13:17Z
- status
- cancelled 2014-10-01 00:01Z (archive)
- authority
- HAIPHONG RADIO 101230Z JUL 14.
- sea
- South China Sea
- position
- 19.386, 105.978
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF TONKIN. VIETNAM. 1. SURVEY OPERATIONS 12 JUL THRU 30 SEP BY M/V LE QUOC 01 IN AREA BOUND BY 19-23-26.5N 105-49-44.5E, 19-25-12.2N 105-54-31.7E, 19-22-19.5N 106-05-22.7E, 19-22-35.2N 106-05-27.3E, 19-22-08.8N 106-07-06.3E, 19-20-35.2N 106-06-38.6E, 19-21-01.2N 106-04-59.6E, 19-21-16.9N 106-05-04.2E, 19-24-03.8N 105-54-35.3E, 19-22-25.9N 105-50-09.3E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 01 OCT 14.
This area · survey operations
4 within 180 nm since 2011 · 0 in the last 12 months · 0 in force now
11
14
- Underwater operations 0001Z to 1200Z daily until 31 dec in area bound by 18-51.0N 108-14.0E, 18-50.2N…2014-12-22
- Survey operations in progress until 15 sep by M/V bp 05-04-05 towing 250 meter long cable in area bound by…2014-07-01
- Drilling operations in progress until 10 may by drilling vessel nanhai 4 within 2000 meters of 18-36.3N…2011-04-22
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
83 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.