Surveys

Underwater operations in progress until 27 dec by M/V ocean guardian in area bound by 16-04.71N 119-42.50E,…

South China Sea · Philippines · HYDROPAC 3891/23

issued
2023-12-12 05:40Z
status
cancelled 2023-12-28 00:01Z (archive)
self-cancels
2023-12-28 00:01Z
authority
NAVAREA XI 446/23 120232Z DEC 23.
position
15.929, 119.624
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
PHILIPPINES.
DNC 23.
1. UNDERWATER OPERATIONS IN PROGRESS
   UNTIL 27 DEC BY M/V OCEAN GUARDIAN
   IN AREA BOUND BY
   16-04.71N 119-42.50E, 16-02.72N 119-23.53E,
   15-45.04N 119-38.85E, 15-46.04N 119-47.43E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 280001Z DEC 23.

This area · survey operations

3 within 180 nm since 2022 · 0 in the last 12 months · 0 in force now

22
23

Season · when survey operations happen here

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A
M
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month of issue, all years in the archive

Nearby now · 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.