Structures

Platforms established in: a. 04-43.8N 104-53.1E

South China Sea · HYDROPAC 637/99

What this record establishes

Archived notice · 2001-01-19 11:50Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XI 428/99 140731Z JUL 99. Issued 1999-07-14 10:10Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: South China Sea. The parsed report position is 4.738, 104.823. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the South China Sea →

issued: 1999-07-14 10:10Z
status: Archived notice
authority: NAVAREA XI 428/99 140731Z JUL 99
NAVAREA: NAVAREA XI · named as the source of this relay
sea: South China Sea
position: 4.738, 104.823
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 93110 (1ST ED).
PLATFORMS ESTABLISHED IN:
A. 04-43.8N 104-53.1E.
B. 04-36.4N 104-48.5E.
C. 04-52.7N 104-46.5E.

Reading this warning

Chart reference: The number of the nautical chart on which the reported position lies.
Position (degrees and minutes): How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.

All warning terms →

Collected reports in this area · offshore structure notices

5 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Platform established in 04-33.6N 106-22.8E2019-11-25
Platform under construction until 18 sep in 05-08.1N 104-58.8E2015-08-18
Platform established in 06-07.2N 105-18.3E2006-06-28
Platform established in 05-12.6N 104-43.6E2001-11-10

Month of issue in the collected archive

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

2 offshore structure notices listed in force · see all

Record snapshot 2026-10-01 22:22Z; source collection times vary.

Structures

Platforms, wind turbines and fish farms established, under construction or removed. All current offshore structure notices →

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.