Wrecks

Blenhein shoal light 03-00.9N 100-51.8E unlit and RACON off air

Malacca Strait · HYDROPAC 496/01

What this record establishes

Archived notice · 2001-05-04 09:25Z

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 173/01 020430Z APR 01; GUAMSARCOORD 020701Z APR 01. Issued 2001-04-02 07:20Z. 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
Malacca Strait. The parsed report position is 3.015, 100.863. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Malacca Strait →

issued
2001-04-02 07:20Z
status
Archived notice
authority
NAVAREA XI 173/01 020430Z APR 01; GUAMSARCOORD 020701Z APR 01
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Malacca Strait
position
3.015, 100.863
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 71285 (3RD ED).
1. BLENHEIN SHOAL LIGHT 03-00.9N 100-51.8E UNLIT
   AND RACON OFF AIR.
2. CANCEL HYDROPAC 491/01(81), SIGNAL CEASED.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
Shoal / reported depth
Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
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.
Unlit / extinguished
A light, buoy or structure that is not showing its charted light.
RACON (radar beacon)
A radar beacon on a buoy, lighthouse or structure that answers a ship's radar with a Morse-code mark on the screen.
Inoperative / unreliable / off air
An aid or radio service is not working as charted or published.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.

All warning terms →

Collected reports in this area · wrecks & obstructions

12 within 180 nm since 1996 · 0 in the last 12 months · 0 listed in force now

96
00
05
10
15
20
23

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-10-02 07:15Z; source collection times vary.

Wrecks

Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →

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.