Nav aids

RACON at nipa reef light 01-09.2N 103-39.4E off air

Singapore Strait · HYDROPAC 1217/01

What this record establishes

Archived notice · 2002-02-27 14:55Z

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 471/01 300218Z JUL 01; NAVAREA XI 475/01 300801Z JUL 01. Issued 2001-07-30 08:20Z. 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
Singapore Strait. The parsed report position is 1.153, 103.657. 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 Singapore Strait →

issued
2001-07-30 08:20Z
status
Archived notice
authority
NAVAREA XI 471/01 300218Z JUL 01; NAVAREA XI 475/01 300801Z JUL 01
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Singapore Strait
position
1.153, 103.657
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 71265 (2ND ED).
1. RACON AT NIPA REEF LIGHT 01-09.2N 103-39.4E OFF AIR.
2. CANCEL HYDROPAC 1077/01, AID RESTORED.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
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.
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.
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 · aids-to-navigation notices

68 within 180 nm since 1999 · 2 in the last 12 months · 2 listed in force now

99
00
05
10
15
20
25
26

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

Worldwide in the collected sources

137 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-02 04:34Z; source collection times vary.

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation 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.