Nav aids

Radiobeacon, dgps station, and RACON at calcanhar light 05-09.66S 035-29.20W inoperative until 24 may

South Atlantic Ocean · HYDROLANT 1435/01

What this record establishes

Archived notice · 2001-05-25 00:00Z

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 V 866/01 AOR-E EGC #928 171231Z MAY 01; WZ 1079/01 170834Z MAY 01; WZ 1081/01 171036Z MAY 01. Issued 2001-05-17 14:13Z. 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 Atlantic Ocean. The parsed report position is -5.161, -35.487. 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 South Atlantic Ocean →

issued
2001-05-17 14:13Z
status
Archived notice
authority
NAVAREA V 866/01 AOR-E EGC #928 171231Z MAY 01; WZ 1079/01 170834Z MAY 01; WZ 1081/01 171036Z MAY 01
NAVAREA
NAVAREA V · named as the source of this relay
sea
South Atlantic Ocean
position
-5.161, -35.487
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 24230 (20TH ED).
1. RADIOBEACON, DGPS STATION, AND RACON AT CALCANHAR LIGHT
   05-09.66S 035-29.20W INOPERATIVE UNTIL 24 MAY.
2. CANCEL HYDROLANT 1355/01(36), OPERATION COMPLETED.
3. CANCEL HYDROLANT 1410/01(36), OPERATION SUSPENDED.
4. CANCEL THIS MSG 25 MAY.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
GNSS / GPS
Satellite positioning — GPS and other systems — and the testing, jamming and interference that make it unreliable in an area.
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.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · aids-to-navigation notices

245 within 180 nm since 1998 · 4 in the last 12 months · 2 listed in force now

98
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

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

Record snapshot 2026-10-04 05:49Z; 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.