RACON at sao tome light 22-02.52S 041-03.17W inoperative until 24 mar
South Atlantic Ocean · HYDROLANT 1907/26
What this record establishes
Cancelled notice · 2026-09-28 16:45Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-26 01:13Z. First collected 2026-09-28 19:32Z; last seen in collection 2026-09-28 22:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- South Atlantic Ocean. The parsed report position is -22.042, -41.053. 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
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepcancelled by this notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2026-09-26 01:13Z
- status
- Cancelled notice
- self-cancels
- 2027-03-25 00:01Z
- sea
- South Atlantic Ocean
- position
- -22.042, -41.053
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-28 19:32Z
Original warning text
SOUTH ATLANTIC. BRAZIL. 1. RACON AT SAO TOME LIGHT 22-02.52S 041-03.17W INOPERATIVE UNTIL 24 MAR. 2. CANCEL HYDROLANT 657/26. 3. CANCEL THIS MSG 250001Z MAR 27.
Reading this warning
- 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.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · aids-to-navigation notices
343 within 180 nm since 1998 · 6 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.
- Barra de itabapoana light 21-18.82S 040-57.95W unlit until 01 mar 272026-09-03
- Odas buoy temporarily established until 21 aug 27 in 21-34.20S 040-43.62W2026-08-21
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62W2026-04-14
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sep2026-04-02
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 262026-03-13
- Odas buoy temporarily established in 21-46.26S 040-32.28W2024-09-19
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
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 42.8 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 87.6 nm
- Underwater operations 0800Z to 1800Z daily 26 sep thru 10 oct by M/V comando b in 20-23.78S 040-09.43WSurveys · 110.8 nm
Worldwide in the collected sources
138 aids-to-navigation notices listed in force · see all
Record snapshot 2026-09-28 22:33Z; 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.