Guyana
North Atlantic Ocean · NAVAREA IV 461/13
What this record establishes
Archived notice · 2013-08-04 01:21Z
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) · TROY CLARKE 021947Z AUG 13.. Issued 2013-08-03 15:14Z. 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
- North Atlantic Ocean. The parsed report position is 6.818, -58.185. 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
- Cancel NAVAREA IV 461/13 and this msg, aid restoredlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2013-08-03 15:14Z
- status
- Archived notice
- authority
- TROY CLARKE 021947Z AUG 13.
- NAVAREA
- NAVAREA IV
- issued by
- TROY CLARKE
- sea
- North Atlantic Ocean
- position
- 6.818, -58.185
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. GUYANA. CHART 24380 DEMERARA RIVER REAR RANGE LIGHT 06-49.1N 058-11.1W UNLIT.
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.
- Unlit / extinguished
- A light, buoy or structure that is not showing its charted light.
Collected reports in this area · aids-to-navigation notices
11 within 180 nm since 2013 · 1 in the last 12 months · 2 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.
- Two odas buoys established in vicinity 06-57.93N 057-48.54W2025-12-24
- Odas buoy established in 07-02.67N 057-58.65W2024-03-21
- Corocoro island lighthouse, fl 10 sec 30 meters 35 miles, established in 08-33.40N 059-59.75W2023-08-25
- Odas buoys established in: a. 08-04.16N 057-04.51W2022-08-23
- Demerara entrance buoy 06-56.80N 058-03.43W unlit2021-04-15
- Punta barima light 08-35.1N 060-25.0W unreliable2019-10-24
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
- Survey operations in progress until 31 dec by vessel aht DN87 and tug telesto in area bound by 07-03.06N…Surveys · 9.8 nm
- Barge trader III sank in 06-53.77N 057-53.43WWrecks · 18.2 nm
- Odas buoy established in 07-02.67N 057-58.65WNav aids · 18.4 nm
- Two odas buoys established in vicinity 06-57.93N 057-48.54WNav aids · 24.1 nm
- M/V barima sank in 07-28.23N 058-23.40WWrecks · 41 nm
- Survey operations in progress until 16 nov by M/V seaquest in area bound by 07-57.54N 058-27.64W, 07-57.95N…Surveys · 46.9 nm
- Survey operations in progress until 16 nov by M/V sea horse II in area bound by 07-57.54N 058-27.64W,…Surveys · 46.9 nm
- Survey operations in progress until 15 nov by M/V moonrise g in area bound by 07-50.19N 058-24.50W,…Surveys · 49.8 nm
- Survey operations in progress until 15 nov by M/V bgp prospector in area bound by 07-50.19N 058-24.50W,…Surveys · 49.8 nm
- Underwater operations in progress until 31 dec by M/V c-worker 1 in area bound by 07-54.85N 057-06.47W,…Surveys · 101 nm
- Survey operations in progress until 31 dec 26 by M/V fugro brasilis in area bound by: 08-00.00N 057-09.90W,…Surveys · 101.8 nm
- Survey operations in progress until 31 dec 26 by vessel bos princess in area bound by 08-09.73N 057-09.73W,…Surveys · 105.8 nm
Worldwide in the collected sources
138 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-01 10:55Z; 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.