Nav aids
Ilha do boi light 20-18.6S 040-16.9W unlit until 08 nov
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 1291/21
- issued
- 2021-05-12 04:00Z
- status
- cancelled 2021-05-14 19:44Z (archive)
- authority
- NAVAREA V COASTAL E 359/21 120322Z MAY 21.
- sea
- South Atlantic Ocean
- position
- -20.310, -40.282
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. 1. ILHA DO BOI LIGHT 20-18.6S 040-16.9W UNLIT UNTIL 08 NOV. 2. CANCEL THIS MSG 09 NOV 21.
This area · aids-to-navigation notices
284 within 180 nm since 1998 · 4 in the last 12 months · 4 in force now
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- Yellow odas buoy established in 17-58.12S 038-41.48W until 19 oct2026-04-23
- 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
- RACON at sao tome light in 22-02.52S 041-03.17W off air until 24 aug2024-02-27
- Odas buoy, yellow, FL(5) y 20 sec, temporarily established until 18 aug in 21-46.26S 040-32.28W2024-02-20
Season · when aids-to-navigation notices happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 1291/21 and this msgcancelled by · 2021-05-14
Nearby now · within 120 nm
- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…Surveys · 7.5 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 8.6 nm
- Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…Surveys · 8.6 nm
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…Surveys · 8.6 nm
- Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38WSurveys · 8.7 nm
- Underwater operations 0800Z to 1800Z daily 02 thru 16 aug by M/V comando b and M/V royal topaz in 20-21.62S…Surveys · 8.9 nm
- Underwater operations 0800Z to 1800Z daily 08 thru 22 aug by M/V marsanne and M/V comando b in 20-23.57S…Surveys · 9 nm
- Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 30.2 nm
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 71.4 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 79.7 nm
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 96.4 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 99.8 nm
Worldwide now
193 aids-to-navigation notices in force · see all
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.