Nav aids
Ponta do retiro light 21-21.6S 040-57.8W unlit
HYDROLANT 481/99
- issued
- 1999-03-10 08:30Z
- status
- cancelled 1999-03-19 00:00Z (archive)
- cancels
- HYDROLANT 445/99
- position
- -21.360, -40.963
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
CHART 24170 (14TH ED). 1. PONTA DO RETIRO LIGHT 21-21.6S 040-57.8W UNLIT. 2. CANCEL HYDROLANT 445/99.
This area · aids-to-navigation notices
343 within 180 nm since 1998 · 3 in the last 12 months · 3 in force now
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- 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
- Five odas buoys temporarily established until 14 aug in vicinity 21-46.26S 040-32.28W2024-02-17
Season · when aids-to-navigation notices happen here
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month of issue, all years in the archive
Timeline
- Contas light 14-16.4S 038-59.1W unreliablereplaced · 1999-03-05
- HYDROLANT messages in force 190800Z mar 99cancelled by · 1999-03-19
Nearby now · within 120 nm
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 2.8 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 18.3 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 · 29.9 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 35 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 37 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 41.3 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 68.1 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 71.9 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 · 73 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 · 73.2 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 · 73.5 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 · 73.9 nm
Worldwide now
158 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.