Nav aids
Ilha do frances light 20-55.6S 040-45.3W unlit until 12 jun 18
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 4049/17
- issued
- 2017-12-14 17:38Z
- status
- cancelled 2017-12-21 01:15Z (archive)
- authority
- NAVAREA V COASTAL E 1007/17 141732Z DEC 17.
- sea
- South Atlantic Ocean
- position
- -20.927, -40.755
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. CHART 24170. 1. ILHA DO FRANCES LIGHT 20-55.6S 040-45.3W UNLIT UNTIL 12 JUN 18. 2. CANCEL THIS MSG 13 JUN 18.
This area · aids-to-navigation notices
287 within 180 nm since 1998 · 3 in the last 12 months · 3 in force now
98
00
05
10
15
20
25
26
- 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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 4049/17 and this msgcancelled by · 2017-12-21
Nearby now · within 120 nm
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 26 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 38.7 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 · 45.7 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 · 46 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 · 46.3 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 · 46.8 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 · 47.1 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 · 48.1 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 · 48.7 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 · 54.8 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 59.1 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 62.2 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.