Aids-to-navigation notices in the Indian Ocean

Lights extinguished, buoys off station, RACON/NAVTEX outages.

in force
4
last 12 months
8
vs previous 12 (2)
+300%
since 1998
467

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 4

  1. HYDROPAC 2330/26in force2026-08-14
    Four yellow buoys with flashing yellow light every 5 seconds established near 29-27.00S 114-52.18E.
    Eastern Indian Ocean · Australia
  2. AUSCOAST 273/26in force2026-08-14
    Four yellow surface buoys with flashing yellow light every 5 seconds established within 0.3 nautical miles of 29-27.00S 114-52.18E.
  3. HYDROPAC 2115/26in force2026-07-24
    Cliff Head platform at 29-26.99S 114-52.18E is unlit; the Hydropac warning 2088/26 is canceled.
    Eastern Indian Ocean · Australia
  4. AUSCOAST 253/26in force2026-07-24
    Cliff Head Platform light in position 29-26.99S 114-52.18E is unlit.

Longest in force

  1. AUSCOAST 253/26in force2026-07-24 · 29 d
    Cliff Head Platform light in position 29-26.99S 114-52.18E is unlit.
  2. HYDROPAC 2115/26in force2026-07-24 · 29 d
    Cliff Head platform at 29-26.99S 114-52.18E is unlit; the Hydropac warning 2088/26 is canceled.
    Eastern Indian Ocean · Australia
  3. AUSCOAST 273/26in force2026-08-14 · 8 d
    Four yellow surface buoys with flashing yellow light every 5 seconds established within 0.3 nautical miles of 29-27.00S 114-52.18E.
  4. HYDROPAC 2330/26in force2026-08-14 · 8 d
    Four yellow buoys with flashing yellow light every 5 seconds established near 29-27.00S 114-52.18E.
    Eastern Indian Ocean · Australia

By year

98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the Indian Ocean

Archive · 463 cancelled

  1. HYDROPAC 842/042004-05-12 → 2004-09-01
    Albatross island light 16-15S 059-34E unlit
  2. HYDROPAC 786/042004-05-01 → 2004-05-02
    Freshwater point light 29-36S 114-59E unlit
  3. HYDROPAC 568/042004-03-28 → 2004-04-01
    Port hedland buoy 2E 20-03.2S 118-32.7E unlit
  4. HYDROPAC 543/042004-03-25 → 2004-03-27
    Foul bay light 34-15.0S 115-02.2E unlit
  5. HYDROPAC 520/042004-03-21 → 2004-04-07
    Cervantes island rear range light 30-28.6S 115-04.4E temporarily removed
  6. HYDROPAC 350/042004-02-25 → 2003-02-26
    GPS unreliable 260001Z to 260900Z feb within 48 miles of 32-12S 115-42E
  7. HYDROPAC 248/042004-02-09 → 2004-02-12
    Gantheaume point light 17-58.5S 122-10.6E unlit
  8. HYDROPAC 1949/032003-11-12 → 2004-01-12
    Browse island light 14-06.2S 123-32.9E changed to: fl (2) w 10 sec 11 meters 11 miles
  9. HYDROPAC 1871/032003-10-27 → 2003-11-12
    Browse island light 14-06.6S 123-32.7E temporarily changed to: fl (2) w 10 sec 11 miles
  10. HYDROPAC 1860/032003-10-26 → 2003-10-27
    RACON at browse island light 14-06.6S 123-32.8E inoperative
  11. HYDROPAC 1607/032003-09-18 → 2003-09-20
    Freshwater point light 29-36.0S 114-59.0E unlit
  12. HYDROPAC 1585/032003-09-14 → 2003-09-15
    North west cape light 21-48.4S 114-09.7E unreliable
  13. HYDROPAC 1570/032003-09-12 → 2003-09-13
    North west cape light 21-48.4S 114-09.7E unlit
  14. HYDROPAC 1078/032003-06-23 → 2003-06-26
    RACON at C1 buoy 19-59.6S 118-26.1E inoperative
  15. HYDROPAC 366/032003-02-28 → 2003-03-10
    Cape leveque light 16-23.8S 122-55.7E unlit
  16. HYDROPAC 249/032003-02-11 → 2003-02-12
    RACON at imperieuse reef light 17-31.1S 118-56.8E inoperative
  17. HYDROPAC 189/032003-02-02 → 2003-02-11
    RACON at imperieuse reef light 17-31.1S 118-56.8E inoperative
  18. HYDROPAC 187/032003-02-02 → 2003-02-11
    Imperieuse reef light 17-31.1S 118-56.8E unlit
  19. HYDROPAC 126/032003-01-24 → 2003-02-14
    Ile tromelin light 15-53S 054-31E unlit
  20. HYDROPAC 84/032003-01-17 → 2003-02-28
    Cap d'ambre light 11-57S 049-17E unlit
  21. HYDROPAC 69/032003-01-15 → 2003-01-23
    Ile tromelin light 15-53.0S 054-31.0E unlit until 231200Z jan
  22. HYDROPAC 35/032003-01-09 → 2003-01-10
    Maatsuyker island light 43-39.5S 146-16.2E unlit
  23. HYDROPAC 5/032003-01-03 → 2003-01-15
    Ile tromelin light 15-53.0S 054-31.0E unlit
  24. HYDROPAC 1770/022002-09-27 → 2002-09-30
    Pointe de bel air light 20-52.3S 055-36.0E unreliable
  25. HYDROPAC 1681/022002-09-15 → 2002-09-16
    Pointe de bel air light 20-53.3S 055-36.5E unreliable
  26. HYDROPAC 1618/022002-09-05 → 2002-10-05
    Bel air light 20-53.3S 055-36.5E unreliable
  27. HYDROPAC 1281/022002-07-09 → 2002-07-10
    Casuarina point light 33-19S 115-38E unlit
  28. HYDROPAC 852/022002-05-07 → 2002-05-08
    Adele island light 15-30.7S 123-09.4E unlit
  29. HYDROPAC 850/022002-05-07 → 2002-05-08
    RACON at adele island light 15-30.7S 123-09.4E temporarily discontinued
  30. HYDROPAC 1809/012001-11-09 → 2001-11-15
    Mount klein light 32-12.8S 115-40.4E unlit
  31. HYDROPAC 1672/012001-10-16 → 2001-10-19
    Cape leveque light 16-23.8S 122-55.7E unlit
  32. HYDROPAC 1658/012001-10-14 → 2001-10-18
    RACON at cape leveque light 16-23.8S 122-55.7E unreliable
  33. HYDROPAC 1361/012001-08-20 → 2001-08-23
    RACON at bedout islet light 19-35.4S 119-06.0E unreliable
  34. HYDROPAC 1037/012001-07-04 → 2001-07-06
    Gantheaume point light 17-58.5S 122-10.6E unlit
  35. HYDROPAC 568/012001-04-17 → 2001-04-20
    Pelsaert island light 28-59.4S 113-57.7E unlit
  36. HYDROPAC 289/012001-02-21 → 2001-02-24
    RACON at red bluff light 17-03.5S 122-19.0E off air
  37. HYDROPAC 1692/002000-11-20 → 2001-02-02
    Cape recife light 34-01.7S 025-42.1E temporarily changed to: f & LFL(3) wr 117 sec
  38. HYDROPAC 1572/002000-10-26 → 2000-10-27
    Guilderton light 31-20.4S 115-29.4E unlit
  39. HYDROPAC 1201/002000-08-13 → 2000-12-19
    Unlit white mooring buoy established in 13-13.7S 122-33.1E
  40. HYDROPAC 839/002000-06-06 → 2000-06-07
    Gantheaume point light 17-58.5S 122-10.6E unlit
  41. HYDROPAC 813/002000-05-31 → 2000-06-02
    Karratha dgps station 20-45S 116-27E inoperative
  42. HYDROPAC 468/002000-03-20 → 2000-03-22
    RACON at adele island light 15-30.6S 123-09.2E inoperative
  43. HYDROPAC 353/002000-03-01 → 2000-03-02
    Rottnest island light 32-00.5S 115-30.1E unlit
  44. HYDROPAC 294/002000-02-20 → 2000-03-17
    Orange unlit mooring buoy established in 21-21.3S 114-04.1E
  45. HYDROPAC 84/002000-01-15 → 2000-01-16
    Rottnest island light 32-00.5S 115-30.1E unlit
  46. HYDROPAC 82/002000-01-15 → 2000-01-15
    Cape vlaming light 32-01.5S 115-26.8E unlit
  47. HYDROPAC 1408/991999-12-15 → 1999-12-29
    Karratha dgps station 20-45S 116-27E at reduced power
  48. HYDROPAC 1128/991999-10-24 → 1999-11-18
    Griffin venture riser light 21-13.4S 114-38.7E unlit and RACON inoperative
  49. HYDROPAC 1063/991999-10-10 → 1999-10-10
    Bathurst point light 31-59.4S 115-32.4E unlit
  50. HYDROPAC 1058/991999-10-09 → 1999-10-10
    Rottnest island light 32-00.5S 115-30.2E unreliable

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Aids-to-navigation notices in the Indian Ocean — page 9 · seahazards