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 765/072007-04-26 → 2008-07-19
    Airlie island light 21-19.4S 115-10.0E, range changed to 16 miles
  2. HYDROPAC 754/072007-04-24 → 2007-04-25
    Rottnest island light 32-00.5S 115-30.1E unlit
  3. HYDROPAC 706/072007-04-19 → 2008-08-17
    RACON (n) established at north island light 28-18S 113-35E
  4. HYDROPAC 680/072007-04-16 → 2008-02-10
    RACON (X) established and range increased to 18 miles at pelsaert island light 28-59.4S 113-57.7E
  5. HYDROPAC 583/072007-03-30 → 2008-02-10
    Browse island light 14-06.6S 123-32.8E unlit, RACON temporarily discontinued
  6. HYDROPAC 330/072007-02-23 → 2008-02-10
    Gantheaume point light 17-58.5S 122-10.5E unlit
  7. HYDROPAC 228/072007-02-05 → 2008-02-10
    Northwest cape light 21-48.4S 114-09.6E unlit
  8. HYDROPAC 127/072007-01-19 → 2007-01-29
    North west cape light 21-48.4S 114-09.6E unlit
  9. HYDROPAC 1712/062006-09-02 → 2008-02-10
    RACON at port hedland beacon C1 19-59.6S 118-26.1E inoperative
  10. HYDROPAC 1676/062006-08-29 → 2008-02-10
    Perth dgps station 31-47S 115-56E inoperative
  11. HYDROPAC 1567/062006-08-17 → 2008-02-10
    Karratha dgps station 20-42.4S 116-47.0E inoperative
  12. HYDROPAC 1542/062006-08-14 → 2006-08-23
    Karratha dgps station 20-42.4S 116-47.0E inoperative
  13. HYDROPAC 1418/062006-07-28 → 2006-08-23
    Karratha dgps station 20-42.4S 116-46.4E inoperative
  14. HYDROPAC 1395/062006-07-25 → 2006-07-26
    Rottnest island light 32-00.5S 115-30.1E unreliable
  15. HYDROPAC 1257/062006-07-03 → 2006-07-03
    Perth dgps station 31-47.9S 115-56.0E inoperative
  16. HYDROPAC 1113/062006-06-17 → 2007-03-22
    RACON at cape leveque light 16-23.8S 122-55.7E discontinued
  17. HYDROPAC 1084/062006-06-13 → 2007-03-22
    Gantheaume point light 17-59.0S 122-11.0E changed to: fl w 10S 18 miles
  18. HYDROPAC 1017/062006-06-02 → 2008-06-14
    Racons discontinued at: 1. red bluff light 17-03.5S 122-19.0E
  19. HYDROPAC 896/062006-05-15 → 2008-02-10
    Mary anne reef light 21-15.2S 115-27.2E destroyed
  20. HYDROPAC 858/062006-05-09 → 2006-05-10
    Port hedland beacon C3 20-02.3S 118-24.8E unreliable
  21. HYDROPAC 840/062006-05-07 → 2006-05-15
    Pointe de bel air light 20-54.2S 055-36.2E unreliable
  22. HYDROPAC 821/062006-05-04 → 2006-05-10
    Port hedland beacon C11 20-08.1S 118-29.0E unreliable
  23. HYDROPAC 644/062006-04-11 → 2006-06-07
    Karraatha dgps station 20-42.4S 116-46.4E unreliable
  24. HYDROPAC 549/062006-03-30 → 2006-03-31
    Exmouth dgps station 21-53.1S 114-08.0E unreliable
  25. HYDROPAC 421/062006-03-13 → 2006-03-14
    Port hedland beacon 20-03.9S 118-25.1E unreliable
  26. HYDROPAC 52/062006-01-10 → 2006-01-10
    Karratha dgps station 20-42.4S 116-47.0E unreliable
  27. HYDROPAC 2149/052005-12-17 → 2005-12-18
    Rottnest island light 32-00.5S 115-30.1E unlit
  28. HYDROPAC 2103/052005-12-10 → 2005-12-11
    Karratha dgps station 20-42.4S 116-47.0E inoperative
  29. HYDROPAC 1878/052005-11-09 → 2005-11-14
    North west cape light 21-49S 114-08E unlit
  30. HYDROPAC 1486/052005-09-12 → 2005-09-13
    Rottnest island light 32-00.5S 115-30.1E unlit
  31. HYDROPAC 1390/052005-08-27 → 2005-10-06
    Platform campbell 20-24.9S 115-43.7E unlit
  32. HYDROPAC 1335/052005-08-19 → 2005-08-19
    Perth dgps station in 31-47.9S 115-56.0E inoperative
  33. HYDROPAC 1283/052005-08-09 → 2005-08-09
    Karratha dgps station 20-42.4S 116-47.0E inoperative
  34. HYDROPAC 937/052005-06-12 → 2005-10-27
    Point moore light 28-47.1S 114-34.7E unlit
  35. HYDROPAC 930/052005-06-09 → 2005-10-27
    2E buoy 20-03.2S 118-32.7E unlit
  36. HYDROPAC 928/052005-06-08 → 2005-09-22
    Welangilala light 16-45.2S 179-06.3W unlit and RACON inoperable
  37. HYDROPAC 832/052005-05-20 → 2005-05-22
    Cape naturaliste light 33-32.4S 115-01.0E range temporarily reduced to 19 miles
  38. HYDROPAC 713/052005-04-28 → 2005-10-27
    RACON at port walcott buoy C1 20-23.2S 117-25.6E inoperative
  39. HYDROPAC 588/052005-04-09 → 2005-10-27
    Point moore light 28-47.1S 114-34.7E unlit
  40. HYDROPAC 1969/042004-12-26 → 2005-03-02
    Gantheaume point light 17-58.5S 122-10.6E unlit
  41. HYDROPAC 1916/042004-12-15 → 2004-12-19
    C6 light 20-03.9S 118-25.1E unreliable
  42. HYDROPAC 1507/042004-09-21 → 2005-03-02
    RACON at bedout island light 19-35.4S 119-06.0E temporarily discontinued
  43. HYDROPAC 1506/042004-09-21 → 2004-09-21
    Bedout island light 19-35.4S 119-06.0E temporarily discontinued
  44. HYDROPAC 1480/042004-09-14 → 2004-09-15
    Cape leveque light 16-23.8S 122-55.7E unlit
  45. HYDROPAC 1315/042004-08-12 → 2004-08-12
    Karratha dgps station 20-42.4S 116-47.0E inoperative
  46. HYDROPAC 1044/042004-06-23 → 2004-08-17
    Flat island light 19-52.7S 057-39.0E unlit
  47. HYDROPAC 1032/042004-06-22 → 2004-06-28
    Lights unlit: 1. mbatiki island light 17-46S 179-08E
  48. HYDROPAC 860/042004-05-16 → 2004-05-22
    RACON at cape leveque light 16-23.8S 122-55.7E off air
  49. HYDROPAC 846/042004-05-13 → 2004-05-22
    Red bluff light 17-03.5S 122-19.0E destroyed
  50. HYDROPAC 843/042004-05-12 → 2004-09-01
    Coco island light 16-49S 059-31E unlit

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 8 · seahazards