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 966/991999-09-18 → 1999-09-25
    Karratha dgps station 20-42.4S 116-47.0E unreliable
  2. HYDROPAC 850/991999-08-27 → 1999-09-02
    RACON at red bluff light 17-03.5S 122-19.0E unreliable
  3. HYDROPAC 849/991999-08-27 → 1999-09-02
    RACON at east island light 16-54.2S 122-11.7E unreliable
  4. HYDROPAC 651/991999-07-19 → 1999-07-21
    Point cloates light 22-42.5S 113-40.7E unreliable
  5. HYDROPAC 536/991999-06-17 → 1999-06-17
    North island light 28-17.6S 113-35.6E unreliable
  6. HYDROPAC 227/991999-03-24 → 1999-10-25
    Griffen venture mooring buoy 21-13.4S 114-38.8E unlit and RACON inoperative
  7. HYDROPAC 223/991999-03-22 → 1999-03-29
    North west cape light 21-48.4S 114-09.3E unlit
  8. HYDROPAC 219/991999-03-21 → 1999-03-23
    Point d'entrecasteaux light 34-50.4S 116-00.1E unlit
  9. HYDROPAC 212/991999-03-18 → 1999-03-20
    D'entrecasteaux point light 34-50.4S 116-00.1E unlit
  10. HYDROPAC 209/991999-03-18 → 1999-03-22
    Cape inscription light 25-28.9S 112-58.3E unlit
  11. HYDROPAC 61/991999-01-21 → 1999-02-02
    Cable buoy, yellow, fl w with ra ref established in 06-47.5S 104-28.9E
  12. HYDROPAC 936/981998-12-04 → 1999-01-19
    Geraldton fairway buoy 28-46.0S 114-32.6E temporarily removed
  13. HYDROPAC 110/991998-02-08 → 1999-02-17
    Karratha dgps service 20-45S 116-27E temporarily discontinued

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 10 · seahazards