Aids-to-navigation notices in the Singapore Strait

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

in force
2
last 12 months
2
vs previous 12 (0)
—
since 1999
30

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 · 2

  1. HYDROPAC 1796/26in force2026-06-21
    In the Singapore Strait, Malaysia, the Batu Berhanti isolated danger light buoy at 01-11.76N 103-52.51E is temporarily removed.
    Singapore Strait · Malaysia
  2. NAVAREA XI 273/26in force2026-06-21
    In Singapore Strait, Batu Berhanti isolated danger marks light buoy at 01-11.76N 103-52.51E is temporarily removed.
    Singapore Strait

Longest in force

  1. NAVAREA XI 273/26in force2026-06-21 · 62 d
    In Singapore Strait, Batu Berhanti isolated danger marks light buoy at 01-11.76N 103-52.51E is temporarily removed.
    Singapore Strait
  2. HYDROPAC 1796/26in force2026-06-21 · 62 d
    In the Singapore Strait, Malaysia, the Batu Berhanti isolated danger light buoy at 01-11.76N 103-52.51E is temporarily removed.
    Singapore Strait · Malaysia

By year

99
00
01
05
06
08
09
13
14
15
16
17
18
19
26

By month (all years)

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

Other hazards in the Singapore Strait

Archive · 28 cancelled

  1. HYDROPAC 3225/192019-09-29 → 2019-10-13
    Batu berhanti isolated danger marks light buoy 01-11.8N 103-52.5E missing
    Singapore Strait · Indonesia
  2. HYDROPAC 2411/182018-07-01 → 2018-09-07
    Batu berhanti isolated danger marks light buoy 01-11.1N 103-53.0E unlit
    Singapore Strait · Indonesia
  3. HYDROPAC 1921/182018-05-20 → 2018-07-01
    Batu berhanti isolated danger marks light buoy 01-11.76N 103-52.51E temporarily removed
    Singapore Strait · Indonesia
  4. HYDROPAC 4657/172017-12-31 → 2018-09-07
    Racons off air at: a. pulau batu putch light 01-19.8N 104-24.3E
    Singapore Strait · Indonesia
  5. HYDROPAC 825/162016-03-21 → 2016-04-10
    NAVTEX station singapore 01-21N 103-59E inoperative
    Singapore Strait · Singapore · NAVTEX
  6. HYDROPAC 4020/152015-12-10 → 2018-09-07
    RACON at helen mar reef light 01-07.4N 103-46.5E off air
    Singapore Strait
  7. HYDROPAC 3513/152015-10-26 → 2015-12-07
    Batu berhanti buoy 01-11.1N 103-53.0E temporarily removed
    Singapore Strait
  8. HYDROPAC 1588/152015-05-14 → 2016-05-19
    RACON at pulau mungging light 01-21.7N 104-17.9E off air
    Singapore Strait
  9. HYDROPAC 246/142014-01-24 → 2015-03-12
    Singapore Strait
  10. HYDROPAC 2249/132013-07-29 → 2014-12-01
    Cancel HYDROPAC 2242/13
    Singapore Strait
  11. HYDROPAC 2169/132013-07-23 → 2013-07-30
    Changi naval base light 01-19.1N 104-02.1E unlit
    Singapore Strait
  12. HYDROPAC 2249/092009-12-01 → 2009-12-14
    Nga chart 71252 (2ND ed)
  13. HYDROPAC 1153/082008-06-19 → 2008-06-22
    Nga chart 71252 (2ND ed)
  14. HYDROPAC 2468/062006-12-18 → 2008-02-10
    Radio beacon at pulau mungging light 01-21.7N 104-17.9E off air
  15. HYDROPAC 406/052005-03-06 → 2005-10-27
    RACON at pulau mungging light 01-21.7N 104-17.8E off air
  16. HYDROPAC 2105/012001-12-27 → 2002-09-21
    Batu berhanti buoy 01-11.1N 103-53.0E missing
  17. HYDROPAC 1558/012001-09-27 → 2002-01-18
    Sultan fairway will be permanently closed on 01 oct
  18. HYDROPAC 1362/012001-08-20 → 2001-08-30
    Batu berhanti buoy relocated to vicinity 01-14N 103-55E
  19. HYDROPAC 1217/012001-07-30 → 2002-02-27
    RACON at nipa reef light 01-09.2N 103-39.4E off air
  20. HYDROPAC 1077/012001-07-09 → 2001-07-30
    Batu berhanti lightfloat 01-11.7N 103-52.5E missing
  21. HYDROPAC 818/012001-05-28 → 2001-05-30
    Batu berhanti buoy 01-11.7N 103-52.5E unlit
  22. HYDROPAC 640/012001-04-27 → 2001-05-07
    Batu berhanti buoy 01-11.7N 103-52.5E off station
  23. HYDROPAC 384/012001-03-13 → 2002-05-03
    RACON at pulau mungging light 01-21.7N 104-17.8E off air
  24. HYDROPAC 895/002000-06-17 → 2000-06-17
    Batu berhanti buoy 01-11-43N 103-52-29E temporarily removed
  25. HYDROPAC 950/991999-09-14 → 1999-09-28
    Buoy 01-11.7N 103-52.5E missing
  26. HYDROPAC 842/991999-08-26 → 1999-08-30
    Batu berhanti buoy 01-11.7N 103-52.5E missing
  27. HYDROPAC 590/991999-07-02 → 1999-07-03
    Batu berhanti buoy 01-11.7N 103-52.5E missing
  28. HYDROPAC 495/991999-06-02 → 1999-08-31
    RACON at nipa reef light 01-09.2N 103-39.4E off air

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.