Great Australian Bight
IHO sea area 62 · 118° to 146° E, -44° to -31° N
- in force
- 5
- last 12 months
- 18
- archive messages
- 565
- categories
- 13
What the archive shows
565 messages are recorded since 1991-02-13 for the Great Australian Bight. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Nav aids accounts for 289 of 565 recorded messages (51%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2026-05-30 01:04ZThe vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.
In force now · 5
- AUSCOAST 292/26 · Nav aids2026-09-07Two 6 meter yellow buoys with white flashing light every 3 seconds are temporarily placed near 38-47.19S 142-36.00E; 2.5 nautical mile clearance requested.
- HYDROPAC 1864/26 · Nav aids2026-06-29A yellow six-meter buoy is established in the Great Australian Bight at 38-47.62S 142-37.77E; a three-mile berth is requested.
- AUSCOAST 228/26 · Nav aids2026-06-29A 6-meter yellow surface buoy is established at 38-47.62S 142-37.77E, requesting 2.5 nautical miles clearance.
- HYDROPAC 1585/26 · Cable ops2026-05-30Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
- AUSCOAST 208/26 · Other2026-05-30The vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.
Longest in force
- AUSCOAST 208/26 · Other2026-05-30The vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.
- HYDROPAC 1585/26 · Cable ops2026-05-30Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
- AUSCOAST 228/26 · Nav aids2026-06-29A 6-meter yellow surface buoy is established at 38-47.62S 142-37.77E, requesting 2.5 nautical miles clearance.
- HYDROPAC 1864/26 · Nav aids2026-06-29A yellow six-meter buoy is established in the Great Australian Bight at 38-47.62S 142-37.77E; a three-mile berth is requested.
- AUSCOAST 292/26 · Nav aids2026-09-07Two 6 meter yellow buoys with white flashing light every 3 seconds are temporarily placed near 38-47.19S 142-36.00E; 2.5 nautical mile clearance requested.
By year
91
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
By category · available archive
| Nav aids | 289 | 51% |
| Incidents | 125 | 22% |
| Surveys | 46 | 8% |
| Other | 42 | 7% |
| Derelicts | 21 | 4% |
| Missiles | 10 | 2% |
| Cable ops | 10 | 2% |
| Wrecks | 8 | 1% |
| Containers | 7 | 1% |
| Debris | 3 | 1% |
| Towing | 2 | 0% |
| Spills | 1 | 0% |
| Exercises | 1 | 0% |
Archive · 560 cancelled
- HYDROPAC 599/08 · Incidents2008-03-31 → 2008-03-31M/V lugano, 25 persons on board, on fire and adrift in 35-26S 122-22E at 310230Z mar
- HYDROPAC 559/08 · Cable ops2008-03-27 → 2008-03-29Seismic survey in progress until further notice by M/V pacific explorer towing six four mile long cables…
- HYDROPAC 431/08 · Nav aids2008-03-05 → 2008-03-05Nga chart 75130 (16TH ed)
- HYDROPAC 417/08 · Nav aids2008-03-03 → 2008-03-20Nga chart 75130 (1ST ed)
- HYDROPAC 219/08 · Nav aids2008-02-05 → 2008-02-05Nga chart 75130 (16TH ed)
- HYDROPAC 188/08 · Cable ops2008-01-30 → 2008-02-22Seismic survey in progress until further notice by M/V pacific explorer towing six four mile cables within…
- HYDROPAC 2230/07 · Incidents2007-12-19 → 2008-02-03Distress signal received on 121.5 and 243.0 mhz in 34-30S 121-11E at 181540Z dec
- HYDROPAC 2199/07 · Nav aids2007-12-14 → 2008-03-01Nga chart 75130 (16TH ed)
- HYDROPAC 2198/07 · Nav aids2007-12-14 → 2007-12-17Nga chart 75130 (16TH ed)
- HYDROPAC 2154/07 · Surveys2007-12-06 → 2007-12-08Underwater operations in progress until further notice by M/V markab vicinity 38-22S 141-04E
- HYDROPAC 2028/07 · Nav aids2007-11-19 → 2007-11-20Nga chart 75130 (16TH ed)
- HYDROPAC 2020/07 · Nav aids2007-11-19 → 2007-11-19Nga chart 75130 (16TH ed)
- HYDROPAC 1945/07 · Nav aids2007-11-06 → 2007-11-06Nga chart 75051 (6TH ed)
- HYDROPAC 1686/07 · Containers2007-10-01 → 2007-10-07Two containers adrift in 38-36S 140-24E at 010720Z oct
- HYDROPAC 1478/07 · Nav aids2007-08-25 → 2008-02-10Nga chart 75130 (16TH ed)
- HYDROPAC 1366/07 · Nav aids2007-08-07 → 2007-08-09Albany dgps station 35-05.2S 117-54.1E inoperative
- HYDROPAC 896/07 · Debris2007-05-20 → 2007-05-27Yellow unlit buoy with 40 meter long cable adrift vicinity 38-37S 140-51E at 191735Z may
- HYDROPAC 712/07 · Nav aids2007-04-20 → 2007-04-21RACON at middle bank south edge light 33-43.9S 137-29.8E unreliable
- HYDROPAC 679/07 · Nav aids2007-04-16 → 2007-04-17RACON at troubridge hill light 35-10.0S 137-38.5E unreliable
- HYDROPAC 612/07 · Nav aids2007-04-05 → 2008-02-10Middle bank light 33-37.0S 137-32.7E 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.