Distress signal received on 121.5 mhz vicinity 11-14S 144-04E at 171248Z apr
Coral Sea · HYDROPAC 686/04
What this record establishes
Archived notice · 2004-04-18 01:00Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · AUSSAR 3114/04 POR EGC# 807171320Z APR 04 ; AUSSAR POR EGC# 804 171316Z APR 04. Issued 2004-04-17 15:26Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Coral Sea. The parsed report position is -11.233, 144.067. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Derelict seven meter vessel, blue and white hull, sinking in 35-09N 011-23Ecancelled by this notice
- Distress signal received on 121.5 and 243.0 mhz vicinity 11-08S 144-41E at 170939Z aprcancelled by this notice
- Distress signal received on 121.5 mhz in 39-51S 174-17Elater cancellation notice
These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.
- HYDROPAC 685/042004-04-17 · Archived notice
- HYDROPAC 686/04 · this notice2004-04-17 · Archived notice
- HYDROPAC 688/042004-04-18 · Archived notice
- HYDROLANT 685/042004-04-23 · Archived notice
- issued
- 2004-04-17 15:26Z
- status
- Archived notice
- authority
- AUSSAR 3114/04 POR EGC# 807171320Z APR 04 ; AUSSAR POR EGC# 804 171316Z APR 04
- issued by
- AUSSAR
- sea
- Coral Sea
- position
- -11.233, 144.067
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. DISTRESS SIGNAL RECEIVED ON 121.5 MHZ VICINITY 11-14S 144-04E AT 171248Z APR. VESSELS IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE. REPORTS TO RCC AUSTRALIA, TELEX: 7162025, PHONE: 612 6230 6811, FAX: 612 6230 6868. 2. CANCEL HYDROLANT 685/04.
Reading this warning
- Distress signal received
- A rescue centre has received an alert — from a beacon, a radio call or a satellite terminal — and is asking ships to look.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Keep a sharp lookout
- A request to every ship in the area to watch for the vessel, people or object described.
- Assist if possible
- The second half of the standard rescue request: ships able to help are asked to do so.
- RCC / JRCC (Rescue Coordination Centre)
- The centre that organises search and rescue in its region; warnings ask ships to send their reports there.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Collected reports in this area · distress & casualty cases (archived)
327 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Five persons overboard from vesssel, capsized and adrift in vicinity of trackline joining 09-16.00S…2024-05-04
- Capsized vessel, three persons on board, adrift in 09-34.98S 144-06.12E at 021040Z may2024-05-02
- Capsized vessel, three persons on board, adrift in 09-35.52S 144-06.95E at 020756Z may2024-05-02
- Distress signal received on 406 mhz in 09-33.40S 144-07.20E at 020531Z may2024-05-02
- Distress signal received on 406 mhz in 12-51.27S 143-49.93E at 220006Z mar2024-03-22
- Distress signal received on 406 mhz in 13-31.40S 143-36.50E at 171122Z feb2024-02-17
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
0 distress & casualty cases (archived) listed in force · see all
Record snapshot 2026-10-03 04:03Z; source collection times vary.
Incidents
Search-and-rescue broadcasts, published only once a case has been closed for 30 days: groundings, sinkings, capsizes, fires, man overboard, overdue vessels. Nothing here is live. All current distress & casualty cases (archived) →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.