Distress signal received on 121.5 mhz in 39-51S 174-17E
Tasman Sea · HYDROPAC 688/04
What this record establishes
Archived notice · 2004-04-18 04:48Z
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) · MARITIME OPS NEW ZEALAND MSA 75/04 180015Z APR 04; AUSSAR POR EGC# 824 172150Z APR 04. Issued 2004-04-18 01:00Z. 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
- Tasman Sea. The parsed report position is -39.850, 174.283. 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
- Distress signal received on 121.5 mhz vicinity 11-14S 144-04E at 171248Z aprcancelled by this notice
- Cancel HYDROPAC 688/04 and this msg, signal ceasedlater 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 686/042004-04-17 · Archived notice
- HYDROPAC 688/04 · this notice2004-04-18 · Archived notice
- HYDROLANT 685/042004-04-23 · Archived notice
- issued
- 2004-04-18 01:00Z
- status
- Archived notice
- authority
- MARITIME OPS NEW ZEALAND MSA 75/04 180015Z APR 04; AUSSAR POR EGC# 824 172150Z APR 04
- issued by
- MNZ
- sea
- Tasman Sea
- position
- -39.850, 174.283
- 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 IN 39-51S 174-17E. VESSELS IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE. REPORTS TO MARITIME OPERATIONS NEW ZEALAND, INMARSAT-C: 4512 00067, PHONE: 644 914 8333, FAX: 644 914 8334 OR TAUPO MARITIME RADIO. 2. CANCEL HYDROPAC 686/04(74).
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.
- 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.
- Inmarsat-C / SafetyNET
- The satellite system that carries NAVAREA warnings to ships at sea, and the terminal number rescue centres give for reports.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · distress & casualty cases (archived)
82 within 180 nm since 2000 · 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.
- Man overboard from vessel pacific challenger in vicinity 39-52.80S 177-19.00E at 010700Z apr2024-04-01
- Distress signal received on 406 mhz from 26 foot vessel cabare 2, three persons onboard, in 38-19.27S…2023-11-24
- Distress signal received in 40-07.89S 172-23.62E2023-05-12
- Distress signal received on 406 mhz in 39-59.60S 178-03.20E2023-03-29
- Man overboard from M/V norweigan jewel in 39-23.1S 177-45.0E at 291743Z dec2019-12-30
- 14 meter S/V witch doctor, white hull, unreported gulf harbour marina (36-28.62S 175-04.56E) to nelson…2019-05-10
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.