Incidents · overdue

28 foot S/V tandem, two persons on board, unreported puerto vallarta (20-39.30N 105-14.70W) to hawaii…

North Pacific Ocean · HYDROPAC 1327/17

What this record establishes

Archived notice · 2017-05-05 11:54Z

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) · RCC ALAMEDA 151033Z APR 17.. Issued 2017-04-15 10:46Z. 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
North Pacific Ocean. The parsed report position is 20.857, -125.036. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Pacific Ocean →

issued
2017-04-15 10:46Z
status
Archived notice
authority
RCC ALAMEDA 151033Z APR 17.
issued by
RCC ALAMEDA
sea
North Pacific Ocean
position
20.857, -125.036
vessel
S/V TANDEM
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
MEXICO TO HAWAII.
DNC 13.
28 FOOT S/V TANDEM, TWO PERSONS ON BOARD,
UNREPORTED PUERTO VALLARTA (20-39.30N 105-14.70W)
TO HAWAII (21-12.90N 157-25.20W). LAST KNOWN
POSITION 20-42.10N 112-26.62W ON 12 APR.
VESSELS IN VICINITY REQUESTED TO KEEP A
SHARP LOOKOUT, ASSIST IF POSSIBLE. REPORTS
TO RCC ALAMEDA, TELEX: 230172343,
PHONE: 510 437 3701,
E-MAIL: RCCALAMEDA1@USCG.MIL.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
Persons on board (POB)
The number of people reported aboard a vessel in distress, overdue or missing.
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.
Last known position
The most recent confirmed position of a missing vessel or person — the starting point of a search.
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.

All warning terms →

Collected reports in this area · distress & casualty cases (archived)

28 within 180 nm since 2009 · 0 in the last 12 months · 0 listed in force now

09
10
15
20
22

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.

Month of issue in the collected archive

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

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 2026-10-02 02:54Z; 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.