Surveys

Underwater operations by uscgc healy in: a. 78-27.000N 162-42.000W on 16 aug

Arctic Ocean · HYDROARC 5/05

What this record establishes

Archived notice · 2005-09-28 00:00Z

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) · USCGC HEALY 13 AUG 05.. Issued 2005-08-15 14:22Z. 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
Arctic Ocean. The parsed report position is 83.729, -115.255. 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 Arctic Ocean →

issued
2005-08-15 14:22Z
status
Archived notice
authority
USCGC HEALY 13 AUG 05.
issued by
USCGC HEALY
sea
Arctic Ocean
position
83.729, -115.255
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS BY USCGC HEALY IN:
   A. 78-27.000N 162-42.000W ON 16 AUG.
   B. 78-17.760N 176-42.960W ON 20 AUG.
   C. 79-34.920N 172-29.040W ON 24 AUG.
   D. 81-01.440N 176-43.380W ON 24 AUG.
   E. 83-06.900N 178-17.460W ON 27 AUG.
   F. 84-25.380N 146-21.780W ON 30 AUG.
   G. 88-31.800N 153-37.200W ON 06 SEP.
   H. 89-01.740N 171-57.840W ON 12 SEP.
   I. 90-00.000N 000-00.000E ON 19 SEP.
   J. 86-45.180N 061-19.560E ON 23 SEP.
   K. 81-48.960N 009-43.740E ON 27 SEP.
2. CANCEL THIS MSG 28 SEP.

Reading this warning

Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · survey operations

1 within 180 nm since 2005 · 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.

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

56 survey operations listed in force · see all

Record snapshot 2026-10-03 22:34Z; source collection times vary.

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.