Surveys

B. BOEM-3, 72-20.175N 157-26.893W, at depth 162 meters

Arctic Ocean · HYDROARC 229/13

What this record establishes

Archived notice · 2014-12-21 10:10Z

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 130212Z OCT 13 - USCGC HEALY 140718Z OCT 13.. Issued 2013-10-14 17:08Z. 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 72.363, -157.290. 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

Current notices and reporting history in the Arctic Ocean →

issued
2013-10-14 17:08Z
status
Archived notice
authority
USCGC HEALY 130212Z OCT 13 - USCGC HEALY 140718Z OCT 13.
issued by
USCGC HEALY
sea
Arctic Ocean
position
72.363, -157.290
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

ARCTIC.
CHUKCHI SEA.
CHART 16003
1. SCIENTIFIC MOORINGS ESTABLISHED:
   A. BOEM-2, 72-18.018N 157-43.522W, AT DEPTH 102 METERS.
   B. BOEM-3, 72-20.175N 157-26.893W, AT DEPTH 162 METERS.
   C. BOEM-4, 72-23.104N 157-08.762W, AT DEPTH 251 METERS.
   D. BOEM-5, 72-25.820N 156-50.370W, AT DEPTH 358 METERS.
2. CANCEL HYDROARC 212/12.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
Scientific mooring
Instruments anchored to the seabed and held up by floats, sometimes just below the surface, left for months to measure the ocean.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROARC
The U.S. long-range warning series for the Arctic Ocean.

All warning terms →

Collected reports in this area · survey operations

64 within 180 nm since 2004 · 0 in the last 12 months · 1 listed in force now

04
05
10
15
20
24

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

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-03 00:22Z; 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.