Surveys

Scientific moorings established: a. A3-21, in 66-19.64N 168-56.99W, at depth 59 meters, top float seven meters

Bering Sea · NAVAREA XII 329/21

What this record establishes

Archived notice · 2022-03-25 14:47Z

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) · REBECCA WOODGATE 161558Z JUL 21.. Issued 2021-07-16 19:18Z. 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: Bering Sea. The parsed report position is 65.951, -168.594. 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 Bering Sea →

issued: 2021-07-16 19:18Z
status: Archived notice
authority: REBECCA WOODGATE 161558Z JUL 21.
NAVAREA: NAVAREA XII
issued by: REBECCA WOODGATE
sea: Bering Sea
position: 65.951, -168.594
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BERING STRAIT.
ALASKA.
CHART 16005.
SCIENTIFIC MOORINGS ESTABLISHED:
A. A3-21, IN 66-19.64N 168-56.99W,
   AT DEPTH 59 METERS, TOP FLOAT SEVEN METERS.
B. A2-21, IN 65-46.85N 168-34.09W,
   AT DEPTH 57 METERS, TOP FLOAT 15 METERS.
C. A4-21, IN 65-44.74N 168-15.77W,
   AT DEPTH 50 METERS, TOP FLOAT 15 METERS.

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.

All warning terms →

Collected reports in this area · survey operations

27 within 180 nm since 2005 · 3 in the last 12 months · 2 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

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

Scientific moorings, at depth 15 meters, established in: a. 65-46.86N 168-34.06WSurveys · 12.1 nm
Scientific mooring, at depth seven meters, established in 66-19.59N 168-57.01WSurveys · 24.1 nm

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-01 14:09Z; 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.