Surveys

Scientific moorings established: a. A3-19, in 66-19.60N 168-57.05W, at depth 57 meters, top float eight meters

Bering Sea · NAVAREA XII 477/20

What this record establishes

Archived notice · 2021-06-25 13:15Z

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 121534Z SEP 20.. Issued 2020-10-21 12:20Z. 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, -168.598. 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
2020-10-21 12:20Z
status
Archived notice
authority
REBECCA WOODGATE 121534Z SEP 20.
NAVAREA
NAVAREA XII
issued by
REBECCA WOODGATE
sea
Bering Sea
position
65.951, -168.598
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BERING STRAIT.
CHART 16005.
1. SCIENTIFIC MOORINGS ESTABLISHED:
   A. A3-19, IN 66-19.60N 168-57.05W,
      AT DEPTH 57 METERS, TOP FLOAT EIGHT METERS.
   B. A2-19, IN 65-46.86N 168-34.07W,
      AT DEPTH 56 METERS, TOP FLOAT 15 METERS.
   C. A4-19, IN 65-44.75N 168-15.77W,
      AT DEPTH 48 METERS, TOP FLOAT 15 METERS.
   D. A3-20, IN 66-19.60N 168-57.60W,
      AT DEPTH 59 METERS, TOP FLOAT 42 METERS.
   E. A2-20, IN 65-46.86N 168-34.60W,
      AT DEPTH 56 METERS, TOP FLOAT 45 METERS.
   F. A4-20, IN 65-44.75N 168-16.31W,
      AT DEPTH 49 METERS, TOP FLOAT 36 METERS.
2. CANCEL NAVAREA XII 430/19.

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.
NAVAREA
One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.

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

05
10
15
20
25
26

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

54 survey operations listed in force · see all

Record snapshot 2026-09-29 18:01Z; 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.