Surveys

Survey operations are underway in the Kara Sea, Russia, until September 30, wide berth requested.

Kara Sea · HYDROARC 152/26

What this record establishes

Cancelled notice · 2026-09-08 17:45Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-07-30 11:19Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-09-08 18:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Kara Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Kara Sea →

issued
2026-07-30 11:19Z
status
Cancelled notice
self-cancels
2026-10-01 00:01Z
sea
Kara Sea
position
67.017, 72.833
nearest port
Amderma · 298 nm
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

KARA SEA.
RUSSIA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 SEP
   IN AREA BOUND BY
   66-54.00N 071-46.62E, 67-16.08N 072-23.60E,
   67-22.60N 072-33.75E, 67-30.78N 072-47.65E,
   67-28.55N 074-03.39E, 66-52.09N 073-30.39E,
   66-20.86N 072-08.89E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z OCT 26.

Reading this warning

Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · survey operations

7 within 180 nm since 2014 · 3 in the last 12 months · 0 listed in force now

14
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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

55 survey operations listed in force · see all

Record snapshot 2026-10-01 05:28Z; 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.