Surveys

Scientific operations in progress until 20 apr by M/V arar in: a. 41-13.5N 029-08.0E

Sea of Marmara · HYDROLANT 648/07

What this record establishes

Archived notice · 2007-04-21 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) · NAVAREA III 164/07 191201Z APR 07.. Issued 2007-04-19 12:32Z. 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
Sea of Marmara. The parsed report position is 40.978, 29.023. 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 Sea of Marmara →

issued
2007-04-19 12:32Z
status
Archived notice
authority
NAVAREA III 164/07 191201Z APR 07.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Sea of Marmara
position
40.978, 29.023
vessel
M/V ARAR · 2 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. SCIENTIFIC OPERATIONS IN PROGRESS UNTIL 20 APR
   BY M/V ARAR IN:
   A. 41-13.5N 029-08.0E.
   B. 41-09.3N 029-03.3E.
   C. 41-05.0N 029-03.7E.
   D. 41-01.8N 029-00.7E.
   E. 40-58.0N 028-59.8E.
   F. 40-56.4N 028-55.6E.
   G. 40-51.8N 029-10.5E.
   H. 40-56.6N 028-46.6E.
   I. 40-45.8N 029-13.0E.
   J. 40-48.7N 028-52.5E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 21 APR.

Reading this warning

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.

All warning terms →

Collected reports in this area · survey operations

140 within 180 nm since 1999 · 9 in the last 12 months · 5 listed in force now

99
00
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

56 survey operations listed in force · see all

Record snapshot 2026-10-02 15:46Z; 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.