Surveys

Survey operations in progress by M/V bgp innovator and M/V bgp explorer until 30 jun in area bound by…

Persian Gulf · HYDROPAC 1156/23

What this record establishes

Archived notice · 2023-07-27 15:31Z

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 IX 157/23 061726Z APR 23.. Issued 2023-04-06 19:25Z. 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
Persian Gulf. 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 Persian Gulf →

issued
2023-04-06 19:25Z
status
Archived notice
self-cancels
2023-07-01 00:01Z
authority
NAVAREA IX 157/23 061726Z APR 23.
NAVAREA
NAVAREA IX · named as the source of this relay
sea
Persian Gulf
position
25.922, 51.767
vessels
M/V BGP EXPLORER · 33 messagesM/V BGP INNOVATOR · 6 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

PERSIAN GULF.
QATAR.
DNC 10.
1. SURVEY OPERATIONS IN PROGRESS BY M/V BGP INNOVATOR
   AND M/V BGP EXPLORER UNTIL 30 JUN
   IN AREA BOUND BY
   26-08.33N 051-41.78E, 26-03.95N 051-36.80E,
   25-54.92N 051-41.48E, 25-47.81N 051-38.18E,
   25-42.93N 051-45.98E, 25-54.77N 051-57.88E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROPAC 823/23.
3. CANCEL THIS MSG 010001Z JUL 23.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
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

435 within 180 nm since 2000 · 6 in the last 12 months · 3 listed in force now

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

50 survey operations listed in force · see all

Record snapshot 2026-09-24 23:48Z; 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.