Surveys
Underwater operations 23 dec thru 30 oct 19 by M/V normand tonjer, M/V mac pegasus and M/V sanco star in: a.…
Persian Gulf · HYDROPAC 4552/18
What this record establishes
Archived notice · 2019-04-12 15:13Z
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 299/18 221500Z DEC 18.. Issued 2018-12-22 15:27Z. 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 parsed report position is 26.558, 51.912. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- issued
- 2018-12-22 15:27Z
- status
- Archived notice
- authority
- NAVAREA IX 299/18 221500Z DEC 18.
- NAVAREA
- NAVAREA IX · named as the source of this relay
- sea
- Persian Gulf
- position
- 26.558, 51.912
- vessels
- M/V MAC PEGASUS · 7 messagesM/V NORMAND TONJER · 9 messagesM/V SANCO STAR · 181 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. UNDERWATER OPERATIONS 23 DEC THRU 30 OCT 19 BY M/V NORMAND TONJER, M/V MAC PEGASUS AND M/V SANCO STAR IN: A. 26-49.599N 051-52.531E. B. 26-37.169N 052-07.775E. C. 26-33.862N 052-07.074E. D. 26-32.711N 052-05.283E. E. 26-28.795N 052-04.028E. F. 26-28.383N 052-02.863E. G. 26-27.286N 052-02.948E. H. 26-26.011N 052-03.861E. I. 26-25.067N 052-04.208E. J. 26-20.720N 052-03.280E. K. 26-20.942N 052-02.204E. L. 26-24.208N 051-49.764E. M. 26-27.223N 051-48.508E. N. 26-28.166N 051-48.158E. O. 26-30.069N 051-49.448E. P. 26-30.905N 051-49.600E. Q. 26-32.570N 051-47.340E. R. 26-35.756N 051-45.517E. S. 26-36.700N 051-45.166E. T. 26-38.210N 051-45.253E. U. 26-39.029N 051-46.240E. V. 26-40.422N 051-47.953E. W. 26-40.450N 051-49.192E. X. 26-42.761N 051-50.713E. Y. 26-44.440N 051-51.322E. Z. 26-49.599N 051-52.531E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 31 OCT 19.
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.
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- 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.
Collected reports in this area · survey operations
436 within 180 nm since 2000 · 5 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.
- Survey operations 18 sep until further notice by M/V fugro resilience in area bound by 26-33.31N 051-04.86E,…2026-09-17
- Survey operations in progress until 05 sep by M/V furgo proteus in areas bound by: a. 26-33.34N 051-03.56E,…2026-08-04
- Survey operations in progress until further notice by M/V halul 41 in area bound by 26-23.34N 051-47.10E,…2026-01-30
- Survey operations in progress until 31 dec by M/V astro aquila in area bound by 26-42.50N 051-53.50E,…2025-11-27
- Underwater operations in progress until further notice by M/V constructor in area bound by 26-28.58N…2025-10-28
- Survey operations in progress until 31 dec by M/V HALUL-51 with submersible along tracklines joining: a.…2025-10-01
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
- Mooring buoy established in 26-38.47N 051-55.82ENav aids · 5.1 nm
- Bh jacket light fl(r) 4 sec temporarily established in 26-38.41N 051-56.90ENav aids · 5.3 nm
- Wave rider buoy, fl 5 y 10 sec, temporarily established in 26-39.57N 051-57.22ENav aids · 6.5 nm
- Underwater operations in progress until further notice by M/V HYSY289 in area bound by 26-41.99N 051-53.26E,…Surveys · 6.6 nm
- Pipeline operations 10 aug thru 10 nov by vessel barge derrick barge 30 in area bound by 26-31.70N…Cable ops · 13.1 nm
- Survey operations in progress until further notice by M/V halul 41 in area bound by 26-23.34N 051-47.10E,…Surveys · 23.6 nm
- Pipeline operations 18 sep until further notice by barge mc dermott in area bound by 25-59.10N 051-36.60E,…Cable ops · 31.7 nm
- Survey operations 18 sep until further notice by M/V fugro resilience in area bound by 26-33.31N 051-04.86E,…Surveys · 46.4 nm
- Foul ground, anchor with 2.5 shackle chain reported in 25-07.69N 052-53.09EWrecks · 100.7 nm
- Zaqqum buoy in 25-06.56N 053-25.06ENav aids · 119.1 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-01 13:39Z; 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.