Seismic survey in progress until 31 mar by M/V ramform vanguard in area bound by 33-16N 035-04E, 33-20N…
Mediterranean Sea - Eastern Basin · HYDROLANT 281/11
What this record establishes
Archived notice · 2011-03-26 09:27Z
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 73/11 151236Z FEB 11.. Issued 2011-02-15 14:05Z. 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
- Mediterranean Sea - Eastern Basin. 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 Mediterranean Sea - Eastern Basin →
- issued
- 2011-02-15 14:05Z
- status
- Archived notice
- authority
- NAVAREA III 73/11 151236Z FEB 11.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Mediterranean Sea - Eastern Basin
- position
- 33.514, 34.741
- vessel
- M/V RAMFORM VANGUARD · 519 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN MEDITERRANEAN SEA. LEBANON. 1. SEISMIC SURVEY IN PROGRESS UNTIL 31 MAR BY M/V RAMFORM VANGUARD IN AREA BOUND BY 33-16N 035-04E, 33-20N 034-17E, 33-45N 034-26E, 33-43N 035-10E. SIX MILE BERTH REQUESTED. 2. CANCEL THIS MSG 01 APR.
Reading this warning
- Seismic survey
- A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
- 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.
Collected reports in this area · cable & pipeline work
126 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now
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.
- Cable operations 01 thru 04 sep in area bound by 34-47N 032-19E, 34-42N 032-33E, 34-22N 032-24E, 34-26N…2021-08-30
- Cable operations 24 thru 27, 30 and 31 aug by M/V bold maverick in areas bound by: a. 34-47.00N 032-19.00E,…2021-08-21
- Cable operations 072200Z to 212359Z may by M/V rebecca in area bound by 33-18N 029-36E, 33-02N 030-59E,…2020-05-07
- Cable operations in progress until further notice by cableship raymond croze with submersible in vicinity of…2018-01-31
- Underwater operations 04 thru 15 jul by cableship raymond croze in area bound by 33-02.37N 032-23.58E,…2017-07-02
- Cable operations in progress until 182359Z apr by cableship global sentinel in vicinity of trackline joining…2017-04-10
Month of issue in the collected archive
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
23 cable & pipeline work listed in force · see all
Record snapshot 2026-10-03 11:15Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.