Survey operations 12 thru 30 jul by M/V nicola-z towing 600 meter long cable within two miles of 41-42.16N…
Adriatic Sea · HYDROLANT 1430/99
What this record establishes
Archived notice · 1999-07-13 19:22Z
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) · MARIDIPART TARANTO 110900Z JUL 99. Issued 1999-07-11 09:51Z. 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
- Adriatic Sea. The parsed report position is 41.703, 17.808 with a 2.0 nm radius. 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
- Cancel HYDROLANT 1430/99 and this msglater cancellation notice
- issued
- 1999-07-11 09:51Z
- status
- Archived notice
- authority
- MARIDIPART TARANTO 110900Z JUL 99
- issued by
- MARIDIPART TARANTO
- sea
- Adriatic Sea
- position
- 41.703, 17.808 · r 2.0 nm
- vessel
- M/V NICOLA Z · 4 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 12 THRU 30 JUL BY M/V NICOLA-Z TOWING 600 METER LONG CABLE WITHIN TWO MILES OF 41-42.16N 017-48.50E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 31 JUL.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Towed array / streamer
- Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
- Tow / towing
- A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
71 within 180 nm since 1997 · 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.
- Underwater operations 28 aug thru 03 sep by M/V janus II in area bound by 40-58.27N 018-47.52E, 40-48.67N…2023-08-27
- Underwater operations 28 aug thru 03 sep in area bound by 40-58.27N 018-47.52E, 40-48.67N 018-24.72E,…2023-08-25
- Underwater operations in progress until 07 jan by M/V edda flora with submersible along trackline joining…2022-01-04
- Underwater operations 22 thru 31 dec by M/V edda flora with submersible along trackline joining 40-19.0N…2021-12-21
- Survey operations 07 nov thru 31 dec by M/V polar empress towing one five mile long cable in area bound by…2018-11-02
- Underwater operations in progress until 202359Z dec by M/V northern explorer in area bound by 44-40.5N…2013-12-16
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
56 survey operations listed in force · see all
Record snapshot 2026-10-03 19:17Z; 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.