Survey operations in progress until further notice by M/V island frontier in area bound by 27-14.19N…
Gulf of Mexico · NAVAREA IV 933/26
What this record establishes
Cancelled notice · 2026-09-28 16:45Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-26 13:06Z. First collected 2026-09-28 19:02Z; last seen in collection 2026-09-28 22:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Gulf of Mexico. 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 Gulf of Mexico →
- issued
- 2026-09-26 13:06Z
- status
- Cancelled notice
- NAVAREA
- NAVAREA IV
- sea
- Gulf of Mexico
- position
- 27.046, -94.213
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-28 19:02Z
Original warning text
GULF OF AMERICA. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V ISLAND FRONTIER IN AREA BOUND BY 27-14.19N 093-56.67W, 26-52.58N 093-52.73W, 26-53.23N 094-33.48W, 27-04.17N 094-33.44W, 27-14.03N 094-22.13W. WIDE BERTH REQUESTED.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
Collected reports in this area · survey operations
53 within 180 nm since 2002 · 1 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.
- Survey operations 10 sep thru 31 mar 25 by M/V sanco spirit, M/V rem andes and M/V siem spearfish towing 400…2024-09-03
- Survey operations in progress until 25 jan 25 by M/V chloe candies with submersibles, M/V sanco sword and…2024-07-05
- Survey operations in progress until 30 apr by M/V chloe candies, M/V sanco spirit and M/V artemis athene in…2024-02-21
- Survey operations in progress until 30 may in area bound by 27-31.90N 090-24.60W, 27-33.10N 092-03.90W,…2024-02-15
- Survey operations in progress until 30 apr 24 by M/V olympic delta, M/V pxgeo 2 and M/V artemis athene in…2023-12-11
- Survey operations in progress until 30 apr 24 by M/V shelia bordelon and M/V pxgeo 2 in area bound by…2023-11-18
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
54 survey operations listed in force · see all
Record snapshot 2026-09-28 22:32Z; 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.