Oceanographic operations 061700Z to 211000Z aug by M/V maria s. merian in area bound by 62-17.50N…
Davis Strait · NAVAREA IV 638/15
What this record establishes
Archived notice · 2015-08-11 11:45Z
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) · MARIA S. MERIAN 042031Z AUG 15.. Issued 2015-08-04 21:42Z. 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
- Davis Strait. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-08-06 17:00Z | 2015-08-21 10:00Z | — | 353 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2015-08-04 21:42Z
- status
- Archived notice
- self-cancels
- 2015-08-21 11:00Z
- authority
- MARIA S. MERIAN 042031Z AUG 15.
- NAVAREA
- NAVAREA IV
- issued by
- MARIA S. MERIAN
- sea
- Davis Strait
- position
- 60.073, -61.681
- vessel
- M/V MARIA S MERIAN · 25 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CANADA-NORTH EAST COAST. LABRADOR SEA. DAVIS STRAIT. HUDSON STRAIT. 1. OCEANOGRAPHIC OPERATIONS 061700Z TO 211000Z AUG BY M/V MARIA S. MERIAN IN AREA BOUND BY 62-17.50N 060-32.05W, 62-12.04N 064-26.33W, 61-17.20N 064-38.40W, 61-13.18N 064-55.20W, 61-42.40N 066-39.37W, 59-48.37N 066-35.00W, 59-55.32N 065-28.10W, 60-43.21N 064-24.14W, 59-10.00N 063-05.55W, 58-20.00N 062-11.45W, 57-59.44N 061-32.35W, 57-32.40N 061-13.33W, 58-01.28N 057-04.70W. 2. CANCEL THIS MSG 211100Z AUG 15.
Reading this warning
- 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.
- 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.
- 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
5 within 180 nm since 2015 · 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.
- Scientific mooring, top float 407 meters below surface, established in 60-28.41N 061-15.99W2021-07-26
- Scientific mooring, top float 509 meters below surface, established in 60-29.07N 061-15.71W2021-07-26
- Scientific mooring, top float 427 meters below surface, established in 60-27.82N 061-09.57W2021-07-19
- Scientific mooring, top float 247 meters below surface, established in 60-28.38N 061-16.05W2021-07-19
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
Worldwide in the collected sources
54 survey operations listed in force · see all
Record snapshot 2026-10-02 11:51Z; 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.