Icebergs

North american ice service (nais) iceberg bulletin 120001Z nov

Davis Strait · NAVAREA IV 1069/17

What this record establishes

Archived notice · 2017-11-13 00:01Z

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) · NAIS 111831Z NOV 17.. Issued 2017-11-11 19:13Z. 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 the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.

Related notices and cancellation links

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. NAVAREA IV 1056/172017-11-07 · Archived notice
  2. NAVAREA IV 1059/172017-11-08 · Archived notice
  3. NAVAREA IV 1063/172017-11-09 · Archived notice
  4. NAVAREA IV 1069/17 · this notice2017-11-11 · Archived notice
Compare all 4 notices, changes and original texts →

Current notices and reporting history in the Davis Strait →

issued
2017-11-11 19:13Z
status
Archived notice
self-cancels
2017-11-13 00:01Z
authority
NAIS 111831Z NOV 17.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Davis Strait
position
60.004, -60.557
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. NORTH AMERICAN ICE SERVICE (NAIS) ICEBERG BULLETIN
   120001Z NOV.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   52-00N 055-55W, 51-00N 054-00W, 50-30N 047-45W,
   51-30N 047-00W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG TRACKLINE JOINING
   55-00N 051-00W, 60-00N 060-00W, 61-00N 054-00W,
   58-00N 050-00W, 58-00N 039-00W, 64-00N 038-00W,
   66-00N 030-00W.
4. SEA ICE LIMIT ALONG TRACKLINES:
   A. JOINING 59-55N 093-35W, 63-15N 088-45W,
      61-20N 083-50W, 64-05N 078-25W,
      64-05N 074-00W, 62-25N 070-45W,
      61-40N 066-45W, 62-00N 065-15W.
   B. JOINING 60-20N 064-50W, 58-45N 067-10W,
      59-10N 068-50W, 61-00N 069-05W,
      62-30N 073-45W, 62-40N 079-35W.
   C. JOINING 61-55N 065-55W, 62-15N 063-50W,
      62-45N 063-30W, 63-40N 057-50W.
5. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 09 NOV.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT MAY
   LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND TRAFFIC
   SERVICE STATION OR USING INMARSAT CODE 42.
7. CANCEL THIS MSG 130001Z NOV 17.

Reading this warning

Icebergs and ice limits
Icebergs, smaller pieces of glacier ice and the published limit of known ice.
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.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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.
Inmarsat-C / SafetyNET
The satellite system that carries NAVAREA warnings to ships at sea, and the terminal number rescue centres give for reports.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · iceberg & sea-ice bulletins

311 within 180 nm since 2009 · 0 in the last 12 months · 0 listed in force now

09
10
15
20
23

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.

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

Worldwide in the collected sources

1 iceberg & sea-ice bulletins listed in force · see all

Record snapshot 2026-09-24 16:32Z; source collection times vary.

Icebergs

Iceberg limits and reported bergs — mostly the North American Ice Service (International Ice Patrol) bulletins in the North Atlantic. All current iceberg & sea-ice bulletins →

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.