Icebergs

North american ice service (nais) iceberg bulletin 060001Z dec

Labrador Sea · NAVAREA IV 1096/21

What this record establishes

Archived notice · 2021-12-07 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 051834Z DEC 21.. Issued 2021-12-05 19:10Z. 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
Labrador Sea. 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 1090/212021-12-03 · Archived notice
  2. NAVAREA IV 1094/212021-12-04 · Archived notice
  3. NAVAREA IV 1096/21 · this notice2021-12-05 · Archived notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the Labrador Sea →

issued
2021-12-05 19:10Z
status
Archived notice
self-cancels
2021-12-07 00:01Z
authority
NAIS 051834Z DEC 21.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Labrador Sea
position
58.935, -57.408
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 060001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-06N 055-46W, 51-30N 054-30W,
   54-00N 049-45W, 55-30N 049-30W,
   57-45N 057-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-45N 057-15W, 61-00N 059-40W,
   62-05N 053-55W, 59-10N 047-10W,
   58-50N 041-30W, 64-10N 037-20W,
   65-00N 029-35W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-28N 056-51W, 51-20N 056-39W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-09N 066-25W, 49-09N 066-49W,
      48-28N 069-00W, 49-01N 068-10W,
      49-17N 067-10W, 50-04N 066-10W,
      49-53N 064-31W.
   B. 49-50N 063-29W, 50-08N 062-30W,
      49-58N 061-36W, 50-05N 059-48W,
      51-25N 057-37W.
   C. 53-45N 056-42W, 54-14N 057-14W,
      54-22N 057-49W.
   D. 54-52N 058-12W, 56-11N 060-31W,
      57-18N 061-00W, 59-54N 063-43W,
      60-14N 064-22W.
   E. 60-09N 065-01W, 58-58N 066-55W,
      59-32N 068-22W, 61-01N 069-01W,
      62-32N 073-36W, 62-46N 078-00W,
      63-39N 074-45W, 62-25N 070-41W,
      62-16N 068-36W.
   F. 62-01N 066-02W, 62-01N 064-00W,
      64-47N 062-46W, 65-03N 057-46W.
   G. 61-33N 042-24W, 61-28N 042-15W,
      61-08N 042-11W, 60-43N 042-17W,
      60-43N 042-22W, 61-00N 042-40W.
6. MOST RECENT RECONNAISSANCE:
   EASTERN LIMIT SATELLITE PASS 05 DEC 21.
7. 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.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z DEC 21.

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

386 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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

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

Record snapshot 2026-10-04 04:50Z; 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.