Icebergs reported in: a. B22A, 74-04S 108-55W
Southern Ocean · HYDROPAC 1252/18
What this record establishes
Archived notice · 2018-04-02 14:56Z
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) · VALPARAISO PLAYA ANCHA RADIO 011450Z MAR 18.. Issued 2018-04-01 14:56Z. 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
- Southern Ocean. The parsed report position is -70.260, -97.186. 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
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.
- HYDROPAC 1164/182018-03-24 · Archived notice
- HYDROPAC 1174/182018-03-25 · Archived notice
- HYDROPAC 1192/182018-03-27 · Archived notice
- HYDROPAC 1218/182018-03-29 · Archived notice
- HYDROPAC 1246/182018-03-31 · Archived notice
- HYDROPAC 1252/18 · this notice2018-04-01 · Archived notice
Current notices and reporting history in the Southern Ocean →
- issued
- 2018-04-01 14:56Z
- status
- Archived notice
- self-cancels
- 2018-04-02 14:56Z
- authority
- VALPARAISO PLAYA ANCHA RADIO 011450Z MAR 18.
- issued by
- VALPARAISO PLAYA ANCHA RADIO
- sea
- Southern Ocean
- position
- -70.260, -97.186
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTH PACIFIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. B22A, 74-04S 108-55W. B. B28, 74-44S 108-52W. C. B29, 74-34S 109-00W. D. B30, 67-45S 153-38W. E. B31, 66-08S 079-45W. F. A68A, 67-38S 060-22W. G. A68B, 66-56S 059-46W. 2. CANCEL THIS MSG 021456Z APR 18.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Icebergs and ice limits
- Icebergs, smaller pieces of glacier ice and the published limit of known ice.
- 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.
- 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.
Collected reports in this area · iceberg & sea-ice bulletins
157 within 180 nm since 2017 · 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.
- Icebergs reported in: a. B22A, 74-04S 108-55W2018-04-03
- Icebergs reported in: a. B22A, 74-04S 108-55W2018-04-02
- Icebergs reported in: a. B22A, 74-04S 108-55W2018-03-31
- Icebergs reported in: a. B22A, 74-04S 108-55W2018-03-29
- Icebergs reported in: a. B22A, 74-04S 108-55W2018-03-27
- Icebergs reported in: a. B22A, 74-04S 108-55W2018-03-25
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
4 iceberg & sea-ice bulletins listed in force · see all
Record snapshot 2026-10-02 19:06Z; 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.