Nav aids

Loran-c station jan mayen (70-55N 008-44W), rates 7001-X and 9007-W, off air 280700Z to 281500Z sep

Greenland Sea · HYDROLANT 2421/15

What this record establishes

Archived notice · 2015-09-28 16:00Z

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) · NAVAREA I 304/15 271345Z SEP 15.. Issued 2015-09-27 14:26Z. 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: Greenland Sea. The parsed report position is 70.917, -8.733. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Greenland Sea →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2015-09-28 07:00Z	2015-09-28 15:00Z	—	8 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued: 2015-09-27 14:26Z
status: Archived notice
self-cancels: 2015-09-28 16:00Z
authority: NAVAREA I 304/15 271345Z SEP 15.
NAVAREA: NAVAREA I · named as the source of this relay
sea: Greenland Sea
position: 70.917, -8.733
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GREENLAND SEA.
NORWEGIAN SEA.
1. LORAN-C STATION JAN MAYEN (70-55N 008-44W),
   RATES 7001-X AND 9007-W,
   OFF AIR 280700Z TO 281500Z SEP.
2. CANCEL THIS MSG 281600Z SEP 15.

Reading this warning

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.
Inoperative / unreliable / off air: An aid or radio service is not working as charted or published.
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.
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 · aids-to-navigation notices

1 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.

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

137 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-01 06:25Z; source collection times vary.

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

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.