Nav aids

Nisis agria gramvousa light 35-38.9N 023-34.7E unlit

Aegean Sea · HYDROLANT 2375/18

What this record establishes

Archived notice · 2019-01-04 14:30Z

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) · GREEK NAVTEX IRAKLEIO 305/18 222054Z JUL 18.. Issued 2018-07-22 20:56Z. 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: Aegean Sea. The parsed report position is 35.648, 23.578. 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 Aegean Sea →

issued: 2018-07-22 20:56Z
status: Archived notice
authority: GREEK NAVTEX IRAKLEIO 305/18 222054Z JUL 18.
issued by: GREEK NAVTEX IRAKLEIO
sea: Aegean Sea
position: 35.648, 23.578
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
DNC 09.
CHART 54300.
NISIS AGRIA GRAMVOUSA LIGHT 35-38.9N 023-34.7E UNLIT.

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.
Chart reference: The number of the nautical chart on which the reported position lies.
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.
Unlit / extinguished: A light, buoy or structure that is not showing its charted light.

All warning terms →

Collected reports in this area · aids-to-navigation notices

7 within 180 nm since 2012 · 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.

Akra vrisaki light 37-44N 024-05E unreliable2019-11-30
Akra katakolon light 37-38.2N 021-18.9E unlit2019-11-22
Akra tamelos light 37-31.3N 024-16.5E unlit2019-10-29
Ormos aylou nikolaou light 37-40.2N 024-18.9E unlit2019-09-25
Akra armenistis light 37-29.5N 025-18.8E unlit2019-05-15
Greece2012-10-02

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

Missile operations 0530Z to sunset daily every wednesday thru saturday until 14 jun and 16 seb thru 31 dec…Missiles · 89.8 nm

Worldwide in the collected sources

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

Record snapshot 2026-10-02 04:36Z; 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.