Nav aids

NAVTEX station porto novo (o) 11-30.20N 079-46.20E off air 110030Z to 121230Z apr

Bay of Bengal · HYDROPAC 1185/23

What this record establishes

Archived notice · 2023-04-12 13:30Z

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) · NAVAREA VIII 338/23 101005Z APR 23.. Issued 2023-04-10 12:51Z. 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: Bay of Bengal. The parsed report position is 11.503, 79.770. 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 Bay of Bengal →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2023-04-11 00:30Z	2023-04-12 12:30Z	—	36 h

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

issued: 2023-04-10 12:51Z
status: Archived notice
self-cancels: 2023-04-12 13:30Z
authority: NAVAREA VIII 338/23 101005Z APR 23.
NAVAREA: NAVAREA VIII · named as the source of this relay
sea: Bay of Bengal
position: 11.503, 79.770
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

INDIA.
DNC 03.
1. NAVTEX STATION PORTO NOVO (O) 11-30.20N 079-46.20E
   OFF AIR 110030Z TO 121230Z APR.
2. CANCEL THIS MSG 121330Z APR 23.

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.
NAVTEX: An automated medium-frequency radio service that sends coastal warnings as text to a small printer or screen on board.
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

94 within 180 nm since 1999 · 3 in the last 12 months · 1 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.

NAVTEX station porto novo (o) in 11-30.25N 079-46.20E off air until 10 sep2026-09-09
Buoy established in 14-05.21N 080-28.50E2026-04-24
RACON at pondicherry light 11-54.99N 079-49.85E inoperative2026-01-14
NAVTEX station porto novo (o) 11-30.20N 079-46.20E off air2022-07-02
NAVTEX station porto novo (o) 11-30.2N 079-46.2E off air2022-01-24
NAVTEX station porto novo (o) 11-30.2N 079-46.2E off air2021-11-01

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

Hazardous operations 290830Z to 290930Z sep in area bound by 13-07.02N 080-18.01E, 13-14.90N 080-25.98E,…Exercises · 107.3 nm

Worldwide in the collected sources

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

Record snapshot 2026-10-01 13:49Z; 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.