Nav aids

Nga chart 36049 (0 ed)

HYDROLANT 1759/08

issued: 2008-10-21 15:05Z
status: cancelled 2008-10-23 02:00Z (archive)
self-cancels: 2008-10-23 02:00Z
cancels: HYDROLANT 1758/08
sea: Celtic Sea
position: 49.872, -6.445
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 36049 (0 ED).
1. BISHOP ROCK LIGHT 49-52.3N 006-26.7W UNRELIABLE
   211700Z TO 220100Z AND 221700Z TO 230100Z OCT.
2. CANCEL HYDROLANT 1758/08.
3. CANCEL THIS MSG 230200Z OCT.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2008-10-21 17:00Z	2008-10-22 01:00Z	—	8 h
2008-10-22 17:00Z	2008-10-23 01:00Z	—	8 h

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

This area · aids-to-navigation notices

1166 within 180 nm since 1997 · 1 in the last 12 months · 1 in force now

Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
Ile vierge light 48-38.30N 004-34.10W unlit2024-05-03
Fog signal at mumbles head light 51-34.00N 003-58.30W inoperative2024-04-26
Ile vierge light 48-38.32N 004-34.04W range reduced2024-04-23
Bishop rock light 49-52.40N 006-26.70W unreliable2024-04-11
Ile de penfret light 47-43.30N 003-57.20W range reduced to 11 miles until 02 apr2024-04-01

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Nga chart 36049 (0 ed)cancels · 2008-10-21
Nga chart 36049 (0 ed)replaced · 2008-10-21

Nearby now · within 120 nm

Fowey light 50-19.60N 004-38.90W unreliableNav aids · 74.4 nm

Worldwide now

193 aids-to-navigation notices in force · see all

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.