Nav aids

Nga chart 36006 (1ST ed)

HYDROLANT 420/09

issued
2009-03-02 05:49Z
status
cancelled 2009-03-03 21:04Z (archive)
authority
WZ 297/09 020520Z MAR 09.
sea
Irish Sea and St. George's Channel
position
54.038, -4.835
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 36006 (1ST ED).
CHICKEN ROCK LIGHT 54-02.3N 004-50.1W UNRELIABLE.

This area · aids-to-navigation notices

1950 within 180 nm since 1997 · 3 in the last 12 months · 3 in force now

97
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25
26

Season · when aids-to-navigation notices happen here

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J
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

195 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.