Nav aids

All navigational aids at katy platform 54-24.2N 002-39.6E inoperative

Southern North Sea · HYDROLANT 836/15

issued
2015-04-09 19:33Z
status
cancelled 2015-04-22 09:03Z (archive)
cancels
HYDROLANT 478/15
authority
WZ 433/15 091822Z APR 15.
sea
North Sea
position
54.403, 2.660
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
DNC 20, DNC 21.
CHART 35002.
1. ALL NAVIGATIONAL AIDS AT KATY PLATFORM
   54-24.2N 002-39.6E INOPERATIVE.
2. CANCEL HYDROLANT 478/15.

This area · aids-to-navigation notices

1163 within 180 nm since 1997 · 1 in the last 12 months · 0 in force now

97
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05
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26

Season · when aids-to-navigation notices happen here

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Timeline

Nearby now · within 120 nm

Nothing else in force within 120 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.