No.20/15 C8
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EAST COAST OF ENGLAND
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THAMES ESTUARY
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SUNK INNER PRECAUTIONARY AREA
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SUNK INNER LIGHT FLOAT
Latitude 51° 51'.170N., Longitude 001° 34'.400E.
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Date : On or about 30th July, 2015
Amendment : Existing Light Float to be temporarily removed and a replacement Light Float established in lieu, as follows:-
Red hull: Light tower amidships: Gp.Fl.(5) 15 seconds: nominal range 12 miles carried at a height of at least 11 metres above the water line: exhibited during the hours of darkness and in periods of reduced visibility, as follows:-
Flash : 0.4 second
Eclipse : 1.6 seconds
Flash : 0.4 second
Eclipse : 1.6 seconds
Flash : 0.4 second
Eclipse : 1.6 seconds
Flash : 0.4 second
Eclipse : 1.6 seconds
Flash : 0.4 second
Eclipse : 6.6 seconds
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Total : 15.0 seconds
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Fog signal giving 1 blast of 2 seconds duration every 30 seconds
Racon, as follows:-
Type : Agile Frequency
Code : Morse “T”
Nominal Range : 10 miles
Frequency : X band 9320 MHz to 9500 MHz
S band 2920 MHz to 3100 MHz
Display period : On 20 seconds.
Off 40 seconds.
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Total 60 seconds.
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AIS Transmission; MMSI Number 992351027.
Mariners are advised that the transmitted message 21 will be displayed as “Sunk Inner – Light Vessel”
No further notice will be given.
By Order
Captain R.H. Barker,
Director of Navigational Requirements.
Trinity House,
London EC3N 4DH.
3rd July, 2015