Navigational warnings on 2011-12-04

UTC day · today

issued
11
cancelled
7
in force at end
247
of these still in force
0

What this reporting period contains

11 messages have issue dates in this period, and 7 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Nav aids accounts for 3 of 11 recorded messages (27%), the largest category group in this selection.

HYDROLANT accounts for 6 of 11 recorded messages (55%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Nav aids3
Incidents2
Piracy1
Cable ops1
Missiles1
Exercises1
Derelicts1
Debris1

Issued · by sea

North Sea2
Sea of Okhotsk1
Arabian Sea1
North Pacific Ocean1
Barentsz Sea1
Gulf of Guinea1
Tasman Sea1
North Atlantic Ocean1

HYDROLANT 6 · HYDROPAC 4 · HYDROARC 1

Issued · 11

Cancelled · 7

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2011-12-04 · seahazards