index

NAVAREA IV warnings in force 241000Z dec 11

NAVAREA IV 436/11

issued: 2011-12-24 10:36Z
status: cancelled 2011-12-31 10:49Z (archive)
cancels: NAVAREA IV 331/11 NAVAREA IV 414/11 NAVAREA IV 431/11
authority: SHGA 24 DEC 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. NAVAREA IV WARNINGS IN FORCE 241000Z DEC 11. ONLY THOSE
   WARNINGS ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   2011 SERIES: 404(GEN), 423(28), 430(24), 433(24).
2. THE SUMMARY OF ALL NAVAREA IV WARNINGS IN FORCE AS OF
   16 DEC 2010 IS GIVEN IN SEC III OF NM 52/10.
   WARNINGS ISSUED DURING THE SUBSEQUENT QUARTERS
   ARE SUMMARIZED IN NM 13/11, 26/11 AND 39/11.
3. CANCEL NAVAREA IV 331/11, 414/11, 431/11.

Timeline

Seismic survey in progress until further notice by M/V sanco spirit towing 8000 meter long cable in area…cancels · 2011-09-23
Geophysical operations in progress until further notice by M/V maersk chignecto towing 750 meter long cable…cancels · 2011-11-23
NAVAREA IV warnings in force 170900Z dec 11cancels · 2011-12-17
Seismic survey in progress until further notice by M/V sanco spirit towing 8000 meter long cable in area…replaced · 2011-09-23
Geophysical operations in progress until further notice by M/V maersk chignecto towing 750 meter long cable…replaced · 2011-11-23
NAVAREA IV warnings in force 170900Z dec 11replaced · 2011-12-17
NAVAREA IV warnings in force 310900Z dec 11cancelled by · 2011-12-31

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 index warnings in force

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.