index

HYDROARC warnings in force 220800Z oct 11

HYDROARC 211/11

issued: 2011-10-22 09:15Z
status: cancelled 2011-11-05 08:55Z (archive)
cancels: HYDROARC 21/10 HYDROARC 30/10 HYDROARC 126/11 HYDROARC 170/11 HYDROARC 199/11
authority: SHGA 22 OCT 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE 220800Z OCT 11. ONLY THOSE
   WARNINGS ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   2011 SERIES: 173(15), 178(15), 198(15), 201(16), 203(16),
   206(42), 207(16), 208(16), 210(42).
2. CANCEL HYDROARC 21/10, 30/10, 126/11, 170/11, 199/11.

Timeline

Nga chart 15641 (0 ed)cancels · 2010-07-03
Nga chart 15926 (0 ed)cancels · 2010-07-06
Seismic survey in progress until further notice by M/V polarcus samur towing eight 6000 meter long cables in…cancels · 2011-08-12
Seismic survey in progress until further notice by M/V harrier explorer towing 8500 meter long cable in area…cancels · 2011-09-15
HYDROARC warnings in force 080800Z oct 11cancels · 2011-10-08
Nga chart 15641 (0 ed)replaced · 2010-07-03
Nga chart 15926 (0 ed)replaced · 2010-07-06
Seismic survey in progress until further notice by M/V polarcus samur towing eight 6000 meter long cables in…replaced · 2011-08-12
Seismic survey in progress until further notice by M/V harrier explorer towing 8500 meter long cable in area…replaced · 2011-09-15
HYDROARC warnings in force 080800Z oct 11replaced · 2011-10-08
HYDROARC warnings in force 050800Z nov 11cancelled by · 2011-11-05

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.