Other

Geophysical operations 1000Z to 2359Z daily 07 thru 22 mar by M/V acergy petrel in area bound by 20-59.52S…

Brazil-southeast Coast · HYDROLANT 509/12

issued
2012-03-06 20:01Z
status
cancelled 2012-03-23 00:59Z (archive)
self-cancels
2012-03-23 00:59Z
authority
NAVAREA V E 294/12 061844Z MAR 12.
sea
South Atlantic Ocean
position
-20.438, -40.053
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
1. GEOPHYSICAL OPERATIONS 1000Z TO 2359Z DAILY
   07 THRU 22 MAR BY M/V ACERGY PETREL
   IN AREA BOUND BY
   20-59.52S 040-24.93W, 20-59.07S 040-25.15W,
   19-54.50S 039-42.43W, 19-54.82S 039-42.05W.
2. CANCEL THIS MSG 230059Z MAR.

Activity windows · 16 in this warning

opens (UTC)closes (UTC)locallength
2012-03-07 10:00Z2012-03-07 23:59Z13 h 59
2012-03-08 10:00Z2012-03-08 23:59Z13 h 59
2012-03-09 10:00Z2012-03-09 23:59Z13 h 59
2012-03-10 10:00Z2012-03-10 23:59Z13 h 59
2012-03-11 10:00Z2012-03-11 23:59Z13 h 59
2012-03-12 10:00Z2012-03-12 23:59Z13 h 59
2012-03-13 10:00Z2012-03-13 23:59Z13 h 59
2012-03-14 10:00Z2012-03-14 23:59Z13 h 59
8 more

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · other warnings

73 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
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15
20
24

Season · when other warnings happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings

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.