Other
Platform siem helix 1 established in 11-21.83S 036-58.55W
Western South Atlantic · Brazil-east Coast · HYDROLANT 899/21
- issued
- 2021-04-03 04:36Z
- status
- cancelled 2021-04-08 09:41Z (archive)
- self-cancels
- 2021-04-11 12:30Z
- authority
- NAVAREA V COASTAL E 226/21 030228Z APR 21.
- sea
- South Atlantic Ocean
- position
- -11.364, -36.976
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-EAST COAST. DNC 01. 1. PLATFORM SIEM HELIX 1 ESTABLISHED IN 11-21.83S 036-58.55W. 2. CANCEL THIS MSG 111230Z APR 21.
This area · other warnings
24 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now
02
05
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15
20
23
- Vessel loss of contact in 13-04.55S 038-25.28W2023-12-30
- Vessel master jupiter reports one person requiring medical assistance in 13-42.00S 036-39.00W on 24 nov 222022-11-25
- Navigation prohibited 251100Z to 251500Z mar in area bound by 13-09S 038-38W, 13-05S 038-38W, 13-05S…2022-03-21
- Navigation prohibited 25100Z to 251500Z mar in area bound between 13-09S 038-38W, 13-05S 038-34W2022-03-20
- Platform siem helix 1 established in 11-21.70S 036-58.82W2021-06-22
- Navigation prohibited area established until 09 nov in area bound by 10-51.51S 036-52.91W, 10-51.52S…2021-05-13
Season · when other warnings happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 899/21 and this msgcancelled by · 2021-04-08
Nearby now · within 120 nm
Nothing else in force 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.