NAVAREA VII 282/2026
SÉCURITÉSeismic survey (M/V Ramform Hyperion) towing long streamers in NE South Atlantic
ActiveIssued 22 Oct 2026, 00:00 UTC
Warning text
Positions open on the map1. SOUTH ATLANTIC OCEAN – NE SECTOR
2. CHART SAN 90 (INT 2061), 91 (INT 2062)
3. M/V RAMFORM HYPERION CONDUCTING SEISMIC SURVEY OPERATIONS IN AREA BOUNDED BY THE FOLLOWING COORDINATES A. 24-16.20S 011-15.20E B. 24-00.00S 011-15.20E C. 22-29.80S 011-15.30E D. 22-13.30S 011-15.30E E. 22-13.40S 011-23.20E F. 22-07.50S 011-23.20E G. 22-08.30S 011-40.60E H. 22-08.30S 012-23.50E I. 22-08.50S 012-40.80E J. 22-24.70S 012-40.80E K. 22-42.40S 012-40.70E L. 22-58.30S 012-40.60E M. 22-58.60S 012-23.80E N. 24-00.00S 012-23.50E O. 24-16.10S 012-23.40E P. 24-16.20S 012-05.90E Q. 24-16.20S 011-32.90E R. 24-16.20S 011-15.20E
4. VESSEL IS TOWING 12 SEISMIC GEAR WITH A MAXIMUM LENGTH 10500 METRES. TWO SUPPORTING VESSELS ARE IN ATTENDANCE, M/V THOR MAGNI AND M/V ASTRA G
5. VESSELS REQUESTED TO PROVIDE A WIDE BERTH OF AT LEAST 7NM. COMMUNICATION ON VHF CHANNEL 69 OR 16
6. UNTIL FURTHER NOTICE
Location map
Open in the full mapAnalysis
ActiveM/V Ramform Hyperion is conducting seismic survey operations in a large polygon in the NE sector of the South Atlantic Ocean. The vessel is towing 12 seismic streamers up to 10500 metres with two support vessels attending. All vessels are requested to give a wide berth of at least 7 NM and monitor VHF channels 69 or 16. Activity is reported until further notice.
Provide a wide berth of at least 7 NM and monitor VHF channels 69 or 16.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- South Atlantic Ocean - NE sector
- Validity
- From 22 Oct 2026, 00:00 UTC
UNTIL FURTHER NOTICE - Hazards
- towed seismic gear, long towed streamers, survey support vessels
- Keep clear
- 7 NMVESSELS REQUESTED TO PROVIDE A WIDE BERTH OF AT LEAST 7NM.
Contacts
- VHF 69 · communication channel for survey vessels
- VHF 16 · distress/initial contact
Vessels involved
- M/V RAMFORM HYPERION · survey vessel
- M/V THOR MAGNI · support vessel
- M/V ASTRA G · support vessel
Worked out automatically from the warning text on 22 Oct 2026, 10:47 UTC. It can be wrong: the official warning text is the authority.
Keywordssurvey operationsseismic survey
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