2053/26
SÉCURITÉUnderwater operations off Brazil (South Atlantic), 17-30 Oct
No longer in forceReceived 16 Oct 2026, 10:37 UTCArchived 04 Nov 2026, 19:33 UTC
Warning text
Positions open on the mapSOUTH ATLANTIC.
BRAZIL.
1. UNDERWATER OPERATIONS 0800Z TO 1700Z
DAILY 17 THRU 30 OCT BY M/V COMANDO B
AND M/V SEAWAY EAGLE
IN 20-23.73S 040-09.85W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 301800Z OCT 26.
Location map
Open in the full mapAnalysis
No longer in forceUnderwater operations will be conducted off the coast of Brazil by M/V COMANDO B and M/V SEAWAY EAGLE. Activity is daily from 0800Z to 1700Z between 17 and 30 October. A wide berth is requested. Message cancels itself at 301800Z OCT 26.
Give the operations a wide berth as requested and navigate with caution in the area during the stated times.
- Type
- Offshore operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
- Location
- South Atlantic, off Brazil (position given in message)
- Validity
- From 17 Oct 2026, 08:00 UTC
Until 30 Oct 2026, 18:00 UTC0800Z TO 1700Z DAILY 17 THRU 30 OCT ... CANCEL THIS MSG 301800Z OCT 26. - Activity periods
- 17 Oct 2026, 08:00 UTC - 30 Oct 2026, 17:00 UTC (Daily 0800-1700 UTC)
- Hazards
- underwater operations
Vessels involved
- M/V COMANDO B · work vessel
- M/V SEAWAY EAGLE · work vessel
Coast stations for this area
- RCCMRCC BrazilBrazil225 NM from the area
- DSCDSC Station Rio RadioMRCC BrazilBrazilMMSI 007100001HF250 NM from the area
Worked out automatically from the warning text on 16 Oct 2026, 11:07 UTC. It can be wrong: the official warning text is the authority.