314/2026
Scientific buoy and subsurface float deployment in Baie de Roscanvel, Rade de Brest 21-23 Oct
No longer in forceReceived 19 Oct 2026, 07:22 UTCArchived 22 Oct 2026, 08:05 UTC
Warning text
Positions open on the mapLang
Area: RADE DE BREST
Locality: Baie de Roscanvel, Banc de Saint-Pierre
Valid from 21 Oct 2026 to 23 Oct 2026
SCIENTIFIC_BUOY_APPARATUS
Deployment of 3 acoustic subsurface floats and 1 buoy from the RIB RACKHAM
area bounded by:
48-21.48N 004-32.38W
48-21.48N 004-30.00W
48-19.14N 004-30.00W
48-19.14N 004-32.38W
48-20.44N 004-31.87W
Do not impede manoeuvres - Maintain a distance of 100m from the RIB.
Location map
Open in the full mapAnalysis
No longer in forceDeployment of three acoustic subsurface floats and one surface buoy in the Baie de Roscanvel (Banc de Saint-Pierre), Rade de Brest. Operations from 21 Oct 2026 to 23 Oct 2026 in the polygon given. Work launched from the RIB RACKHAM; do not impede manoeuvres and keep 100 m from the RIB.
Do not impede manoeuvres; maintain a distance of 100 m from the RIB RACKHAM and navigate with caution in the marked area.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Rade de Brest, Baie de Roscanvel, Banc de Saint-Pierre
- Validity
- From 21 Oct 2026, 00:00 UTC
Until 23 Oct 2026, 23:59 UTCValid from 21 Oct 2026 to 23 Oct 2026 - Activity periods
- 21 Oct 2026, 00:00 UTC - 23 Oct 2026, 23:59 UTC (Deployment period)
- Hazards
- acoustic subsurface floats, surface buoy, small boat manoeuvres (RIB)
- Keep clear
- 0.053995911 NMMaintenir à une distance de 100m du semi-rigide.
Vessels involved
- RACKHAM · launching vessel (RIB)
Coast stations for this area
- RCCMRCC EtelFranceMMSI 00227500068 NM from the area
- RCCMRSC BrixhamUnited KingdomMMSI 002320013128 NM from the area
- RCCMRCC JobourgFrance131 NM from the area
- DSCDSC Station CorsenMRCC CorsenFranceMMSI 002275300VHF 27, MF 140range 140 NM10 NM from the area
- DSCDSC Station Pointe du RazMRCC CorsenFranceMMSI 002275300VHF 24range 24 NM21 NM from the area
- DSCDSC Station Stiff OuessantMRCC CorsenFranceMMSI 002275300VHF 33, MF 140range 140 NM21 NM from the area
- DSCDSC Station Batz IslandMRCC CorsenFranceMMSI 002275300VHF 27range 27 NM31 NM from the area
- DSCDSC Station Pen MarchMRCC EtelFranceMMSI 002275000VHF 28range 28 NM34 NM from the area
Worked out automatically from the warning text on 19 Oct 2026, 07:47 UTC. It can be wrong: the official warning text is the authority.