319/2026
ArchivedReceived: 23 Oct 2026, 07:54Archived: 27 Oct 2026, 23:03Updated: 2 Nov 2026, 08:25
analysis
No longer in forceSurface and underwater drone trials in Bay of Roscanvel, SW roadstead of Brest
Sea trials deploying a surface and an underwater drone are underway in the Bay of Roscanvel, roadstead of Brest. Mariners are advised to navigate with caution near the area. A safety distance of 500 metres is required around the trial zone centred SW of the roadstead near 48-19.40N 004-31.23W.
Navigate with caution and keep a safety distance of 500 metres from the trial area.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/survey/
- Location
- Roadstead of Brest, Bay of Roscanvel (SW area of the roadstead around 48-19.40N 004-31.23W)
- Hazards
- surface drone operations, underwater drone operations, small unmanned craft in vicinity
- Keep clear
- 0.27 NMRESPECTER UNE DISTANCE DE SECURITE DE 500 METRES
Coast stations for this area
- RCCMRCC EtelFranceMMSI 00227500066 NM from the area
- RCCMRSC BrixhamUnited KingdomMMSI 002320013130 NM from the area
- RCCMRCC JobourgFrance132 NM from the area
- DSCDSC Station CorsenMRCC CorsenFranceMMSI 002275300VHF 27, MF 140range 140 NM12 NM from the area
- DSCDSC Station Pointe du RazMRCC CorsenFranceMMSI 002275300VHF 24range 24 NM19 NM from the area
- DSCDSC Station Stiff OuessantMRCC CorsenFranceMMSI 002275300VHF 33, MF 140range 140 NM23 NM from the area
- DSCDSC Station Pen MarchMRCC EtelFranceMMSI 002275000VHF 28range 28 NM32 NM from the area
- DSCDSC Station Batz IslandMRCC CorsenFranceMMSI 002275300VHF 27range 27 NM33 NM from the area
Generated automatically from the warning text on 23 Oct 2026, 08:07 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
Lang
Area: Roadstead of Brest
Locality: Bay of Roscanvel
SEA_TRIALS
DEPLOYMENT OF A SURFACE AND UNDERWATER DRONE
NAVIGATE WITH CAUTION IN THE VICINITY OF THESE AREAS AND MAINTAIN A SAFETY DISTANCE OF 500 METRES
SW area of the roadstead around 48-19.40N 004-31.23W.