315/2026
ArchivedReceived: 19 Oct 2026, 13:58Archived: 19 Oct 2026, 14:24Updated: 30 Oct 2026, 11:05
analysis
No longer in forceSea trials of surface and underwater drones in Rade de Brest; keep 500 m
Sea trials involving a surface drone and an underwater drone are taking place in the Rade de Brest. Activity is reported in two zones: SW of the roads near 48-19.70N 004-28.50W and SE of the roads near 48-19.30N 004-31.40W. Mariners are instructed to navigate with caution and respect a safety distance of 500 metres. No times or end date are given in the message.
Navigate with caution in the vicinity of the listed zones and maintain a safety distance of 500 metres.
- 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
- Rade de Brest
- Hazards
- surface drone operations, underwater drone operations
- Keep clear
- 0.27 NMRESPECTER UNE DISTANCE DE SECURITE DE 500 METRES
Coast stations for this area
- RCCMRCC EtelFranceMMSI 00227500065 NM from the area
- RCCMRSC BrixhamUnited KingdomMMSI 002320013129 NM from the area
- RCCMRCC JobourgFrance130 NM from the area
- DSCDSC Station CorsenMRCC CorsenFranceMMSI 002275300VHF 27, MF 140range 140 NM13 NM from the area
- DSCDSC Station Pointe du RazMRCC CorsenFranceMMSI 002275300VHF 24range 24 NM20 NM from the area
- DSCDSC Station Stiff OuessantMRCC CorsenFranceMMSI 002275300VHF 33, MF 140range 140 NM24 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 NM32 NM from the area
Generated automatically from the warning text on 19 Oct 2026, 14:07 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
Lang
Area: RADE DE BREST
SEA_TRIALS
OPERATION OF A SURFACE AND UNDERWATER DRONE
SW area of the roads around 48-19.70N 004-28.50W.
SE area of the roads around 48-19.30N 004-31.40W.
NAVIGATE WITH CAUTION IN THE VICINITY OF THESE AREAS AND MAINTAIN A