3645/2026
Hydrographic survey with underwater drone in Iroise (Douarnenez & Pierres Noires), 26 Oct-06 Nov
Activeuntil 06 Nov 2026, 23:59 UTC (in 5 days)Received 22 Oct 2026, 12:50 UTC
Warning text
Lang
Area: IROISE
Locality: BAIE DE DOUARNENEZ, PIERRES NOIRES
Valid from 26 Oct 2026 to 06 Nov 2026
SCIENTIFIC_SURVEY
Hydrographic survey conducted by a French Navy vessel deploying an underwater drone in the following areas:
Douarnenez area bounded by:
48-12.00N 004-26.50W
48-12.00N 004-25.00W
48-07.70N 004-21.50W
48-06.60N 004-28.60W
48-08.50N 004-32.00W
48-10.30N 004-29.90W
48-10.30N 004-27.60W
Pierres Noires area bounded by:
48-18.00N 005-00.00W
48-18.00N 004-52.00W
48-14.00N 004-52.00W
48-14.00N 005-00.00W
Do not hamper manoeuvres - do not approach within 500 metres of the vessel.
Analysis
Activeuntil 06 Nov 2026, 23:59 UTC (in 5 days)A French Navy hydrographic survey deploying an underwater drone will operate in the Iroise Sea in two areas: Baie de Douarnenez and Pierres Noires. The activity is scheduled from 26 Oct 2026 to 06 Nov 2026. Mariners are requested not to hamper manoeuvres and not to approach the survey vessel within 500 metres.
Do not hamper manoeuvres - do not approach within 500 metres of the vessel.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Iroise, Baie de Douarnenez and Pierres Noires
- Validity
- From 26 Oct 2026, 00:00 UTC
Until 06 Nov 2026, 23:59 UTCValid from 26 Oct 2026 to 06 Nov 2026 - Activity periods
- 26 Oct 2026, 00:00 UTC - 06 Nov 2026, 23:59 UTC (continuous during this period)
- Hazards
- hydrographic survey, underwater drone operations, survey vessel manoeuvres
- Keep clear
- 0.27 NMdo not approach within 500 metres of the vessel
Vessels involved
- Unnamed · survey vessel
Coast stations for this area
- RCCMRCC EtelFranceMMSI 00227500059 NM from the area
- RCCMRCC JobourgFrance134 NM from the area
- RCCMRSC BrixhamUnited KingdomMMSI 002320013136 NM from the area
- DSCDSC Station Pointe du RazMRCC CorsenFranceMMSI 002275300VHF 24range 24 NM15 NM from the area
- DSCDSC Station CorsenMRCC CorsenFranceMMSI 002275300VHF 27, MF 140range 140 NM19 NM from the area
- DSCDSC Station Pen MarchMRCC EtelFranceMMSI 002275000VHF 28range 28 NM24 NM from the area
- DSCDSC Station Stiff OuessantMRCC CorsenFranceMMSI 002275300VHF 33, MF 140range 140 NM29 NM from the area
- DSCDSC Station Batz IslandMRCC CorsenFranceMMSI 002275300VHF 27range 27 NM37 NM from the area
Worked out automatically from the warning text on 22 Oct 2026, 14:08 UTC. It can be wrong: the official warning text is the authority.