3607/2026
ArchivedReceived: 14 Oct 2026, 08:53Archived: 17 Oct 2026, 00:04Updated: 2 Nov 2026, 00:07
analysis
No longer in forceSea trials (drifting acoustic buoy and measurements) south of Ile de Groix, 16 Oct
On 16 October 2026 a drifting acoustic buoy will be deployed and acoustic measurements carried out by a naval vessel south of Ile de Groix. Activity is within a 1 NM radius of 47-33.71N 003-28.17W. Mariners are asked not to hinder operations and to give a wide berth. No times are specified beyond "during the day".
Do not hamper these operations and give a wide berth.
- 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
- South of Ile de Groix, Iroise
- Validity
- From 16 Oct 2026, 00:00 UTC
Until 16 Oct 2026, 23:59 UTCLa journée du 16 octobre 2026. - Activity periods
- 16 Oct 2026, 00:00 UTC - 16 Oct 2026, 23:59 UTC (During the day on 16 October 2026)
- Hazards
- drifting acoustic buoy, acoustic measurements by naval vessel
- Keep clear
- 1 NMzone d'un rayon de 1 NM autour de 47-33.71N 003-28.17W.
Vessels involved
- Unnamed · naval survey vessel
Coast stations for this area
- RCCMRCC EtelFranceMMSI 00227500012 NM from the area
- RCCMRCC JobourgFrance142 NM from the area
- RCCMRCC FalmouthUnited KingdomMMSI 002320014164 NM from the area
- DSCDSC Station GroixMRCC EtelFranceMMSI 002275000VHF 24range 24 NM6 NM from the area
- DSCDSC Station EtelMRCC EtelFranceMMSI 002275000VHF 26range 26 NM12 NM from the area
- DSCDSC Station Belle IleMRCC EtelFranceMMSI 002275000VHF 27range 27 NM18 NM from the area
- DSCDSC Station Pen MarchMRCC EtelFranceMMSI 002275000VHF 28range 28 NM39 NM from the area
- DSCDSC Station KerrouaultMRCC EtelFranceMMSI 002275000VHF 33range 33 NM40 NM from the area
Generated automatically from the warning text on 14 Oct 2026, 09:17 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
Lang
Area: IROISE
Locality: South of Ile de Groix
SEA_TRIALS
During the day on 16 October 2026.
Deployment of a drifting acoustic buoy followed by acoustic measurements conducted by a naval vessel.
Area with a radius of 1 NM around 47-33.71N 003-28.17W.
Do not hamper these operations and give a wide berth.