France - AVINAV BREST

France394 in force5 new this week38 archivedupdated 13 Nov 2026, 20:49 UTCpage 2 of 8

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344/2026Survey operations
Scientific survey operations in Bassin d'Arcachon (Cantabrico), 3 Oct-15 Nov 2026
Activeuntil 15 Nov 2026, 23:59 UTC (in 24 h)

Briefing for all regions →

290/2026
Le Banc Vert beacon (Laïta) changed to starboard lateral, Iroise (Pouldu)
ActiveAids to navigation
26 Aug 2026, 12:55 UTCShow on map
Lang
Area: IROISE Locality: pouldu BEACON_CHANGE RIVER LAÏTA - LE BANC VERT BEACON - Preferred channel to port The beacon is no longer a preferred channel mark but a starboard lateral beacon 47-46.26N 003-31.83W
289/2026
Leading light sectors changed at Port de l'Aber-Wrac'h (Ouessant)
ActiveAids to navigation
26 Aug 2026, 12:53 UTCShow on map
Lang
Area: OUESSANT Locality: ABER WRAC'H LIGHT_CHANGE PORT OF ABER-WRAC'H - LEADING LIGHT Mark: Sector light 48-35.90N 004-33.80W Following modernization work on the Aber Wrac'h leading light, the sectors have been modified. The sector bearings are: - green sector: 125°-126,7° with an amplitude of 1,7° - white sector: 126,7°-128,3° with an amplitude of 1,6° - red sector: 128,3°- 130° with an amplitude of 1,7° The nominal range of the light remains unchanged.
286/2026
Snagged anchor and cables reported in Iroise
ActiveNavigational hazard
26 Aug 2026, 12:49 UTCShow on map
Lang
Area: IROISE HAZARDOUS_AREA Ancre croche avec une longueur de 30 mètres de chaîne et 10 mètres de câbles
285/2026
Scientific moorings deployed south of Belle-Île; keep 100 m clear
ActiveOffshore operations
26 Aug 2026, 12:47 UTCShow on map
Lang
Area: YEU Locality: SOUTH BELLE ILE Valid from 16 Jul 2026 SCIENTIFIC_MOORING Deployment of instrumented lines set on the seabed and rising to 10m below the surface in positions: -47-17.2784N 003-13.4082W -47-17.0064N 003-13.7276W -47-16.4909N 003-14.4367W Maintain a distance of 100m from the scientific moorings.
284/2026
Temporary starboard lateral buoy established off Pointe Saint-Gildas (Yeu)
ActiveAids to navigation
26 Aug 2026, 12:46 UTCShow on map
Lang
Area: YEU Locality: POINTE SAINT-GILDAS TEMPORARY ESTABLISHMENT OF BUOY BEACON L' APCHEU Mark: Starboard lateral 47-08.52N 002-14.76W
283/2026
Temporary port‑hand buoy established off Pointe Saint-Gildas, Yeu
ActiveAids to navigation
26 Aug 2026, 12:45 UTCShow on map
Lang
Area: YEU Locality: POINTE SAINT-GILDAS TEMPORARY ESTABLISHMENT OF A BUOY LA ROCHE L' ILOT BEACON Mark: Port hand lateral 47-09.05N 002-14.70W
282/2026
Light at Rochebonne (Royan) operating with reduced range
ActiveAids to navigation
18 Aug 2026, 12:32 UTCShow on map
Lang
Area: ROCHEBONNE Locality: ROYAN LIGHT RANGE REDUCED 45-37.12N 001-01.53W
281/2026
Submerged objects in Anse de Camaret (Iroise) - avoid anchoring, dredging or trawling
ActiveWreck / obstruction
18 Aug 2026, 12:32 UTCShow on map
Lang
Area: IROISE Locality: Anse de Camaret SUBMERGED_OBJECT MARINERS ARE REQUESTED NOT TO ANCHOR, DREDGE OR TRAWL AROUND POSITIONS: 48-18.98N 004-37.48W 48-18.98N 004-37.19W 48-18.94N 004-36.83W IN CASE OF RECOVERY, DO NOT HANDLE THE OBJECTS.
280/2026
Sandbanks reported beside access channel to Port of Ars-en-Ré near buoy No.14
ActiveNavigational hazard
18 Aug 2026, 12:30 UTCShow on map
Lang
Area: ROCHEBONNE Locality: ARS EN RE SHALLOW_DEPTH_REPORTED Access channel to the Port of Ars en Ré, presence of sandbanks on the port limit of the channel, in the vicinity of buoy n°14. Navigate along the centerline of the channel in the vicinity of the buoy.
276/2026
Oceanographic moorings southwest of Belle-Île; avoid marked buoys
ActiveOffshore operations
18 Aug 2026, 12:24 UTCShow on map
Lang
Area: YEU Locality: BELLE ILE SCIENTIFIC_MOORING Oceanographic moorings have been established southwest of Belle-Île. C1: Avoidance radius: 100m. 47-17.23N 003-13.52W C2: Avoidance radius: 100m. 47-15.97N 003-15.68W C3: Avoidance radius: 100m. 47-12.96N 003-18.07W C4: instrument mooring extending to the surface, marked by two orange surface buoys. Avoidance radius: 200m. 4
275/2026
Port of Morlaix: lockage at 1 hour after HW cancelled for tides coef. <=70
ActivePort / channel notice
18 Aug 2026, 12:23 UTCShow on map
Lang
Area: OUESSANT Locality: MORLAIX REGULATION Port of Morlaix: For any tide less than or equal to a coefficient of 70, the lockage scheduled 1h after high water is cancelled. Other lockages (1h30 before high water and at high water) remain unchanged.
269/2026PAN PAN
Dangerous wreck off Saint-Jean-de-Luz, Cantabrian Sea
ActiveWreck / obstruction
28 Jul 2026, 13:46 UTCShow on map
Lang
Area: CANTABRICO Locality: SAINT-JEAN-DE-LUZ DANGEROUS_WRECK Navire de 8.66 mètres, coulé le 280140 UTC JUN 26 à la position: 43°26'N - 001°42'W. Dangereux pour la navigation.
268/2026PAN PAN
Damaged port-hand beacon off Saint-George-de-Didonne (Rochebonne)
ActiveAids to navigation
28 Jul 2026, 13:45 UTCShow on map
Lang
Area: ROCHEBONNE Locality: SAINT-GEORGE-DE-DIDONNE BEACON_DAMAGED 1ST PORT HAND BEACON Mark: Port lateral 45-35.81N 001-00.40W The beacon is broken at mid-height and represents a danger to navigation.
267/2026
Temporary change to Portzic light sectors and ranges in the Goulet de Brest
ActiveAids to navigation
28 Jul 2026, 13:44 UTCShow on map
Lang
Area: IROISE Locality: GOULET DE BREST LIGHT_TEMPORARY_CHANGE PORTZIC LIGHT 48-21.50N 004-32.04W Implementation for a trial period of a new light source with a nominal range of 15 NQ in the white sector and 11 NQ in the
266/2026
Port Maria lighthouse sectors being checked, Quiberon Bay
ActiveAids to navigation
28 Jul 2026, 13:43 UTCShow on map
Lang
Area: YEU Locality: QUIBERON BAY, QUIBERON LIGHT_TEMPORARY_CHANGE PORT MARIA LIGHTHOUSE 47-28.78N 003-07.45W Mariners are advised that work on Port Maria Lighthouse is still in progress. Following the reassembly of the lighthouse lantern, the eight colored sectors will be checked; in the meantime, mariners are requested to exercise caution when navigating near sector limits.
265/2026
Restriction zones to be activated off Biarritz (Cantabrico)
ActiveRestricted area
28 Jul 2026, 13:41 UTCShow on map
Lang
Area: CANTABRICO Locality: BIARRITZ EXCLUSION_ZONES In accordance with Atlantic Maritime Prefecture decree 2026/104 of 25 June 2026, restriction zones will be activated. The full text of decree 2026/104 is available on the Atlantic Maritime Prefecture website www.premar-atlantique.gouv.fr and on NAV&CO.
263/2026
Lesconil access channel heavily silted (Iroise)
ActiveNavigational hazard
28 Jul 2026, 13:38 UTCShow on map
Lang
Area: IROISE Locality: LESCONIL SANDSPIT Lesconil access channel heavily silted with soundings of -0.4 in the channel between the two port hand buoys. 47-47.72N 004-12.73W
262/2026
Exclusion zone around Fort Boyard (Rochebonne) - navigation, anchoring and diving prohibited
ActiveRestricted area
28 Jul 2026, 13:34 UTCShow on map
Lang
Area: ROCHEBONNE Locality: FORT BOYARD EXCLUSION ZONES Decree 2026/081 of the Atlantic Maritime Prefecture in force. The full text of this decree can be found on PING or on the PREMAR website. Navigation, stopping, and anchoring of all vessels and watercraft, as well as swimming and scuba diving, are strictly prohibited within the perimeter bounded by: 46-00.02N 001-13.07W 46-00.13N 001-12.73W 45-59.89N 001-12.58W 45-59.78N 001-12.92W
260/2026
Unexploded pyrotechnic device reported off Biscarrosse
ActiveWreck / obstruction
24 Jul 2026, 14:08 UTCShow on map
Lang
Area: CANTABRICO Locality: APPROACHES TO BISCAROSSE SUBMERGED OBJECT NAVIGATORS ARE INFORMED OF THE PRESENCE OF AN UNEXPLODED PYROTECHNIC DEVICE: - POSITION (WGS84) 44 22,94 N / 001 45,97 W - LENGTH: 1,50 TO 3,30 METRES DEPENDING ON INTEGRITY - DIAMETER: APPROXIMATELY 280 MM. NAVIGATORS ARE REQUESTED NOT TO ANCHOR, DREDGE OR TRAWL WITHIN A RADIUS OF 1000 METRES AROUND THIS POSITION. IN CASE OF RECOVERY, DO NOT HANDLE THE OBJECT, APPLY DECREE 2002/23 OF 15 MAY 2002 AND CONTACT CROSS ETEL ON TEL 196 OR VHF CHANNEL 16.
259/2026
Submerged object and buoy off Biscarrosse - navigation prohibited within 500 m
ActiveNavigational hazard
24 Jul 2026, 14:07 UTCShow on map
Lang
Area: CANTABRICO Locality: OFF BISCAROSSE SUBMERGED_OBJECT SURFACE BUOY (DIAMETER APPROX 50CM), MARKER AND SINKER MOORED AT POSITION 44 23 N / 001 46 W AS WELL AS AN INFLATABLE STRUCTURE SUNK OR AT
258/2026
Temporary lateral buoys established off La Palmyre (Rochebonne)
ActiveAids to navigation
24 Jul 2026, 14:05 UTCShow on map
Lang
Area: ROCHEBONNE Locality: LA PALMYRE BUOY_TEMPORARY_ESTABLISHMENT Establishment of temporary lateral buoys in positions 45-40.64N 001-10.56W 45-40.65N 001-10.60W 45-40.79N 001-10.79W 45-40.92N 001-10.88W 45-41.00N 001-11.03W 45-40.99N 001-11.06W 45-40.80N 001-10.77W 45-40.18N 001-10.62W 45-40.18N 001-10.71W 45-40.27N 001-10.70W 45-40.28N 001-10.62W 45-40.41N 001-10.61W 45-40.41N 001-10.55W 45-40.47N 001-10.62W 45-40.48N 001-10.57W
255/2026
Unexploded ordnance reported off Biscarosse, Cantabrico
ActiveWreck / obstruction
24 Jul 2026, 14:00 UTCShow on map
Lang
Area: CANTABRICO Locality: OFF BISCAROSSE SUBMERGED OBJECT UNEXPLODED ORDNANCE: - POSITION (WGS84) 44 24,98 N / 001 45,93 W - LENGTH: 1,50 TO 3,30 METRES DEPENDING ON INTEGRITY - DIAMETER: APPROXIMATELY 280 MM. MARINERS ARE REQUESTED NOT TO ANCHOR, DREDGE OR TRAWL WITHIN A RADIUS OF 1000 METRES AROUND THIS POSITION. IN CASE OF RECOVERY, DO NOT HANDLE THE OBJECT, APPLY ORDER 2002/23 OF 15 MAY 2002 AND CONTACT CROSS ETEL ON TEL 196 OR VHF CHANNEL 16.
254/2026
Submerged yellow inflatable structure moored off Biscarosse - keep 600 m
ActiveWreck / obstruction
24 Jul 2026, 13:59 UTCShow on map
Lang
Area: CANTABRICO Locality: OFF BISCAROSSE SUBMERGED OBJECT YELLOW INFLATABLE STRUCTURE 4,50 M IN DIAMETER MOORED IN POSITION 44-24.98N 001-45.93W NAVIGATION PROHIBITED WITHIN 600M OF THIS POSITION. FOR ANY INFORMATION OR SPECIAL AUTHORIZATION, CONTACT THE MARITIME SAFETY CELL OF DGA ESSAIS DE MISSILES LANDES SITE BY TELEPHONE AT 05.58.82.22.58 OR 06.08.26.10.23, OR THE ACTMER OFFICER AT 06.32.54.38.56.
253/2026
Fishing vessel aground at south breakwater, Port de La Cotinière (Île d'Oléron)
ActiveWreck / obstruction
15 Jul 2026, 09:17 UTCShow on map
Lang
Area: ROCHEBONNE Locality: ILE D'OLÉRON HAZARDOUS AREA ILE D'OLÉRON AREA - PORT OF LA COTINIERE FISHING VESSEL "FANTÔME DES MER" GROUNDED AT THE SOUTH BREAKWATER OF THE PORT OF LA COTINIERE. PSN:45°54'79 N 001°19°65 W
251/2026
Scientific buoy apparatus deployed near Ile de Kervouroc and Ile de Béniguet (Iroise)
ActiveSurvey operations
15 Jul 2026, 09:15 UTCShow on map
Lang
Area: IROISE Locality: Ile de Kervouroc, Ile de Béniguet, La basse des Renards Valid from 15 Jun 2026 SCIENTIFIC_BUOY_APPARATUS IN POSITIONS: 48-21.00N 004-46.80W 48-20.40N 004-52.20W 48-19.20N 004-52.80W
246/2026
Sandbank near Morgat harbour entrance (Iroise)
ActiveNavigational hazard
07 Jul 2026, 09:02 UTCShow on map
Lang
Area: IROISE Locality: MORGAT SANDSPIT A sandbank is present near the harbour entrance, risk particularly at low tide and for deep draught vessels. Approximate position area around 48-13.61N 004-29.71W.
245/2026
Submerged red and yellow parachute-equipped objects off Biscarosse
ActiveWreck / obstruction
07 Jul 2026, 09:00 UTCShow on map
Lang
Area: CANTABRICO Locality: OFF BISCAROSSE SUBMERGED_OBJECT RED AND YELLOW COLOURED OBJECTS WITH PARACHUTE LENGTH 1.65 METRE WIDTH 2.20M IN POSITIONS: 44-22.05N 001-32.67W 44-22.56N 001-35.03W MARINERS ARE REQUESTED NOT TO ANCHOR, DREDGE OR TRAWL AROUND THESE POSITIONS. IN CASE OF RECOVERY, DO NOT HANDLE THE OBJECT, APPLY DECREE 2002/23 DATED 15 MAY 2002 AND CONTACT CROSS ETEL ON TEL 196 OR VHF CHANNEL 16
244/2026
Lost white subsurface mooring buoy near Belle-Île, Port Maria
ActiveAids to navigation
07 Jul 2026, 08:57 UTCShow on map
Lang
Area: YEU Locality: Belle Ile - Port Maria SUBSURFACE_MOORING Bouée de mouillage de couleur blanche perdue avec sa chaine de 15m de long . 60 cm de diamètre avec l'inscription "ANIPORT" .
243/2026PAN PAN
Dangerous stranded sailboat off Ile de Sein (Iroise)
ActiveWreck / obstruction
07 Jul 2026, 08:52 UTCShow on map
Lang
Area: IROISE Locality: ILE DE SEIN DANGEROUS WRECK STRANDED SAILBOAT 48-01.90N 004-50.52W
238/2026
Anchors and chain slipped near approaches to Ile de Groix (Iroise)
ActiveDrifting object
07 Jul 2026, 08:41 UTCShow on map
Lang
Area: IROISE Locality: APPROACHES TO ILE DE GROIX HAZARDOUS_AREA 47-37.39N 003-26.33W area of radius 0.4 NM centered on 47-37.39N 003-26.33W. anchor and chain slipped - length unknown
236/2026
Submerged fishing net reported in Loire approaches (Yeu area)
ActiveDrifting object
01 Jul 2026, 07:39 UTCShow on map
Lang
Area: YEU Locality: LOIRE APPROACHES SUBMERGED FISH NET Unmarked trawl, snagged on the bottom and rising to within 1M of the surface (in a depth of 36M). Trawl width: 10M 47-00.87N 002-41.89W
231/2026
Scientific buoy deployed off Rochebonne (Hourtin) from 26 May 2026
ActiveSurvey operations
22 Jun 2026, 11:38 UTCShow on map
Lang
Area: ROCHEBONNE Locality: HOURTIN Valid from 26 May 2026 13:24 UTC SCIENTIFIC BUOY APPARATUS DEPLOYED BY THE VESSEL 'L'AVENIR'
230/2026PAN PAN
Explosive device hazard off Mimizan / Biscarrosse (Cantabrico)
ActiveDrifting object
22 Jun 2026, 11:36 UTCShow on map
Lang
Area: CANTABRICO Locality: APPROACHES TO BISCARROSSE EXPLOSIVE DEVICE HAZARDOUS AREA MARINERS AND SEA USERS ARE INFORMED OF THE PRESENCE OF A DRIFTING DEVICE PROBABLY SUNK IN THE COASTAL AREA BELOW OFF MIMIZAN / BISCARROSSE OR DRIFTED TO THE BEACH. THIS DEVICE CONTAINS
229/2026PAN PAN
Submerged red-and-yellow objects off Biscarosse, Cantabrico
ActiveNavigational hazard
22 Jun 2026, 11:35 UTCShow on map
Lang
Area: CANTABRICO Locality: OFF BISCAROSSE SUBMERGED_OBJECT HAZARDS TO NAVIGATION 1/2 RED AND YELLOW OBJECT IN POSITION 44°20'19.94''N 001°22'02.93''W LENGTH 1.65 METRES WIDTH
227/2026PAN PAN
Sunken 7m sailing vessel reported near Glénan, Iroise
ActiveWreck / obstruction
22 Jun 2026, 11:33 UTCShow on map
Lang
Area: IROISE Locality: ABORDS GLENAN DANGEROUS_WRECK LE CROSSA ETEL SIGNALE EPAVE D'UN VOILIER DE 7M, COULE.
225/2026
Beacon 7 topmark missing near Rivière d'Auray (Iroise)
ActiveAids to navigation
16 Jun 2026, 11:55 UTCShow on map
Lang
Area: IROISE Locality: RIVIERE D'AURAY BEACON TOPMARK MISSING BEACON 7 - VASIERE DE KERDANIEL Mark: Starboard lateral 47-39.01N 002-58.53W
224/2026
South cardinal buoy ALGO 1 off-position south of Lesconil (Iroise)
ActiveAids to navigation
16 Jun 2026, 11:53 UTCShow on map
Lang
Area: IROISE BUOY OFF POSITION Off Lesconil ALGO 1 Mark: South Cardinal 47-46.54N 004-10.65W
221/2026PAN PAN
Submerged fishing net reported off Ouessant
ActiveDrifting object
10 Jun 2026, 09:32 UTCShow on map
Lang
Area: OUESSANT SUBMERGED_FISH_NET OUESSANT NEWLY DISCOVERED DANGERS 1. PRESENCE OF A SUBMERGED FISHING NET 48-29.82N 005-50.96W 2. CANCEL AVURNAV BREST 194/26
219/2026
Buoy topmark missing at La Petite Fourche, Aber-Wrac'h approaches
ActiveAids to navigation
10 Jun 2026, 09:07 UTCShow on map
Lang
Area: OUESSANT Locality: ABER WRAC'H BUOY TOPMARK MISSING ABER-WRAC'H APPROACH LA PETITE FOURCHE BUOY - West Cardinal 48-36.96N 004-38.79W
217/2026
Floating tethered scientific instrument off Bayonne, Cantabrian Sea
ActiveDrifting object
10 Jun 2026, 09:04 UTCShow on map
Lang
Area: CANTABRICO Locality: APPROACHES TO BAYONNE SUBMERGED_OBJECT A line extending from a scientific instrument resting on the seabed at 95METRES depth to a few metres below the surface, floating APPROXIMATE PSN: 43-35.38N 001-38.85W
211/2026SÉCURITÉ
Lights unreliable at Yeu-Noirmoutier wind farm; temporary and permanent lights coexist
ActiveAids to navigation
02 Jun 2026, 11:42 UTCShow on map
Lang
Area: YEU Locality: YEU - NOIRMOUTIER WIND FARM LIGHT UNRELIABLE Establishment of permanent maritime aids to navigation. Two light systems coexist: temporary marking and permanent lights, the characteristics of which, currently being adjusted, do not appear on nautical documentation.
208/2026
Special-mark wave buoy missing off Oléron (Rochebonne)
ActiveAids to navigation
02 Jun 2026, 11:37 UTCShow on map
Lang
Area: ROCHEBONNE Locality: OFF OLERON BUOY_MISSING WAVE BUOY Mark: Special 45-55.00N 001-50.00W
204/2026PAN PAN
Buoy/topmark damaged off Île d'Ouessant
ActiveAids to navigation
27 May 2026, 09:50 UTCShow on map
Lang
Area: OUESSANT Locality: ILE D'OUESSANT BUOY_TOPMARK_DAMAGED 48-28.32N 005-02.61W N° 2900329 APPROACHES TO ILE D'OUESSANT - BEACON GORLE-BIAN - GORLE BIHAN Mark: Isolated danger
203/2026
Submerged object marked by orange buoy off Biscarosse (Cantabrico)
ActiveWreck / obstruction
27 May 2026, 09:49 UTCShow on map
Lang
Area: CANTABRICO Locality: BISCAROSSE SUBMERGED_OBJECT marked by orange buoy 44-22.90N 001-25.90W
202/2026
Four special-mark buoys established marking Basefusco (Lanester) perimeter, Iroise
ActiveAids to navigation
27 May 2026, 09:48 UTCShow on map
Lang
Area: IROISE Locality: LORIENT BUOY ESTABLISHMENT 4 special mark buoys equipped with yellow light Fl 4s - range 1M have been established to delimit the perimeter of the Basefusco - Lanester military zone BUOY 1 - BASEFUSCO in position 47-44.67N 003-20.86W BUOY 2 - BASEFUSCO in position 47-44.34N 003-20.75W BUOY 3 - BASEFUSCO in position 47-44.43N 003-20.35W BUOY 4 - BASEFUSCO in position 47-44.52N 003-19.95W
190/2026
Damaged port-hand beacon at Plouescat (Port de Porsguen), Ouessant area
ActiveAids to navigation
19 May 2026, 13:31 UTCShow on map
Lang
Area: OUESSANT BEACON_DAMAGED PLOUESCAT - Port of Porsguen Port hand lateral beacon 48-39.90N 004-13.10W
187/2026
Buoy No.6 moved off Saint-Gilles-Croix-de-Vie (YEU area)
ActiveAids to navigation
19 May 2026, 13:22 UTCShow on map
Lang
Area: YEU Locality: SAINT GILLES CROIX DE VIE Valid from 16 Apr 2026 BUOY_MOVE buoy N°6 moved to the following position: 46-41.82N 001-56.78W
186/2026
Light characteristics changed in Saint-Gilles Croix de Vie channel
ActiveAids to navigation
19 May 2026, 13:20 UTCShow on map
Lang
Area: YEU Locality: SAINT GILLES CROIX DE VIE Valid from 13 Apr 2026 09:36 UTC LIGHT_CHANGE The light characteristics of the Saint-Gilles Croix de Vie channel are modified as follows: Starboard buoy No 1: 46-41.65N 001
183/2026
Navigation prohibited in Baie de Douarnenez (Iroise)
ActiveRestricted area
18 May 2026, 11:35 UTCShow on map
Lang
Area: IROISE Locality: BAIE DE DOUARNENEZ EXCLUSION_ZONES In accordance with Atlantic Maritime Prefecture decree 2025/065, navigation is prohibited in the following area: area bounded by: 48-09.21N 004-25.22W 48-09.26N 004-25.01W 48-09.25N 004-24.88W 48-09.22N 004-25.00W The full decree 2025/065 is available on the Atlantic Maritime Prefecture website www.premar-atlantique.gouv.fr and on PING.

1 earlier routine report replaced by newer issues

250/202615 Jul 2026, 09:14 UTC
Temporary removal of port lateral buoy off Oléron (Rochebonne)
ActiveAids to navigation
Superseded by newer Aids to navigation notice348/2026