Notices - |
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Week 43 |
New Editions of ADMIRALTY Small Craft Charts to be published on 7th November, 2024 SCC 5607.8 Rivers Ore and Alde. 1:25,000 SCC 5607.13 Continuation of River Crouch. 1:25,000 B Burnham- C Entrance to Walton Backwaters. 1:25,000 D Continuation to Battlesbridge. 1:25,000 SCC 5607.14 A Walton Backwaters. 1:12,500 B Continuation of Landermere Creek. 1:12,500 |
Includes full updates for New Edition and Notices to Mariners affecting source charts. |
Week 39 |
ENGLAND - Recent survey information has shown that depths less than charted exist within Gunfleet Sands. The most significant are as follows: Depth Position 1·3m 51° 45´·59N., 1° 20´·72E. 2·5m 51° 45´·65N., 1° 21´·01E. 11·3m 51° 45´·73N., 1° 21´·63E. 13·1m 51° 46´·38N., 1° 23´·28E. Recent survey information has shown that depths less than charted exist within Sunk Sand. The most significant are as follows: Depth Position 1·5m 51° 45´·27N., 1° 28´·29E. 3·8m 51° 45´·56N., 1° 28´·60E. 7·7m 51° 41´·23N., 1° 22´·36E. Recent survey information has shown that depths less than charted exist within Kings Channel. The most significant is 13·8m in position 51° 42´·87N., 1° 22´·20E. Mariners are advised to navigate with caution in the area. Charts will be updated when surveying activities are complete. Notice 4414(P) refers The base image courtesy of Imray ID10 Chart C1 and Meridian Chartware.
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Affects: UKHO SNC: 1183, 1975, and 2692. UKHO SCC: 5607.2 and 5607.4. Imray Full Charts: C1 Imray Leisure Folios 2100.1 and 2000.1 This is a preliminary notice following the recent Civil Hydrology survey reporting reduced depths around the Gunfleet Sands, Sunk Sand and in the Kings Channel. These comprise 1. 4 reductions of depth, 3 adjacent to the Gunfleet Spit cardinal buoy and a fourth with ample water for use north of the cardinal buoy: 2. 2 reductions at the Sunk Head and a third close to the Middle Sunk: 3. A single reduction in the Kings Channel (or West Swin) with ample water for us. There had been a Notice earlier this year (NtM 1026) which advised four reduced depths on the Little Sunk following our survey so those are included in the image. UKHO plan to issue a new edition of SN chart 1975 early next year incorporating all the changes that have been reported this year. That SNC is the leading chart for electronic chartmakers to follow.
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Week 37 |
ENGLAND - Insert: drying height, 0.9, and extend 0m low water line N to enclose 51° 38´·10N., 1° 16´·97E. drying height, 0.8, and extend 0m low water line NW to enclose 51° 38´·01N., 1° 16´·63E. depth, 0.7, and extend 2m contour N to enclose 51° 38´·22N., 1° 17´·68E. Delete depth, 1.9, close S. Notice 4147 refers The base image courtesy of Imray ID10 Chart C1 and Meridian Chartware.
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Affects: UKHO SNC: 1183 and 1975. UKHO SCC: 5606.6, 5606.2 and 5607.2. Imray Full Charts: C1 Imray Leisure Folios 2000.1 and 2100.1 Two drying heights and one reduced depth at the SW Sunk swatchway. This notice is acting our survey earlier this year and the drying height show that the swatch has continued to move to the NE year on year. UKHO plan to issue a new edition of Chart 1975 either this year or earlier next. In the meantime I suggest you adopt our chartlet which already available at https://www.crossingthethamesestuary.com/page29.html
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Week 37 |
ENGLAND - Insert: legend, Less Water Reported (2024), centred on: 51° 43´·79N., 1° 02´·20E. Notice 4208 refers The base image courtesy of Imray ID10 Chart Y17 and Meridian Chartware.
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Affects: UKHO SNC: 1975 and 3741. UKHO SCC: 5607.9 and 5607.3. Imray Full Charts: Y17, C1 Imray Leisure Folios 2000.7 This notice provides a warning of ‘Less water reported 2024’ at the Knoll. This was caused by us when we were down there on a rough day – hence no precise depths but our view was that south of the NW Knoll PHB had almost no water at chart datum. On Saturday we conducted a very full survey in ideal conditions but regretfully (and frustratingly) we (I) suffered a major computer crash just after the survey where we lost the majority of the data. We are endeavouring to reinstate the data but it is unlikely. However, it was clear to us that a large area of sand is barely awash so stay clear. The Knoll swatchway does still exist.
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Week 36 |
ENGLAND - Insert: drying height, 2.6, and extend 0m low water line NE to enclose 51° 48´·003N., 1° 00´·453E. Delete drying height, 1.4, close S. Notice 4078 refers The base image courtesy of Imray ID10 Chart Y17 and Meridian Chartware.
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Affects: UKHO SNC: 3741 (Panel A, Brightlingsea) and 3741. UKHO SCC: 5607.10 (Panel C, Brightlingsea), 5607.10 (Panel A, River Colne) and 5607.9. Imray Full Charts: Y17 Imray Leisure Folios 2000.7 One new drying height at Mersea Stone (opposite the entrance to Brightlingsea Creek). The drying height has increased over one metre and will of course be very steep edged. The tide round there does run quite hard. |
Week 34 |
ENGLAND - Insert: drying height, 1.2 at 51° 41´·97N., 1° 07´·10E. Delete drying height, 0.5, close S. drying height, 0.2, and extend 0m low water line E to enclose 51° 42´·05N., 1° 07´·40E. depth, 1.3 at 51° 42´·22N., 1° 08´·49E. Delete depth, 1.5, close NE. depth, 6.9, and extend 10m contour SW to enclose 51° 42´·02N., 1° 09´·17E. Delete depth, 6, close NW. depth, 1.3 at 51° 42´·60N., 1° 09´·40E. Delete depth, 1.8, close N, depth, 1.5, close S and depth, 1.4, close SW (depending on chart). depth, 4.9, and extend 5m contour SE to enclose 51° 42´·28N., 1° 10´·07E. Delete depth, 9.7, close SW. Notice 3917 refers The base image courtesy of Imray ID10 Chart Y17 and Meridian Chartware. |
Affects: UKHO SNC: 1183 and 1975. UKHO SCC: 5607.3 and 5607.2. Imray Full Charts: C1 and Y17 Imray Leisure Folios 2000.1 This notice provides 6 changes of drying heights and depths at the Spitway as a result of our survey. As we reported, the east edge of the Buxey Sand has extended a little and a little loss of depth in the line twixt the two safe water buoys; the controlled depth there is 1.1m CD close to the Swin Spitway buoy. The image includes the ‘new’ wreck reported by the Civil Hydrology Programme vide NtM 3316/24. I have the issue of the location of the two safe water buoys with Trinity House. Here you can download the new heights and depths and you can also download our chartlet at: https://www.crossingthethamesestuary.com/page29.html
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Week 30 |
ENGLAND - Amend: light to, Fl.R.3s at 51° 44´·730N., 0° 53´·447E. Delete: legend, 2F.R(vert), centred on: 51° 44´·734N., 0° 53´·537E. Notice 3487 refers Base image courtesy of Imray ID10 Chart Y17 and Meridian Chartware. |
Affects: UKHO SNC: 3741 (Panel D, Bradwell) and 3741 UKHO SCC: 5607.9 and 5607.11 (Panel A, River Blackwater, Bradwell to Maldon) Imray Full charts: Y17A Imray Leisure Folios 2000.6. Emendation to the lights on the baffle wall off the closed Nuclear Power Station. One red light on the wall and a lit red buoy just upstream of the wall.
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Week 26 |
ENGLAND - Insert: at 51° 37´·29N., 0° 50´·51E. Notice 2975 refers Base image courtesy of Imray ID10 Chart Y17 and Meridian Chartware. |
Affects: UKHO SNC: 3750 UKHO SCC: 5607.12 (Panel A, Rivers Crouch and Roach) Imray Full Charts: Y17B Imray Leisure Folios 2000.9 New ‘ship’s’ mooring in the River Crouch, north side near the ship’s turning circle area off Burnham Wick. As it is unlit, probably worth noting. Image.
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Week 23 |
ENGLAND - Insert: at 51° 47´·97N., 1° 19´·87E. Notice 2559 refers Base image courtesy of Imray ID10 Chart C1 and Meridian Chartware. |
Affects: UKHO SNC: 1183 and 1975. UKHO SCC: 5607.4 and 5607.2 Imray Full Charts: C1 Imray Leisure Folios 2000.1 Continuation of new issues in the Wallet from Northern Wind extensive survey in the winter of 2023/24. This a wreck with over 8m so unlikely to hinder leisure craft – but might be a popular place for a pot! Midway between Wallets Nos ½ and ¾.
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Week 21 |
ENGLAND - Insert depth, 3 at 51° 45´·81N., 1° 09´·39E. depth, 4.5, and extend 5m contour SE to enclose 51° 45´·93N., 1° 09´·79E. depth, 5.5 at 51° 46´·52N., 1° 12´·13E. Delete depth, 8, close SW. depth, 5.4 at 51° 46´·56N., 1° 11´·64E. depth, 6.3 at 51° 46´·90N., 1° 12´·31E. Delete depth, 7.1, close S. Replace: depth, 7.6, with depth, 6.6 at 51° 45´·92N., 1° 10´·27E. Notice 2230 refers Base image courtesy of Imray ID10 Chart C1 and Meridian Chartware.
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Affects: UKHO SNC: 1183 and 1975. UKHO SCC: 5607.3, 5607.4 and 5607.2 Imray Full Charts: C1 Imray Leisure Folios 2000.1 Six reductions of depth north of the Wallet off Clacton-
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Week 10 |
ENGLAND - Insert: Raysand North at 51° 40´·81N., 1° 00´·57E. Raysand at 51° 39´·84N., 1° 00´·57E. Delete: Raysand at 51° 39´·08N., 0° 59´·28E. Raysand Middle at 51° 40´·00N., 0° 59´·00E. Raysand North at 51° 40´·70N., 0° 59´·50E. Notice 1083 refers Base image courtesy of Imray ID10 Chart Y9 and Meridian Chartware.
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Affects: UKHO SNC: 1975 and 3750. UKHO SCC: 5606.6. Imray Full Charts: Y17B Imray Leisure Folios 2000.8 Note: Former Notice 1319(T)/23 is cancelled. This Notice is catching up with the changes of buoyage at the Ray Sand which occurred in 2023 as a result of surveys. The previous two Safe Water Buoys – the Raysand North and Raysand Middle are removed completely. A new unlit yellow buoy – The Raysand North is placed quite well to the East and the unlit round yellow Ray Sand buoy is moved to match the same longitude meridian. There is a CTTE download at on the Download page which provides the detailed chartlet with has had the correct buoyage since July last year. By all means use the free download. Use the 1° meridian to find the best water north of the Ray Sand between the River Blackwater and the Ray Sand. There are plans for a new edition of UKHO Chart 1975 Thames Estuary – Northern Part in the summer this year which should bring the contours up to date. As of today Navionics have placed the Ray Sand in the right place, have deleted the Raysand Middle, kept the Safe Water coloured Raysand North in the (wrong) old position and the Buxey Beacon in the wrong position. It tends to be handy to know where you are if you use Navionics. C-
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Week 51 |
ENGLAND - Insert : at 51° 41´·88N., 1° 18´·93E. Replace: depth, 11.9, with depth, 11.8 at 51° 41´·24N., 1° 17´·59E. Notice 4832 refers Base image courtesy of Imray ID10 Chart IN5043 and Meridian Chartware. |
Affects: UKHO SNC: 1183 and 1975 UKHO SCC: 5606.6 and 5607.2 Imray Full Charts: C1 Imray Leisure Folios: 2000.1 One new wreck and one new depth in the Barrow Deep. Both will be unlikely to hinder any leisure craft but note that the wreck is in the corner of the Barrow Deep Anchorage!
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Week 46 |
New Editions of ADMIRALTY Small Craft Charts to be published on 30th November, 2023 SCC 5606.4 Gull Stream to Princes Channel. 1:50,000 SCC 5606.5 Princes Channel to Medway Approach Channel. 1:50,000 SCC 5606.6 Whitaker Channel to West Swin. 1:50,000 |
Includes full updates for New Edition and Notices to Mariners affecting source charts. |
Week 38 |
New Editions of ADMIRALTY Small Craft Charts to be published on 5th October, 2023 SCC 5607.3 Outer Approaches to the River Blackwater 1:50,000 SCC 5607.4 Southern Approaches to Harwich 1:50,000 |
Includes full updates for New Edition and Notices to Mariners affecting source charts. |
Week 37 |
ENGLAND - The following light- Characteristic Designation Position Fl.Y.10s Swallowtail No 2 51° 40´·84N., 1° 04´·39E. Fl(2)Y.10s Swallowtail No 3 51° 40´·52N., 1° 03´·45E. Mariners are advised to navigate with caution in the area. Notice 3095(T) refers Base image courtesy of Imray ID10 Charts Y17 and Meridian Chartware. |
Affects: UKHO SNC: 1975 and 3750 UKHO SCC: 5606.6 and 5607.3 Imray Full Charts: Y17B Imray Leisure Charts: 2000.8 The Yellow special Swallowtail buoys Nos 2 and 3 are temporary absent for maintenance. They were removed in June but Crouch HA have not yet announced their return.
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Week 35 |
ENGLAND - A partially submerged wreck exists in position 51° 46´·07N., 0° 53´·85E. Mariners are advised to navigate with caution in the area. Notice 3007(T) refers Base image courtesy of Imray ID10 Charts Y17 and Meridian Chartware. |
Affects: UKHO SNC: 3741. UKHO SCC: 5607.9 Imray Full Charts: Y17A Imray Leisure Charts: 2000.6 This Temporary Notice is marking the position of the sunken ketch on a mooring in Mersea Quarters, River Blackwater. The ketch is obvious in clear daylight as the masts are exposed. The ketch is NOT lit. It is understood removal was delayed because of weather conditions but will be re-
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Week 33 |
ENGLAND - Amend: designation of buoy to, No 15 at 51° 37´·57N., 0° 47´·09E. Notice 2739 refers Base image courtesy of Imray ID10 Charts Y18 and Meridian Chartware. |
Affects: UKHO SNC: 3750 UKHO SCC: 5607.12 (Panel A, Rivers Crouch and Roach) Imray Full Charts: Y18 Imray Leisure Charts: 2000.9 A correction of designation of the SHB in the River Crouch off Creeksea. The designation is No 15 which is already correct on the Imray chart image shown.
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Week 31 |
ENGLAND - Note: Former Notice 3682(T)/22 is cancelled. Insert Wk at 51° 44´·67N., 1° 02´·18E. Notice 2607 refers Base image courtesy of Imray ID10 Charts Y17 and Meridian Chartware. |
Affects: UKHO SNC: 3741. UKHO SCC: 5607.9 and 5607.3 Imray Full Charts: Y17 and C1 Imray Leisure Charts: 2000.7 This notice updates the temporary notice 3682(T) of last year which reported a dangerous wreck close by the Colne Bar SHB. The wreck is downgraded from ‘dangerous’ to an ‘8.4m Wk’.
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Week 26 |
New Editions of ADMIRALTY Charts to be published 13 July 2023 SNC 1975 England - |
Includes changes to depths from the latest Port of London Authority and Trinity House surveys. |
Week 23 |
ENGLAND - Move: Mo(A) 15s Woodbridge Haven, from: 51° 57´·99N., 1° 23´·63E. to: 51° 58´·24N., 1° 23´·86E. Delete: legend, Buoyed, centred on: 51° 58´·22N., 1° 23´·35E. Notice 1918 refers |
Affects: UKHO SNC: 2052 and 2693. UKHO SCC: 5607.6 (Panel A, Approaches to Harwich and Woodbridge Haven) and 5607.5. Imray Full Charts: Y16 Imray Leisure Charts: 2000.3 This Notice is confirmation of the notice by Trinity House NtM No 13 of 2023 and updating UKHO charts for the move of the Woodbridge Haven Safe Water buoy. The position is as announced by East Coast Pilot using their download. The download button on the left will go to the East Coast Pilot link. |
Week 21 |
New Editions of ADMIRALTY Small Craft Charts to be published on 8th June, 2023 SCC 5607.12 A Rivers Crouch and Roach. 1:25,000 B Continuation of the River Roach. 1:25,000 SCC 5607.13 Continuation of River Crouch. A Continuation of River Crouch. 1:25,000 B Burnham- C Entrance to Walton Backwaters. 1:12,500 D Continuation to Battlesbridge. 1:25,000 |
Includes full updates for New Edition and Notices to Mariners affecting source charts. |
Week 15 |
ENGLAND - The pillar buoy (The Ray Sand North), in position 51° 40´·70N., 0° 59´·50E. is reported off station. Mariners are advised to navigate with caution in the area. Notice 1319(T) refers Base image courtesy of Imray ID10 Chart Y17B and Meridian Chartware. |
Affects: UKHO SNC: 1975 and 3750 UKHO SCC: 5606.6 and 5607.3 Imray Full Charts: Y17B Imray Leisure Folios: 2000.8 This Notice is confirming the local Notice from the Crouch Harbour Authority that the Ray Sand North Safe Water buoy went off station. I believe the buoy will be replaced in a different position in due course.
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Week 14 |
New Editions of ADMIRALTY Small Craft Charts to be published on 20th April, 2023 SCC 5606.6 Whitaker Channel to West Swin. 1:50,000 SCC 5607.3 Outer Approaches to the River Blackwater. 1:50,000 SCC 5607.4 Southern Approaches to Harwich. 1:50,000 SCC 5607.5 Harwich to Orford Ness. 1:50,000 |
Includes full updates for New Edition and Notices to Mariners affecting all source charts. |
Week 10 |
ENGLAND - The following lateral buoys are reported to be off station: Characteristic Designation Position Fl.R.10s Outer Crouch No 4 51° 38’·00 N., 0° 58’·00 E. Fl(2)R.5s Whitaker No 4 51° 39´·77N., 1° 03´·43E. Mariners are advised to navigate with caution in the area. (ETRS89 DATUM) Notice 866(T) refers |
Affects: UKHO SNC: 1975 and 3750 UKHO SCC: 5606.6 and 5607.3 Imray Full Charts: Y17B Imray Leisure Folios: 2000.8 Confirmation of the temporary notice by the Crouch Harbour Authority that the Outer Crouch No 4 and the Whitaker No 4 are off station. No image considered necessary. |
Week 8 |
New Editions of ADMIRALTY Charts to be published on 9th March, 2023 Chart 3750 England - A Burnham- B Continuation of River Crouch. 1:25,000 |
Includes changes to depths from the latest Port of London and commercial surveys and buoyage. |
Week 8 |
ENGLAND - Insert depth, 0.2, enclosed by 2m contour at 51° 41´·30N., 1° 00´·80E. Delete depth, 2.2, close NW. drying height,2.8 at 51° 40´·28N., 0° 57´·62E. Delete drying height, 1.8, close E. drying height,2.2 at 51° 40´·60N., 0° 58´·24E. Delete drying height, 0.8, close SW. drying height,1.6 at 51° 40´·98N., 0° 58´·95E. drying height, 0.9, enclosed by 0m low water line at 51° 41´·00N., 0° 59´·54E. Delete depth, 0.9, close NW. drying height, 0.6, enclosed by 0m low water line 51° 41´·05N., 1° 00´·51E. drying height, 1.6, and extend 0m low water line W to enclose 51° 40´·02N., 0° 59´·10E. drying height, 2.6 at 51° 38´·93N., 0° 58´·80E. Notice 667 refers Base image courtesy of Imray ID10 Chart IN5043 and Meridian Chartware.
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Affects: UKHO SNC: 3741 and 3750 (Note: This update is included in New Edition 1975, published 19 January 2023. UKHO SCC: 5606.6 and 5607.3 Imray Full Charts: C1 Imray Leisure Folios: 2000.8 8 reductions of depth on the Ray Sand. Note that the warning ‘Less Water 2021’ is no longer displayed on the primary chart (chart 1975). Do NOT rely on Navionics or C-
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Week 4 |
New Editions of ADMIRALTY Standard National Charts on 9th February, 2023 Chart 1183 - |
Includes changes to depths from the latest British Government and Port of London Authority Surveys. |
Week 4 |
ENGLAND - Note: This update is included in New Edition 1975, published 19 January 2023. Chart 3750 Insert: the accompanying block, centred on: 51° 39´·8N., 1° 01´·6E. depth, 3.7 at 51° 37´·65N., 0° 56´·51E. Delete depth, 4.1, close NE. SCC Charts Insert: obstruction out of position, Obstn at 51° 39´·06N., 1° 00´·23E. depth, 3.6, and extend 5m contour N to enclose 51° 39´·11N., 1° 00´·68E. depth, 3.7, and extend 5m contour N to enclose 51° 39´·12N., 1° 01´·11E. Delete depth, 5.3, close NW. depth, 3.6, and extend 5m contour SE to enclose 51° 39´·30N., 1° 01´·34E. depth, 3.9, and extend 5m contour SE to enclose 51° 39´·91N., 1° 02´·35E. Delete depth, 7.2, close SE depth, 3.1 at 51° 39´·99N., 1° 02´·68E. Delete depth, 3.7, close NE. depth, 2.8 at 51° 40´·33N., 1° 03´·22E. Delete depth, 3.6, close NE. depth, 3.7 at 51° 37´·65N., 0° 56´·51E. Delete depth, 4.1, close NE. Notice 317 refers Base image courtesy of Imray ID10 Charts IN5037, Y17 and Meridian Chartware. |
Affects: UKHO SNC: 3750 UKHO SCC: 5606.6, 5607.3 and 5607.12 Imray Full Charts: Y17B and C1 Imray Leisure Folios: 2000.8 There is a new UKHO block covering the west tail of the Swallowtail and the Whitaker Channel of the Crouch around the Sunken Buxey. The new depths are courtesy of a Port of London Authority survey last year. The block is for the full SNC UKHO chart and there are a series of 6 depth changes and a new obstn for the SCC charts (which doesn’t get a new block). In case you want to plot the individual changes I have marked up the changes using the jpg image. If you click on the jpg you can download it. Also, of course, you can download the UKHO block as a pdf via the button. Note that out of view of the UKHO block there is a new depth close west of the Crouch NCB. Note also the UKHO block incorporates the removal of that yellow special mark just north of the Sunken Buxey and the re-
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Week 3 |
New Editions of ADMIRALTY Small Craft Charts on 2nd February, 2023 SCC 5607.9 Approaches to Mersea Island and Brightlingsea. 1:25,000 SCC5607.10 Harbours on the East Coast. A River Colne. 1:25,000 B Colchester Quays. 1:12,500 C Brightlingsea. 1:12,500 D West Mersea. 1:12,500 |
Includes full updates for New Edition and Notices to Mariners affecting source charts. Includes full updates for New Edition and Notices to Mariners affecting source charts. |
Week 3 |
ENGLAND - Note: This update is included in New Edition 1975, published 19 January 2023. Delete: Fl(5)Y at 51° 39´·83N., 1° 01´·56E. Notice 228 refers Base image courtesy of Imray ID10 Chart Y18 and Meridian Chartware.
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Affects: UKHO SNC: 3750 and 1975 UKHO SCC: 5606.6 and 5607.3 Imray Full Charts: Y18B Imray Leisure Folios: 2000.8 The yellow special buoy west of the Swallowtail in the Outer Crouch is now removed permanently (as previous notified by CHA at the end of last year. The image includes the 2022 revised position of the Swallowtail West cardinal buoy.
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