Carte Royaume-Uni, Irlande et Le Canal-4D

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C-MAP

M-EW-D226-MS

Map of the United Kingdom, Ireland and the 4D Channel

Designed for precise navigation, the C-MAP 4D United Kingdom, Ireland and Canal (M-EW-D226-MS) chart offers vector data, high-resolution bathymetry (HRB) and 3D views. This digital chart also includes satellite overlays and Easy Routing features for secure planning. The chart is supplied on an SD card.

Retail priceBenefit from the professional rate

$182.08 USD

$182.08 USD ~~$248.53 USD~~

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In stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Chart format	Vector, Raster, 2D, 3D
Coverage region	Europe
Coverage area	United Kingdom, Ireland and the English Channel
Device compatibility	Chartplotters Lowrance, Simrad, B&G (Navico Group)
Chart compatibility	C-MAP 4D
Delivery format	SD / microSD card
Activation method	Direct insertion of the SD card into a compatible chartplotter
Subscription duration	Perpetual license for the purchased version
Update policy	Free updates for 12 months after registration, then available via paid subscription
Max devices	One device at a time (physical card)
Offline use	Yes, the mapping data is stored on the SD card and works offline after installation on a compatible chartplotter.
Content type	Full vector charts, dynamic raster charts, 2D/3D view, high-resolution satellite imagery, high-resolution bathymetry (HRB), easy routing (Easy Routing), tides and currents, customizable depth shading, detailed marina plans, aerial photos, Guardian alarms, sport fishing data.
Supported languages	More than 140 languages
Card Physical Type	SD card / microSD card
Chart data source	Official hydrographic offices
Data Overlay Support	Yes
Display Mode Day Night Support	Yes
Geodetic Datum	WGS84
Map Data Information	Accurate and up-to-date data
Adaptabilité à l'environnement marin	Yes
Poids emballé	0.032
Zone d'application du produit	Coastal and offshore waters
Product Material Card	Plastic
Product use	Navigation, route planning, sport fishing
Product range	4D
Product type	Electronic navigation chart
Sd Card Capacity Gb	32
Sd Card Speed Class	Class 10

Detailed description

Designed for demanding sailors, the C-MAP 4D United Kingdom, Ireland and Channel (M-EW-D226-MS) is an advanced electronic charting solution, delivered on an SD card. This extended-area charting integrates precise, up-to-date data from official hydrographic offices, covering the United Kingdom, Ireland, and the English Channel in detail.

Advanced navigation features

The C-MAP 4D chart combines comprehensive, customizable vector charts with dynamic raster maps, offering a traditional "paper chart" display while providing detailed information on buoys, lights, and other navigation elements. It supports 2D or 3D chart views, enhancing situational awareness. Multilingual support ensures text display in over 140 languages, including English and local languages.

Safety and performance optimization

A high-resolution bathymetry (HRB) layer is integrated, displaying precise contour lines—often down to 30 centimeters—to identify shallow areas, drop-offs, and underwater structures, a boon for sport fishing. The Easy Routing function automatically plans the shortest and safest route based on chart data and vessel information, identifying potential hazards. Tide and current forecasts, customizable depth shading, and detailed marina layouts complete these planning tools. The Guardian Alarm system adds extra security by automatically checking for obstacles such as rocks and shoals.

Integration and specific data

C-MAP 4D charting stands out with its integration of high-resolution satellite imagery and thousands of aerial photos of marinas, harbors, and coves, providing a realistic visual reference for coastal navigation. For anglers, specific data includes wreck and reef information, fish identification photos, fishing tips, and regulations. C-MAP 4D charts benefit from continuous updates, ensuring current data for reliable navigation. Compared to more basic charting, this 4D version offers layered information overlays and richer decision-support features, positioning it as an option for users seeking a level of detail and assistance beyond standard vector charts.

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis: C-MAP 4D for advanced coastal navigation »

The C-MAP 4D chart for the United Kingdom, Ireland, and the English Channel is an advanced digital mapping solution, particularly relevant for coastal navigators, cruisers, and sport fishermen operating in this area. Its 4D format goes beyond standard vector charts by integrating multiple data layers for better understanding of the marine environment.

The main advantage of this mapping lies in the integration of high-resolution bathymetry (HRB), providing seabed details down to 30 centimeters. This feature is crucial for fishing, allowing precise identification of underwater structures and depth changes that attract fish. For coastal navigation, satellite image overlays and thousands of aerial photos of ports and coves provide valuable visual assistance, complementing traditional vector data and facilitating recognition of landmarks.

The Easy Routing feature, often without additional subscription, simplifies route planning by offering optimized and safe routes, taking into account drafts and potential hazards. The Guardian Alarm system adds a layer of preventive security, particularly useful in high-traffic areas or complex passages.

Installing this chart is straightforward, requiring only insertion of the SD card into a compatible C-MAP 4D chartplotter (such as those from B&G, Lowrance, or Simrad). It is essential to ensure compatibility of the onboard hardware to fully utilize all 4D features. While continuous data updates are a major asset for reliability, it is important to check subscription or renewal terms after the initial period.

Compared to more basic offerings, the C-MAP 4D stands out for its wealth of data and decision-support tools. It should be chosen when the need for detailed bathymetric data, real imagery, and intelligent routing features outweighs the requirements of purely vector mapping.

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Map of the United Kingdom, Ireland and the 4D Channel

$182.08 USD

$182.08 USD ~~$248.53 USD~~

Frequently Asked Questions

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What is the geographical area covered by this C-MAP 4D chart?

This C-MAP 4D chart provides extended coverage including the United Kingdom, Ireland, and the English Channel (La Manche). It is designed to deliver detailed data for these maritime regions.

Under what physical format is this C-MAP 4D chart supplied?

The C-MAP 4D United Kingdom, Ireland and Canal chart is supplied on a physical SD card. It is not a digital download.

What is C-MAP 4D technology and what are its advantages?

C-MAP 4D technology combines comprehensive, customizable vector charts with dynamic raster charts, providing a hybrid visualization. Its advantages include:

Accurate, up-to-date data from official hydrographic offices.The ability to view charts in 2D or 3D modes.Advanced features such as high-resolution bathymetry, Easy Routing, and tide and current forecasts.

What are the main features offered by this chart?

This C-MAP 4D chart offers a full range of navigation features, including:

Vector and raster charts.2D and 3D visualization.High-resolution bathymetry (HRB).Easy Routing for route planning.Tide and current forecasts.Customizable depth shading.Detailed marina plans.Guardian Alarm system.Multilingual support.

Does this chart include tide and current predictions?

Yes, the C-MAP 4D UK, Ireland and Channel chart includes tide and current predictions, which is essential for navigation planning and safety at sea.

Is it possible to customize the depth display on the chart?

Yes, this C-MAP 4D chart allows customizable depth shading. This lets you adjust the display of bathymetric data according to your preferences or the specific needs of your navigation.

Is the Easy Routing feature available with this chart?

Yes, the Easy Routing feature is included. It automatically plans the shortest and safest route based on chart data and your vessel’s information, while identifying potential hazards.

What is high-resolution bathymetry (HRB) and what level of detail does it provide?

High-resolution bathymetry (HRB) is an integrated data layer that displays precise contour lines of the seabed. It often provides details down to 30 centimeters, allowing identification of shallow areas, drop-offs, and underwater structures, which is particularly useful for sport fishing and navigation in complex zones.

Does the chart provide detailed plans of marinas?

Yes, this C-MAP 4D chart includes detailed marina plans, making harbour approaches and docking manoeuvres easier.

In how many languages are the C-MAP 4D chart data available?

The C-MAP 4D chart’s multilingual support displays text in over 140 languages, including English and local languages for all covered regions.

Does the C-MAP 4D chart combine vector and raster maps?

Yes, the C-MAP 4D chart integrates both complete customizable vector charts and dynamic raster charts, providing a traditional "paper chart" display with the flexibility of vector data.

Can the chart be displayed in 2D and 3D modes?

Yes, the C-MAP 4D chart allows chart display in 2D or 3D modes, which enhances situational awareness and understanding of the marine environment.

What is the role of the Guardian Alarm system integrated into the chartplotter?

The Guardian Alarm system is an additional safety tool integrated into the chartplotter. It is designed to alert the navigator to potential hazards or situations requiring attention, thereby contributing to safer navigation.

Are the chart data based on official sources?

Yes, the data in this chartplotter are sourced from official hydrographic offices, ensuring accuracy and reliability for navigation.

Which chartplotter models are compatible with this C-MAP 4D card?

C-MAP 4D cards are generally compatible with a wide range of modern chartplotters, notably those from Navico brands such as Lowrance, Simrad, and B&G. It is always recommended to verify specific compatibility with your chartplotter model on the manufacturer's website or in your device's user manual.

Is the card compatible with standard SD card readers or does it require specific equipment?

Although the card is in SD format, it is intended to be used with C-MAP 4D-compatible marine chartplotters. It will not work as a standard storage card in a generic SD card reader for computers or other non-marine devices.

Is a software update for my chartplotter required to use this chart?

To ensure optimal performance and full compatibility with the latest features of the C-MAP 4D chart, it is often recommended to verify that your chartplotter’s software is updated to the most recent version provided by your device manufacturer.

How do you install a C-MAP 4D card in a chartplotter?

Installation is usually straightforward:

Turn off your chartplotter.Insert the C-MAP 4D SD card into the appropriate card slot of your device.Turn your chartplotter back on.The system should automatically recognize the new card and allow you to access the chart data.For detailed instructions, please refer to your chartplotter’s user manual.

Are the chart data regularly updated?

Yes, C-MAP 4D charts are based on accurate and up-to-date data from official hydrographic offices. The product description mentions a "2025 Q2 Tariff", indicating regular updates of chart information.

Do I receive a physical product or a digital download?

You will receive a physical product in the form of an SD card. This card contains all the chart data for the United Kingdom, Ireland, and the English Channel.