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How to create Passage Plan using ECDIS

Writer's picture: AdminAdmin

Updated: Jan 5

Are you a maritime professional aiming to enhance your voyage planning with Electronic Chart Display and Information System (ECDIS)? With over 90% of maritime professionals now proficient in ECDIS usage, learning to create a passage plan is crucial. But, where do you start?


A ship's ECDIS on the bridge
Advanced Electronic Chart Display and Information System (ECDIS) on a ship's bridge, showcasing navigational maps and data for seamless maritime navigation.

Creating a passage plan with ECDIS adheres to the same principles as traditional methods: appraisal, planning, execution, and monitoring. Yet, it leverages ECDIS's advanced features to boost safety, efficiency, and compliance with maritime laws.


To craft an effective passage plan with ECDIS, it's vital to keep the software updated and be aware of any anomalies. Ensure that all necessary Electronic Navigational Charts (ENCs), publications, and licenses are current. Also, know your ship's specific details, like draft, dimensions, and turn radius, for precise planning.


The ECDIS passage planning process mirrors traditional paper chart navigation, with seven key elements. Creating a route involves clicking waypoints on the graphical editor. Passage plans typically include waypoints with up to three decimal places. The route check function on ECDIS ensures the route is safe for navigation.


Key Takeaways

  • Ensure ECDIS software is up-to-date and relevant ENCs, publications, and licenses are available and current.

  • Familiarize yourself with ship-specific characteristics for accurate planning.

  • The passage planning process on ECDIS involves seven distinct elements.

  • User interaction with ECDIS for route creation involves clicking waypoints on the graphical editor.

  • The route check function on ECDIS verifies the passage route for navigation safety.


Understanding the Importance of Passage Planning with ECDIS

Effective passage planning with Electronic Chart Display and Information System (ECDIS) is crucial for safe navigation and adherence to maritime laws. With oceangoing trade making up nearly all international trade, reducing navigation errors is vital. ECDIS aids in planning voyages, reducing human mistakes, and enhancing team understanding.


Pinned Waypoints on a paper map
Pins marking strategic waypoints on a detailed navigation chart of Southeast Asia.

Ensuring Safe Navigation

The passage planning process consists of four stages: appraisal, planning, execution, and monitoring. This systematic method is essential for safe navigation. During planning, factors such as the marine environment, local regulations, weather conditions, and company policies must be taken into account.


The captain holds the ultimate responsibility for correct passage planning but often assigns this task to Navigational Officers skilled in ECDIS. The planning should encompass the entire journey, from leaving the dock to completing mooring.


Compliance with Maritime Regulations

Officers must receive ECDIS training under the STCW convention to meet maritime regulations. The vessel's Safety Management System (SMS) should detail the company's procedures for proper ECDIS voyage planning. The Master must outline ECDIS safe use in standing orders, too.


Proper ECDIS certification and ECDIS training of Bridge Officers are paramount for safe boyage planning.


A navigation officer attentively charts a course using the Electronic Chart Display and Information System (ECDIS) aboard a modern ship.
A navigation officer attentively charts a course using the Electronic Chart Display and Information System (ECDIS) aboard a modern ship.

Familiarizing Yourself with ECDIS Equipment and Features

Firstly, to effectively utilize ECDIS equipment for passage planning, it's crucial to grasp its features and capabilities. ECDIS combines tools like Electronic Navigational Charts (ENC), GPS, radar, echo sounder, AIS, and NAVTEX.


Understanding ECDIS features is key. Note the north up/heads up display, radar overlay, and customizable electronic chart display. Yet, be mindful of the risks from incorrect use. ECDIS provides quick access to weather charts, tidal data, and pre-warning alarms for hazards. It also streamlines record-keeping and reduces chart correction and planning time compared to paper charts.


Gathering Necessary Information for Passage Planning

The next step is to gather all necessary information. This ensures a safe and efficient voyage. You need to consult nautical publications, review notices to mariners, and consider weather and tidal conditions. Additionally, assess the ship's characteristics and cargo requirements.


Consulting Nautical Publications and Notices to Mariners

Navigators must consult a variety of nautical publications during the appraisal stage. Tide tables and the Tidal Stream Atlas are also key for passage planning.


Notices to mariners, including weekly, annual, and cumulative notices, offer vital updates on navigational hazards. Ships Routeing details traffic separation schemes and deep water routes. The Admiralty Distance Tables help calculate distances between ports.


Considering Weather Conditions and Tidal Information

Weather and tidal conditions are crucial in passage planning. Navigators must review weather forecasts for wind speed, sea state, and visibility. Tidal information, like high and low water times, is essential for safe passage and fuel efficiency.


Reviewing Ship's Characteristics and Cargo Requirements

The ship's draft, dimensions, and turning radius are key in passage planning. Cargo requirements, including type and quantity, also impact the plan. Navigators must ensure the vessel stays within safe limits and cargo is secure.


A digital ECDIS (Electronic Chart Display and Information System) interface displaying a complex passage plan with various navigational elements, including routes, waypoints, and safety zones
The ECDIS backup system on a ship's bridge displays detailed navigational charts, ensuring safe and efficient maritime operations.

Conducting the Appraisal Stage

The appraisal stage is a crucial part of passage planning with an Electronic Chart Display and Information System (ECDIS). It involves collecting all necessary information and evaluating potential risks and critical areas along the planned route. The appraisal stage is the initial step in the voyage planning process, followed by planning, execution, and monitoring.


Assessing ENC Coverage and Updating Charts

Navigators must ensure the vessel has sufficient Electronic Navigational Chart (ENC) coverage for the voyage. They need to review available charts and update them with the latest corrections and amendments. Neglecting to update charts can result in navigational errors and potential hazards.


Navigators should consult various sources during the appraisal stage, including:

  • Nautical charts

  • Tide and current prediction tables

  • Weather forecasting tools

  • Sailing Directions

  • Notices to Mariners


The appraisal stage is a vital opportunity for navigators to gather and analyze all relevant information, setting the foundation for a well-executed passage plan.

Executing the Planning Stage in ECDIS

The planning stage is a critical phase in the passage planning process with ECDIS. It involves setting up the initial route, defining safety parameters and alarm limits, and inputting waypoints and course notes. Additionally, route checks and optimization are performed. Navigating officers should use the largest scale possible for planning to identify all chart features.


Creating the Initial Route

When planning the initial route, sufficient cross-track error must be considered for deviations due to collision avoidance or currents. The route plan must also account for safety contour and depth alarms. Navigating officers should use waypoints, check safety domain parameters, and consider all charted features relevant to the passage.


Setting Safety Parameters and Alarm Limits

ECDIS requires setting safety contours to distinguish between 'safe' and 'unsafe' waters. This guides the route planning process to avoid hazards effectively. Safety contours should be established based on safety depth, considering maximum draft, UKC, squat, and height of tide for accurate alarm triggers. Alarms should be set during passage planning and activated after the Master's review, with critical alarms like crossing safety contours or depths kept activated at all times.



Inputting Waypoints and Course Notes

When inputting waypoints and course notes, navigating officers should consider date-dependent features on ENC for future occurrences. Depth considerations and UKC information through CATZOC should also be accounted for in the passage planning. Electronic charts should be marked with various navigational aids, including:

  • Parallel index lines

  • No-go areas

  • Landfall targets

  • Safe speeds

  • Clearing lines

  • Tides/currents

  • Other necessary notifications


Performing Route Checks and Optimization

Route checks and optimization are essential for the safety of the planned passage. Navigating officers should carefully zoom and scroll through detailed route checking to avoid errors due to the small screen size on ECDIS. Every planned passage plan should be saved in both primary and secondary ECDIS systems for redundancy in case of equipment failure, emphasizing the importance of backup plans for navigation safety.


Backup ECDIS screen displaying a nautical chart on a ship's bridge, highlighting navigational routes and key locations.
Backup ECDIS screen displaying a nautical chart on a ship's bridge, highlighting navigational routes and key locations.

Incorporating Additional ECDIS Features into Passage Planning

When using ECDIS for passage planning, it's crucial to include extra features for better safety and efficiency. Features like parallel indexing, no-go areas, and wheel-over positions offer vital support to the bridge team. They ensure a smooth and safe journey.


Utilizing Parallel Indexing and No-Go Areas

Parallel indexing in ECDIS is a powerful tool for creating parallel lines near the planned route. It's especially useful in tight spaces or areas with many hazards. This feature helps the bridge team quickly spot any deviations and correct them.

No-go areas are another key feature in ECDIS. They allow navigators to mark off-limits zones on the chart. These might include shallow waters, obstacles, or restricted areas. By defining these areas, the risk of grounding or collision drops, as the ECDIS will alert the crew if the vessel gets too close.


Marking Wheel-Over Positions

Wheel-over positions show exactly where the vessel must turn to avoid obstacles or navigate safely. By marking these points on the ECDIS, navigators can plan course changes ahead of time. This is especially helpful in complex traffic areas or where visibility is poor.


ECDIS overlays, like the anti-grounding cone, add an extra layer of safety. They visually show the vessel's path and potential hazards. With these overlays and look-ahead alarms, the bridge team has time to make safe decisions.

  • ECDIS enhances navigational efficiency by continuously updating data, reducing hazard risks.

  • ECDIS improves route planning, suggesting the best routes based on traffic, weather, and obstacles. This saves time and fuel.

  • ECDIS minimizes human errors by automating processes and alerting for hazards like grounding and collision.


Verifying and Approving the Passage Plan

After creating a detailed passage plan with ECDIS, a thorough verification and approval process is essential. This step involves both visual checks and ECDIS plan scanning to spot any issues. It's crucial for ensuring the plan's accuracy and safety.


The Master, responsible for the vessel's safe navigation, oversees this process & has the ultimate responsibility.


Visual checks include examining the route, waypoints, and related data. The Master looks for any errors, such as wrong positions or insufficient safety margins. They also review the safety contour settings and "No-Go" areas indicated by ECDIS.


The ECDIS plan scanning function is also key. It automatically scans the plan for errors. The system checks various parameters, like draft and air draft limits, navigation corridor, and safety margins.

  • Compliance with the vessel's draft and air draft limitations

  • Adherence to the planned navigation corridor and safety margins

  • Proper placement of waypoints and course alteration points

  • Adequate under keel clearance throughout the voyage

  • Consideration of tidal information and weather conditions


The development and execution of a passage plan heavily relies on the ECDIS due to its facilitation of selecting saved routes, elaborating new ones, modifying routes efficiently, and performing accurate measurements and calculations automatically.

Using the ECDIS plan scanning function helps the Master quickly find and fix any issues. This technology improves the approval process's efficiency and accuracy. It also reduces the risk of human error, which causes 80% of marine accidents.


Passage Plan Verification Steps

Description

Visual Verification

Comprehensive examination of the planned route, waypoints, and associated information by the Master

ECDIS Plan Scanning

Automatic scanning of the passage plan for errors and inconsistencies using ECDIS technology

Compliance Check

Ensuring adherence to vessel's draft, air draft limitations, navigation corridor, and safety margins

Waypoint and Course Review

Verifying proper placement of waypoints and course alteration points

Under Keel Clearance Assessment

Confirming adequate under keel clearance throughout the voyage

Environmental Factors Consideration

Incorporating tidal information and weather conditions into the passage plan review


After reviewing and addressing any issues, the Master approves the passage plan.


Executing the Passage Plan with ECDIS

After the passage plan is finalized and approved, it's time to put it into action with the Electronic Chart Display and Information System (ECDIS). The execution phase requires monitoring the ship's position and adjusting display settings for better situational awareness. It also involves responding quickly to any ECDIS alarms or warnings.


When executing the passage plan, the navigational officer must keep a close eye on the ship's position. This involves cross-checking the vessel's location using visual bearings, radar fixes, and GPS coordinates. By comparing these with the planned route on the ECDIS, the officer ensures the ship stays on course and within safe limits.


Adjusting Display Settings for Optimal Situational Awareness

To maintain optimal situational awareness, adjusting the ECDIS display settings is crucial. This includes choosing the right chart scale and ensuring layers like depth contours and navigation marks are visible. It's also important to configure the display to show essential information like the ship's heading, speed, and course over ground.


A digital screen displaying an ECDIS interface, showcasing overlays such as contour lines, weather patterns, and navigational hazards
A high-tech maritime navigation dashboard displays an Electronic Chart Display and Information System (ECDIS), highlighting intricate sea route maps and navigational data in a modern ship's bridge illuminated by ambient blue lighting.

Responding to ECDIS Alarms and Warnings

Throughout the passage execution, the ECDIS will alert the navigational team to potential hazards or deviations. These alerts may include crossing safety contours, approaching no-go areas, deviating from the planned track, or encountering updated chart information.

  • Crossing safety contours

  • Approaching no-go areas

  • Deviating from the planned track

  • Encountering newly updated chart information


The officer on watch must promptly acknowledge and respond to these alarms. This may involve adjusting course or speed, communicating with other vessels, or seeking guidance from the master when necessary.


Best Practices for Passage Monitoring with ECDIS

Effective passage monitoring with ECDIS requires a blend of best practices. These ensure the safety of the vessel and its crew. Key practices include maintaining a proper lookout, cross-checking the ship's position with traditional navigation, and using ECDIS features to enhance situational awareness.


The bridge team must always remain vigilant and alert. They should constantly observe the surroundings and monitor the ECDIS display for hazards or navigational changes. This ensures timely risk identification and mitigation, safeguarding the vessel.


Maintaining a Proper Lookout and Cross-Checking Position

Cross-checking the ship's position is vital. While ECDIS offers accurate positioning, verifying this with traditional methods is crucial. Visual and radar fixing complement ECDIS, preventing over-reliance and ensuring a comprehensive understanding of the vessel's location.


Method

Description

Frequency

Visual Fixing

Using landmarks, lighthouses, or other visual references to determine the ship's position

Every 15-30 minutes, or as needed

Radar Fixing

Utilizing radar ranges and bearings to fixed objects to establish the vessel's position

Every 15-30 minutes, or as needed

Dead Reckoning

Estimating the ship's position based on course, speed, and time elapsed since the last known position

Continuously, with regular updates

A colorful and detailed depiction of an old-style marine navigation map featuring a complex network of seas, bays, and landforms, with intricate coastlines and depth contours highlighted in various shades.
A colorful and detailed depiction of an old-style marine navigation map featuring a complex network of seas, bays, and landforms, with intricate coastlines and depth contours highlighted in various shades.

Integrating Traditional Navigation Techniques

Combining traditional navigation with ECDIS is crucial for effective passage monitoring. Techniques include:

  • Plotting the ship's position on paper charts to maintain a backup and cross-reference with ECDIS

  • Using celestial navigation to determine the vessel's position independently of electronic systems

  • Employing parallel indexing techniques to monitor the ship's distance from hazards or critical areas


The passage plan should cover the entire voyage "berth to berth," ensuring comprehensive planning from departure to mooring.

Conclusion

Creating a detailed passage plan with ECDIS is vital for safe navigation and optimizing voyages. It ensures compliance with maritime laws and prevents accidents.


To effectively use ECDIS for passage planning, navigators must understand its features and gather essential information. They need to consider weather, ship characteristics, and cargo needs. The appraisal and planning stages involve assessing ENC coverage, identifying hazards, and setting safety parameters.


Using ECDIS features like parallel indexing and no-go areas enhances the plan's effectiveness. Once approved, the plan must be executed with care. This includes monitoring the ship's position and adjusting settings for better awareness. It's also crucial to maintain a proper lookout and integrate traditional navigation techniques.


Investing in ECDIS training is essential for its successful implementation. It ensures navigators have the skills to create and execute safe passage plans. By focusing on ECDIS passage planning, the maritime industry can lower accident risks, optimize voyages, and foster a culture of safety and efficiency.


FAQ

What is the importance of passage planning with ECDIS?

Passage planning with ECDIS is vital for safe navigation and adhering to maritime laws. It enables navigators to plan optimal routes, spot potential dangers, and stay alert during the journey.


What are the key stages of passage planning using ECDIS?

Passage planning with ECDIS involves several stages. First, navigators assess ENC coverage and update charts to identify hazards. Next, they create the initial route, set safety parameters, and input waypoints. The execution and monitoring stages ensure safe navigation and response to alarms.


What information is necessary for effective passage planning with ECDIS?

For effective passage planning, navigators need to gather essential information. This includes nautical publications, weather forecasts, tidal data, ship characteristics, and cargo details. This information is crucial for a safe and efficient voyage plan.


How can additional ECDIS features enhance passage planning?

Additional ECDIS features like parallel indexing and no-go areas can improve passage planning. These features help assess dangers and maintain situational awareness, enhancing voyage safety and efficiency.


What are the best practices for passage monitoring with ECDIS?

Effective passage monitoring with ECDIS involves maintaining a lookout and cross-checking the ship's position. Integrating traditional navigation techniques is also key. This approach prevents over-reliance on ECDIS and ensures safe navigation.


What training is required for ECDIS passage planning?

Officers need training in ECDIS use, as mandated by the STCW convention. Familiarity with ECDIS equipment and features is crucial for effective passage planning. The vessel's SMS should include a section outlining correct practices for proper ECDIS voyage planning, and the Master should outline safe ECDIS use in standing orders.


How can ECDIS route optimization improve voyage efficiency?

ECDIS route optimization enhances voyage efficiency by creating cost-effective and safe routes. It considers weather, currents, and vessel performance. Optimized routes reduce fuel consumption, minimize transit times, and improve operational efficiency.


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