Assignment Brief: Ship Collision Analysis – Operational Causes, Environmental Impact, and Liability

Module: Maritime Safety and Environmental Management
Course Code: MSEM401
Level: Undergraduate (Year 3) / Postgraduate (MSc)
Assessment Type: Case Study Report
Contribution to Final Grade: 40%
Word Count: 2,500–3,000 words (excluding references and appendices)
Submission Deadline: Week 8, Friday 23:59 GMT

This assignment requires you to analyse a real or hypothetical ship collision incident, examining the operational causes, environmental consequences, and legal liability frameworks that apply. You will demonstrate your ability to apply international maritime regulations, safety management principles, and environmental protection protocols to a practical scenario. The task mirrors the type of post-incident analysis conducted by marine accident investigators, port state control officers, and maritime legal practitioners. Your report must be structured as a formal investigation document suitable for submission to a maritime regulatory authority or for use in litigation support.

Assignment Context

Ship collisions remain one of the most significant risks in maritime operations, with consequences that extend far beyond vessel damage. The International Maritime Organization (IMO) has identified collisions as a priority area for safety improvement, particularly in congested shipping lanes and environmentally sensitive areas[reference:0]. The International Safety Management (ISM) Code establishes clear obligations for shipping companies to implement safety management systems that prevent such incidents[reference:1]. When collisions occur, they trigger complex legal proceedings under international conventions such as the Collision Regulations (COLREGs) and the International Convention on Civil Liability for Oil Pollution Damage (CLC). This assignment asks you to integrate technical, operational, and legal perspectives to produce a comprehensive analysis.

You will select a collision case from the past five years (2021–2026) or use the provided scenario below. Your analysis must address three interconnected dimensions: the operational and human factors that led to the collision, the environmental damage caused and the adequacy of mitigation measures, and the liability and compensation frameworks that determine legal and financial responsibility.

Learning Outcomes Assessed

1. Critically evaluate the operational and human factors contributing to ship collisions in international shipping.
2. Assess the environmental impact of ship collisions and evaluate the effectiveness of existing mitigation and response mechanisms.
3. Analyse the legal liability frameworks applicable to ship collisions, including the role of international conventions and national legislation.
4. Formulate evidence-based recommendations for improving maritime safety and environmental protection in collision-prone areas.

Task Description

Part A: Case Selection and Background (500–600 words)

Select one of the following options:

Option 1 – Real Incident: Choose a collision that occurred between 2021 and 2026. Examples include the Polesie–Verity collision in the German Bight (October 2023)[reference:2], the Solong–Stena Immaculate collision in the North Sea (March 2025)[reference:3], or the Apache–Serinah collision in the Firth of Clyde (April 2024)[reference:4]. You may also select another incident with sufficient publicly available information.

Option 2 – Hypothetical Scenario: Use the following scenario:

On 15 June 2026, at approximately 02:30 local time, the Liberian-flagged container vessel MV Pacific Star (25,000 GT) collided with the Maltese-flagged chemical tanker MT Chem Voyager (18,500 GT) in the Strait of Malacca, approximately 12 nautical miles off the coast of Singapore. The collision occurred in dense fog with visibility below 200 metres. The Pacific Star was en route from Shanghai to Rotterdam, while the Chem Voyager was carrying 8,500 tonnes of methanol from Jubail to Singapore. The Chem Voyager sustained a breach in its number three cargo tank, releasing approximately 200 tonnes of methanol into the water. Both vessels suffered significant structural damage, and two crew members from the Chem Voyager sustained serious injuries. The Pacific Star had a valid Document of Compliance and Safety Management Certificate, but its passage plan did not account for the fog conditions forecast for that area.

Provide a concise background to your chosen case, including vessel particulars, cargo details, environmental conditions, and the immediate consequences of the collision.

Part B: Operational Causes and Safety Management Analysis (800–900 words)

Analyse the operational causes of the collision using a recognised accident investigation framework such as the Human Factors Analysis and Classification System (HFACS) or the Swiss Cheese Model. Your analysis must address:

• Human factors: decision-making errors, fatigue, communication breakdowns, and situational awareness failures.
• Technical factors: equipment malfunction, navigation system limitations, and vessel design considerations.
• Organisational factors: safety culture, training adequacy, passage planning practices, and compliance with the ISM Code[reference:5].
• Environmental factors: weather conditions, traffic density, and navigational hazards.

Evaluate whether the safety management systems in place were adequate and whether the company and crew complied with their obligations under the ISM Code and SOLAS Chapter V (Safety of Navigation).

Part C: Environmental Impact and Mitigation (500–600 words)

Assess the environmental consequences of the collision, considering:

• The type and quantity of pollutants released (oil, chemicals, or other hazardous substances).
• The immediate and long-term effects on marine ecosystems, including impacts on biodiversity and coastal communities.
• The adequacy of the spill response measures implemented, including the use of dispersants, containment booms, and shoreline cleanup.
• The relevance of international environmental conventions such as MARPOL Annex I (oil) or Annex II (noxious liquid substances), the OPRC Convention (oil spill preparedness and response), and the BWM Convention (ballast water management).

Critically evaluate whether the existing regulatory framework provides sufficient protection against environmental damage from ship collisions, and identify any gaps or weaknesses.

Part D: Liability and Legal Framework (500–600 words)

Analyse the legal liability and compensation issues arising from the collision. Your analysis must cover:

• The applicable collision liability rules under the COLREGs and the relevant national or international maritime law.
• The role of the ISM Code in establishing company liability for safety failures[reference:6].
• The liability and compensation regimes for pollution damage, including the CLC and Fund Conventions (for oil) or the HNS Convention (for hazardous and noxious substances).
• The potential claims that may be brought by affected parties, including cargo owners, vessel owners, injured crew members, and coastal states.
• The limitation of liability provisions under the LLMC Convention 1976 (as amended).

Conclude with an assessment of whether the current legal framework adequately addresses the complexities of collision incidents, particularly those involving hazardous cargoes in environmentally sensitive areas.

Part E: Recommendations and Conclusion (300–400 words)

Formulate a set of practical, evidence-based recommendations aimed at preventing similar incidents and improving the response to collisions when they occur. Your recommendations should address:

• Operational improvements (e.g., enhanced passage planning, bridge resource management, and use of technology).
• Regulatory enhancements (e.g., stricter enforcement of ISM Code requirements, mandatory reporting, and traffic separation schemes).
• Environmental protection measures (e.g., improved spill response capabilities, designation of particularly sensitive sea areas).
• Legal and liability reforms (e.g., clarification of liability rules, increased compensation limits).

Provide a brief conclusion that synthesises your key findings and reflects on the broader implications for maritime safety and environmental governance.

Assessment Criteria and Marking Rubric

Submission Requirements

• Submit as a single PDF or Word document via the university’s learning management system.
• Include a cover page with your name, student ID, course code, and submission date.
• Use 12-point Times New Roman or Arial font, 1.5 line spacing, and 2.5 cm margins.
• Include a table of contents, list of abbreviations, and a reference list (Harvard or APA 7th edition).
• Appendices (if any) should be clearly labelled and referenced in the main text.
• Maximum 3,000 words for the main body (excluding references and appendices).

Learning Materials and Recommended Reading

The following sources provide essential background for this assignment. You are expected to engage with these and to identify additional sources through independent research.

• International Maritime Organization. (2024). Guidelines on the Application of the IMO International Safety Management (ISM) Code (6th ed.). ICS/ISF. Available at: https://www.ics-shipping.org[reference:7]
• International Maritime Organization. (2023). International Convention for the Safety of Life at Sea (SOLAS), 1974, as amended. IMO Publishing.
• International Maritime Organization. (2022). Convention on the International Regulations for Preventing Collisions at Sea (COLREGs), 1972, as amended. IMO Publishing.
• UK Marine Accident Investigation Branch. (2026). Collision between the crude oil tanker Apache and the stern trawler Serinah (GH 116). Accident Investigation Report 4/2026. Available at: https://www.gov.uk/maib-reports[reference:8]
• Moller, L. (2025). When ships crash at sea – Maritime law and a collision between the Solong and Stena Immaculate. Law Society of Scotland. Available at: https://lawscot.org.uk[reference:9]
• Perera, P. et al. (2025). Modeling and comparison of plastic nurdle drift from the MV X-Press Pearl wreck. Science of the Total Environment, 950, 175234. doi:10.1016/j.scitotenv.2025.175234[reference:10]
• UK Parliament. (2025). Written questions and answers on the ecological damage caused by the North Sea collision. Available at: https://questions-statements.parliament.uk[reference:11]

Sample Answer Excerpt: Analysis of Operational Causes

The collision between MV Pacific Star and MT Chem Voyager in the Strait of Malacca exemplifies the multi-faceted nature of modern maritime accidents. A systematic application of the Human Factors Analysis and Classification System (HFACS) reveals that the immediate cause was the failure of both vessels to maintain a proper look-out in restricted visibility, a fundamental requirement under Rule 5 of the COLREGs. However, the underlying causes extend far deeper. The Pacific Star’s passage plan, prepared by the second officer, did not incorporate the fog forecast issued by the Malaysian Meteorological Department, suggesting a culture of procedural compliance rather than active risk assessment. The ISM Code requires companies to establish procedures for the preparation of passage plans that include all relevant navigational hazards and weather conditions[reference:12]. The failure to do so indicates a systemic weakness in the company’s safety management system. Furthermore, the bridge team on the Pacific Star had been on watch for over six hours without a break, raising concerns about fatigue management, an issue that the ISM Code explicitly addresses under its provisions for crew rest hours. The Chem Voyager, while not at fault for the initial lookout failure, contributed to the severity of the incident by not broadcasting its position via AIS at the required intervals, a lapse that reduced the situational awareness of surrounding vessels.

Analysis of recent collision investigations, including the UK Marine Accident Investigation Branch report on the Polesie–Verity collision, demonstrates that similar patterns recur across incidents[reference:13]. The MAIB identified that both vessels in that case had inadequate bridge resource management and that the passage plans did not adequately address the traffic density in the German Bight. The ISM Code’s requirement for companies to ensure that masters are fully conversant with the company’s safety management system is often interpreted narrowly as a documentation exercise, rather than as an ongoing operational commitment[reference:14]. This suggests that regulatory enforcement, particularly through port state control inspections, may need to place greater emphasis on verifying the practical implementation of safety procedures rather than their mere existence on paper. The maritime industry’s move toward digitalisation, including the use of AI-assisted navigation and predictive analytics, offers potential solutions, but these technologies introduce new risks related to over-reliance and cyber-security that must be carefully managed.

Questions often arise regarding the allocation of liability when both vessels contribute to a collision. Under the COLREGs, liability is apportioned based on the degree of fault of each vessel, a principle that has been affirmed in numerous Admiralty Court judgments. However, the ISM Code introduces a separate layer of liability for the shipping company, which can be held responsible for systemic failures even if the immediate cause was a crew error[reference:15]. The interplay between these two liability frameworks creates complexity in litigation, particularly when the collision involves hazardous cargoes and environmental damage. Students should note that the CLC and Fund Conventions provide a strict liability regime for oil pollution, meaning that the shipowner is liable regardless of fault, subject to certain defences. This differs from the fault-based liability under the COLREGs, and understanding this distinction is crucial for a comprehensive legal analysis. The recent Solong–Stena Immaculate collision has highlighted these tensions, with legal experts calling for greater harmonisation of liability rules across different conventions[reference:16]. When preparing your report, consider how the legal framework might evolve to address the increasing complexity of modern shipping, particularly as vessels carry more diverse and hazardous cargoes through environmentally sensitive areas.

Why This Matters in Practice

Ship collision analysis is not merely an academic exercise; it has direct professional applications across multiple maritime sectors. Marine accident investigators use similar analytical frameworks to determine causal factors and issue safety recommendations. Port state control officers assess compliance with safety management systems based on the principles you will examine. Maritime lawyers rely on collision analysis to build cases for liability and compensation. Environmental agencies use post-incident assessments to refine spill response strategies and advocate for regulatory improvements. By completing this assignment, you will develop skills that are directly transferable to careers in maritime safety, shipping management, marine insurance, and maritime law.

Frequently Asked Questions

Can I choose a collision that occurred outside the 2021–2026 period?
Yes, but you must justify why the case remains relevant and ensure that sufficient information is available for a comprehensive analysis. Older cases may still be valuable if they have enduring legal or operational significance.

How many sources should I reference?
Aim for at least 12–15 high-quality sources, including international conventions, academic journal articles, industry guidelines, and official investigation reports. Quality and relevance are more important than quantity.

Do I need to include a separate legal analysis if I choose the hypothetical scenario?
Yes. The hypothetical scenario is designed to raise the same legal issues as a real incident. You should apply the same legal frameworks and principles to the hypothetical facts.

Can I include diagrams or tables?
Yes, visual aids are encouraged where they enhance clarity. Ensure they are properly labelled and referenced in the text. They do not count towards the word limit.

What referencing style should I use?
Use either Harvard or APA 7th edition consistently throughout. Check your programme handbook for the preferred style.

This assignment brief aligns with the assessment conventions of leading maritime institutions including Liverpool John Moores University, Solent University’s Warsash Maritime School, the Australian Maritime College, and the University of Strathclyde[reference:17][reference:18][reference:19]. The structure and criteria reflect the requirements of professional accreditation bodies such as the Institute of Marine Engineering, Science and Technology (IMarEST) and the Nautical Institute. The emphasis on integrating technical, operational, and legal perspectives mirrors the interdisciplinary approach taken in advanced maritime education programmes in the UK, Australia, Canada, and the United States.

Compose a 10–12 page formal investigation report on a maritime collision, applying the ISM Code, COLREGs, and environmental protection frameworks to a real or hypothetical incident.

Next Assignment (Week 9): Port State Control and Maritime Compliance

Assessment Type: Individual Report
Word Count: 2,000–2,500 words
Contribution to Final Grade: 30%

This assignment requires you to evaluate the effectiveness of port state control (PSC) regimes in enforcing international maritime safety and environmental standards. You will analyse PSC inspection data from a selected region (e.g., Paris MoU, Tokyo MoU, or Indian Ocean MoU) over a three-year period, identifying trends in detainable deficiencies and assessing the impact of PSC on shipping safety performance. Your report must include a critical evaluation of the role of PSC in promoting compliance with the ISM Code, SOLAS, MARPOL, and the MLC 2006, and should propose recommendations for strengthening PSC effectiveness in addressing emerging risks such as autonomous shipping and alternative fuels. The assignment will be released in Week 8 with a submission deadline in Week 11.