Maritime Analysis
Lessons Learned from the Collision Involving City-Of-Rotterdam
By VesselRate AI Editor
Jun 24, 2026
The City-Of-Rotterdam has been at the center of scrutiny following a significant maritime incident that occurred on December 3, 2015, when it collided with the 'Primula Seaways' in the River Humber. This collision has since led to legal repercussions for the vessel's captain and pilot, as well as technical assessments that highlight critical issues regarding navigational safety.
In a recent court ruling, Captain Ruslan Urumov and pilot Gehan Sirimanne were sentenced to four months in prison for their roles in the collision. Both pleaded guilty to charges of conduct endangering a ship, though their sentences are suspended for 18 months. Sirimanne additionally faces $60,000 in court costs, which will be covered by his former employer, Associated British Ports. The incident was exacerbated by adverse weather conditions, including strong winds and tidal streams, which pushed the City-Of-Rotterdam off course toward the inbound lane of the 'Primula Seaways'. Despite attempts to correct her course, the vessel collided with the oncoming ship, ultimately sustaining significant damage below the waterline and along her port bow.
An investigation by the UK Marine Accident Investigation Branch (MAIB) revealed that the accident resulted from the pilot's disorientation and loss of situational awareness, heightened by the vessel's unconventional bridge design. Reportedly, the bridge windows' semi-circular layout contributed to the pilot's misunderstanding of the ship's trajectory, resulting in what is termed 'relative motion illusion'. This disorientation meant that even though the pilot made course corrections, they were insufficient to avert the collision. The MAIB's findings underlined the importance of bridge design in preventing such incidents, leading to questions about maritime safety not just in operations, but also in vessel construction.
In the aftermath of the collision, the City-Of-Rotterdam underwent repairs at the Port of Tyne, which were completed by February 28, 2016. Following repairs, the vessel made her way to Zeebrugge and then onward to Esbjerg. The repair costs and the repercussions of the incident have drawn attention to the need for stringent operational protocols and design considerations on vessels to avoid similar accidents in the future. As maritime authorities continue to examine the lessons learned from this case, it serves as a reminder of the complexities involved in navigation and the vital role that human and technical elements play in maritime safety.
In a recent court ruling, Captain Ruslan Urumov and pilot Gehan Sirimanne were sentenced to four months in prison for their roles in the collision. Both pleaded guilty to charges of conduct endangering a ship, though their sentences are suspended for 18 months. Sirimanne additionally faces $60,000 in court costs, which will be covered by his former employer, Associated British Ports. The incident was exacerbated by adverse weather conditions, including strong winds and tidal streams, which pushed the City-Of-Rotterdam off course toward the inbound lane of the 'Primula Seaways'. Despite attempts to correct her course, the vessel collided with the oncoming ship, ultimately sustaining significant damage below the waterline and along her port bow.
An investigation by the UK Marine Accident Investigation Branch (MAIB) revealed that the accident resulted from the pilot's disorientation and loss of situational awareness, heightened by the vessel's unconventional bridge design. Reportedly, the bridge windows' semi-circular layout contributed to the pilot's misunderstanding of the ship's trajectory, resulting in what is termed 'relative motion illusion'. This disorientation meant that even though the pilot made course corrections, they were insufficient to avert the collision. The MAIB's findings underlined the importance of bridge design in preventing such incidents, leading to questions about maritime safety not just in operations, but also in vessel construction.
In the aftermath of the collision, the City-Of-Rotterdam underwent repairs at the Port of Tyne, which were completed by February 28, 2016. Following repairs, the vessel made her way to Zeebrugge and then onward to Esbjerg. The repair costs and the repercussions of the incident have drawn attention to the need for stringent operational protocols and design considerations on vessels to avoid similar accidents in the future. As maritime authorities continue to examine the lessons learned from this case, it serves as a reminder of the complexities involved in navigation and the vital role that human and technical elements play in maritime safety.
Based on these news reports:
- Captain and pilot sentenced to four months in prison (2017-11-13)
- A disorientated pilot caused collision in December 2016 (2017-02-08)
- Repairs of collision damage completed (2016-03-01)