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NTSB report dismisses bunker fuel as cause of Singapore-registered “Dali” crashing into Baltimore bridge

After numerous fuel testing on the LSMGO bunker fuel “Dali” was using, NTSB preliminary report highlighted that ‘the test results did not identify any concerns related to the quality of the fuel’.

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Singapore-registered “Dali” crashing into Baltimore bridge

National Transportation Safety Board (NTSB) on Tuesday (14 May) has dismissed contaminated bunker fuel as a cause behind Singapore-registered Dali crashing into Francis Scott Key bridge in Baltimore, Maryland, USA in its latest report. 

This was the latest finding of NTSB in its preliminary report, titled Contact of Containership Dali with the Francis Scott Key Bridge and Subsequent Bridge Collapse, investigating the fatal incident.

The vessel struck the Francis Scott Key bridge in Baltimore, Maryland, USA, on 26 March at about 1.30pm (Singapore Time), causing the bridge to collapse. 

Following the collision which killed six people, speculation was rife whether contaminated bunker fuel played a role in the containership losing power and crashing into the bridge. 

NTSB found that the ship used three main grades of bunker fuel for the main engine and electrical generators: low-sulphur marine gas oil (LSMGO), low-sulphur heavy fuel oil, and heavy fuel oil. 

Dali carried an estimated 1.8 million gallons of fuel in dedicated vessel fuel tanks. None of the vessel’s dedicated fuel tanks were damaged. 

The last time Dali crew switched fuel was on the evening of 21 March, five days before the accident, when they switched to burning LSMGO in all engines upon entering US territorial waters (12 miles off the Atlantic coast), as required by emission regulatory requirements.

The containership took on various amounts of all three types of fuel in Newark, New Jersey, on 19 March after the month-long trip from Sri Lanka. Fuel-sample analysis results indicated that the LSMGO fuel bunkered in Newark, which was the same type of fuel in use during the accident events, complied with international standards and regulations. 

According to the report, NTSB said: “The test results did not identify any concerns related to the quality of the fuel.”

On 28 March, the owner of the ship took samples of the LSMGO that was being burned at the time of the accident. At NTSB direction, the owner transferred the samples to an independent laboratory. 

“The test results did not identify any concerns related to the quality of the fuel,” it said.

On 11 April, additional fuel samples were taken from all fuel tanks and various fuel supply manifolds on board the vessel; samples were tested by an independent lab. 

“Fuel-sample analysis results indicated that the LSMGO fuel being burned at the time of the accident complied with international standards and regulations. The test results did not identify any concerns related to the quality of the fuel,” NTSB added. 

First series of blackouts when in port

Instead, NTSB found Dali experienced two electrical blackouts 10 hours before leaving Baltimore on 25 March during in-port maintenance. The first in-port blackout was caused by the mechanical blocking of the online generator’s exhaust gas stack. The second blackout in port was related to insufficient fuel pressure for the online generator. 

Second series of blackouts when leaving port

Screenshot 2024 05 15 at 11.50.41 AM

NTSB also found Dali experienced two electrical blackouts when it was leaving Port of Baltimore when electrical breakers that fed most of the vessel’s equipment and lighting unexpectedly tripped.

The NTSB is still investigating the electrical configuration following the first in-port blackout and potential impacts on the events during the accident voyage.

It also said it will continue evaluating the design and operation of Dali’s power distribution system including its breakers.

“NTSB is working with parties to immediately assess their bridges and determine whether pier protection needs to be improved,” it added.

Singapore-based Grace Ocean Private Limited, the vessel’s owner, owns 55 ships—a mix of containerships including Dali, bulk carriers, and tankers. 

As of 26 March, Singapore-based Synergy Marine Group, the vessel manager who provided the crew and operated the vessel for the owner, managed 55 ships under Panama, Marshall Islands, Hong Kong, Liberia, and Singapore flags, including Dali.

Note: The full marine investigation preliminary report by NTSB titled ‘Contact of Containership Dali with the Francis Scott Key Bridge and Subsequent Bridge Collapse’ can be found here

Related: Baltimore bridge crash: Safety investigation to include contaminated bunker fuel as possible cause
Related: Baltimore bridge collapse: FuelTrust highlights bunkering activities of Singapore-registered “Dali”
Related: MPA: Singapore-registered ship in Baltimore bridge crash passed previous foreign port state inspections

 

Photo credit: National Transportation Safety Board
Published: 15 May 2024

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Alternative Fuels

Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

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Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Taiwanese shipping firm Yang Ming Marine Transport Corporation (Yang Ming) and South Korean shipbuilder Hanwha Ocean on Wednesday (2 September) signed a shipbuilding contract for six 13,000 TEU class LNG dual-fuel container vessels. 

The contract was signed by Dr. Chuck Tsai, Chairman of Yang Ming, and Mr. Charles Kim, CEO of Hanwha Ocean. The vessels are scheduled for delivery between 2028 and 2029. 

They will complement Yang Ming’s existing fleet of 10,000+ TEU vessels and serve as key vessels on East-West services, with deployment flexibility across trade lanes connecting Asia with the East and West Coasts of North America, South America, and the Mediterranean. 

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

“As Yang Ming transitions toward net-zero emissions, LNG provides a relatively mature and economically viable alternative fuel solution, capable of reducing greenhouse gas emissions by approximately 20%,” the company said. 

“At the same time, ammonia can serve as a carbon-free fuel by utilising converted LNG storage facilities, while offering relatively lower conversion costs and comparatively well-developed supply chains and infrastructure. The Ammonia Fuel Ready design will therefore provide Yang Ming with greater flexibility in responding to increasingly stringent international regulations on greenhouse gas emissions.”

In addition, the vessels will be equipped with Type B LNG fuel tanks with a design pressure of 1.0 bar to enhance the safety and efficiency of LNG operations, together with a range of energy-saving technologies, including Wind Shields, Rudder Bulbs, Pre-Swirl Stators, and Shore Power Systems. Smart ship technologies and cybersecurity protection features will also be incorporated to enhance operational efficiency, safety, and reliability while effectively reducing fuel consumption and greenhouse gas emissions.

Deliveries under Yang Ming’s next-generation fleet optimization plan commenced earlier this year. By 2030, a total of 24 new vessels are expected to enter service. 

This includes 18 LNG dual-fuel vessels—comprising five 15,500 TEU, seven 16,000 TEU, and the six 13,000 TEU vessels under this contract—alongside six 8,000 TEU methanol dual-fuel-ready ships. 

 

Photo credit: Yang Ming Marine Transport
Published: 4 September, 2026

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Alternative Fuels

LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Both secured AiP for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

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LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Lloyd’s Register (LR) and the Marine Design and Research Institute of China (MARIC) on Thursday (3 September) have secured Approval in Principle (AiP) for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

Announced at SMM 2026, the concept addresses one of the biggest investment challenges facing shipping today: the need to develop vessels and capabilities that can support a range of alternative fuel options and pathways as technologies, infrastructure and regulations evolve.

While LNG is already a mature fuel pathway, methanol and ammonia remain at an earlier stage of development, with questions around global fuel availability, infrastructure development, economics and long-term adoption.

The 114,000 DWT tanker concept has been designed as a product and crude oil carrier that can accommodate future conversion to LNG, methanol or ammonia as technologies, regulations and fuel supply chains mature. By incorporating conversion readiness at the design stage, the concept aims to reduce future retrofit complexity and provide owners with greater confidence when planning long-term fleet investments.

The design concept was reviewed against LR’s July 2026 class rules and regulations, including requirements relating to ships using gases and other low-flashpoint fuels, alongside relevant IACS Common Structural Rules for oil tankers. Final classification and statutory approval remain subject to full compliance with all applicable rules and regulations.

Theo Kourmpelis, Global Business Director for Tankers, Lloyd’s Register, said: “Shipowners are being asked to make major investment decisions today despite continued uncertainty around which fuels will dominate in the decades ahead. Alternative fuel solutions each offer potential pathways to compliance, but fuel infrastructure, regulation and economics continue to evolve at different speeds around the world.

“Designs that preserve flexibility will be critical in helping owners manage risk while preparing for multiple future scenarios.”

Si Nan, Marine & Offshore Marketing Department Vice Director, MARIC, said: “As the industry explores different decarbonisation pathways, shipowners need vessel designs that can adapt alongside technological and regulatory developments. This concept was developed specifically to provide greater fuel flexibility and long-term resilience, allowing owners to respond to changing market requirements without being locked into a single fuel strategy.

“Receiving Approval in Principle from Lloyd’s Register is an important milestone that validates the design concept and supports its future development.”

 

Photo credit: Lloyd’s Register
Published: 4 September, 2026

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Alternative Fuels

DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

LNG-fuelled vessels accounted for the vast majority of August activity while the strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year.

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DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

Latest data from classification society DNV’s Alternative Fuels Insight (AFI) platform alternative-fuelled vessel ordering was strong in August, with 52 new vessels added to the platform.

This is the highest monthly total since October 2024 and follows another active month in July, when 47 vessels were added to the database.

LNG-fuelled vessels accounted for the vast majority of August activity, with 46 orders recorded. The container segment led the way with 30 orders, while the car carrier segment contributed a further 12 LNG-fuelled vessels. In addition, four ethanol-fuelled bulk carriers and two hydrogen-powered bulk carriers were added during the month, as well as one LNG bunker vessel.

The strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year. In total, 242 alternative-fuelled vessel orders have been placed in the first eight months of 2026, representing a 27% increase compared with the same period in 2025.

LNG remains the dominant fuel choice, accounting for 63% of all alternative-fuelled vessel orders registered so far this year. Container vessels represent the largest share of these LNG orders (59%), followed by car carriers (30%).

Jason Stefanatos, Global Decarbonization Director at DNV Maritime, said: “The past two months have been particularly strong for alternative-fuelled vessel ordering, with August recording the highest monthly total we’ve seen since October 2024. This has helped lift year-to-date orders to a level well above the same period last year.

“LNG remains the leading fuel choice, driven largely by activity in the container and car carrier segments. These sectors have been among the earliest adopters of alternative fuels, supported by predictable liner operations and increasing demand from cargo owners to reduce emissions across supply chains. 

“For many owners, LNG offers a combination of emissions reductions, fuel availability and future flexibility while the longer-term fuel landscape continues to evolve. 

“At the same time, the latest figures include orders for ethanol- and hydrogen-fuelled vessels, highlighting that owners continue to explore a range of decarbonization pathways. Different segments are making different fuel choices, but the overall level of activity demonstrates continued investment in lower-emission shipping.”

Screenshot 2026 09 04 at 12.29.26 PM Screenshot 2026 09 04 at 12.29.36 PM

 

Photo credit: DNV
Published: 4 September, 2026

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