Environment

AMSA stresses the importance of marine incident reports

Posted on by News Hound
Cargo ship keeling - Photo credit: Reuters
Photo credit: Reuters

The Australian Maritime Safety Authority (AMSA) has experienced a steady increase in incident reports from 1,721 in 2013 to 3,017 reports in 2017. This is a 75% increase over a five-year period. For the period from 1 January to 30 June 2018, AMSA received 1,611 incident reports.

Key points to note

– During 2013-2017, the number of ship arrivals to Australian ports has increased by 21%.
From the 1611 incident reports in January-June 2018, the vast majority of occurrences (78%) concerned some form of technical issue.
– Among the technical issues, the most predominant occurrences relate to power, propulsion, and steering. This includes, for example, issues with a vessel’s main and auxiliary engines, and the steering gear and rudder.

AMSA uses incident data in combination with other sources of information, such as inspection and survey reports, research findings, accident investigations, and our day-to-day interaction with vessel crews, owners, and operators. This helps us gain a better understanding of Continue reading “AMSA stresses the importance of marine incident reports”

IACS updates guidance on bulk cargo loading and discharging

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The process of planning and controlling cargo operations is addressed with special reference to the derivation of the loading and unloading plans and the requirements for ship/shore communication.
The process of planning and controlling cargo operations is addressed with special reference to the derivation of the loading and unloading plans and the requirements for ship/shore communication.

The shipping industry remains highly concerned about the possible damage and loss of bulk carriers carrying heavy cargoes. In July 2018, IACS revised ‘Recommendation 46’ referring to Bulk carriers loading and discharging to reduce the likelihood of over-stressing the hull structure in order to raise further awareness on the potential associated risks.

As explained, the loads that affect the ship’s structure are generally discussed with special reference to the structural strength limitations imposed by the ship’s Classification Society.

For instance, over-loading may induce greater stresses in the double bottom, transverse bulkheads, hatch coamings, hatch corners, main frames and associated brackets of individual cargo holds. In addition, overloading of the cargo hold in association with insufficient Continue reading “IACS updates guidance on bulk cargo loading and discharging”

Rudder compartment hull leak causes major capsizing of towing vessel says NTSB investigation

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NTSB determines that the probable cause of the capsizing and sinking of the Gracie Claire was the towing vessel’s decreased stability and freeboard due to undetected flooding through a hull leak in the rudder compartment, which made the vessel susceptible to the adverse effects of boarding water from the wake of a passing vessel.
NTSB determines that the probable cause of the capsizing and sinking of the Gracie Claire was the towing vessel’s decreased stability and freeboard due to undetected flooding through a hull leak in the rudder compartment, which made the vessel susceptible to the adverse effects of boarding water from the wake of a passing vessel.

The US NTSB issued an investigation report on the capsizing of the towing vessel ‘Gracie Claire’, while moored on the Lower Mississippi River in Venice, Louisiana. The report revealed that several factors affecting the stability of the vessel led to its capsizing.

The incident
On 23 August 2017, at 0756, Gracie Claire was moored in Tiger Pass near mile marker 10 on the Lower Mississippi River. While taking on fuel and water, the towboat began to slowly list to starboard. After the wake of a passing crewboat washed onto the Gracie Claire’s stern, the list increased. In a short period of time, water entered an open door to the engine room and flooded the space.

The towboat sank partially, its bow being held above the water by the lines connected to the dock. All three crewmembers escaped to the dock without injury. Approximately 1,100 gallons of diesel fuel were discharged into the waterway. Damage to the Gracie Claire was estimated at $565,000.

Probable cause

NTSB determines that the probable cause of the capsizing and sinking of the Gracie Claire was the Continue reading “Rudder compartment hull leak causes major capsizing of towing vessel says NTSB investigation”

MPA Singapore has issued advice on how to conduct effective marine incident reporting

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Once this is ensured, the owner, manager and shipmaster of the affected Singapore-registered ships should alert MPA of the incident immediately or at the latest, within 2 hours.
Once this is ensured, the owner, manager and shipmaster of the affected Singapore-registered ships should alert MPA of the incident immediately or at the latest, within 2 hours.

MPA Singapore issued a marine notice to inform operators of Singapore-registered ships on the procedure of reporting of any marine casualty, incident or security-related incident involving Singapore-registered ships.

To begin with, the following can be considered to-be-reported marine incidents:
– the death of, or serious injury to, a person;
– the loss of a person from a ship;
– the loss, presumed loss or abandonment of a ship;
– material damage to a ship;
– the stranding or disabling of a ship, or the involvement of a ship in a collision;
– material damage to marine infrastructure external to a ship, that could seriously endanger the safety of the ship, another ship or an individual; or
– severe damage to the environment, or the potential for severe damage to the environment, brought about by the damage of a ship or ships.

As noted, the general principle in any incident is that urgent steps on the ground, in accordance with ships’ and companies’ approved plans, must first be taken by Continue reading “MPA Singapore has issued advice on how to conduct effective marine incident reporting”

An explanation to the mystery of cargo ships that sink when their cargo liquefies

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Solid bulk cargoes are typically “two-phase” materials as they contain water between the solid particles.
Solid bulk cargoes are typically “two-phase” materials as they contain water between the solid particles.

Think of a dangerous cargo and toxic waste or explosives might come to mind. But granular cargoes such as crushed ore and mineral sands are responsible for the loss of numerous ships every year. On average, ten “solid bulk cargo” carriers have been lost at sea each year for the last decade.

Solid bulk cargoes – defined as granular materials loaded directly into a ship’s hold – can suddenly turn from a solid state into a liquid state, a process known as liquefaction. And this can be disastrous for any ship carrying them – and their crew.

In 2015, the 56,000-tonne bulk carrier Bulk Jupiter rapidly sunk around 300km south-west of Vietnam, with only one of its 19 crew surviving. This prompted warnings from the International Maritime Organisation about the possible liquefaction of the relatively new solid bulk cargo bauxite (an aluminium ore).

A lot is known about the physics of Continue reading “An explanation to the mystery of cargo ships that sink when their cargo liquefies”

Frequency of total hull losses at its lowest since 1996 reports Cefor

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Cefor Hull Trends 2018The number and impact of major and total hull losses has remained low since 2016, a trend that has continued into the first half of 2018, according to figures by the Nordic Association of Marine Insurers (Cefor).

The overall claims frequency continues its positive trend and stabilizes at a relatively low level, and total loss frequency reached a minimum again in the first half of 2018, and continues thus the last year’s trend with some oscillation at low levels.

Insured values dropped on average 2.5% on 2018 renewals. The improvement compared to the previous years is especially due to some recovery in the supply/offshore segment in 2018, following a recovery in the bulk market in 2017. However, it should be noted that Continue reading “Frequency of total hull losses at its lowest since 1996 reports Cefor”

Bahamas Maritime Authority releases safety bulletin following fatality investigation regarding a nitrogen cylinder

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The examination showed that the damaged nitrogen cylinder had suffered significant corrosion at the point of failure.
The examination showed that the damaged nitrogen cylinder had suffered significant corrosion at the point of failure.

The Bahamas Maritime Authority issued a safety alert regarding the potential serious risk for safety on board a ship where nitrogen cylinders are used as a stored kinetic energy system for launching lifeboats. This alert was issued after the authority obtained information from an ongoing maritime incident investigation conducted by the Transport Accident Investigation Commission, New Zealand.

The vessel had hydraulically powered davits with six power packs, three on each side of the vessel. A stored energy system consisted of a piston accumulator and a bank of four high pressure (180-210 Bar) nitrogen cylinders were fitted to each lifeboat launching davit.

In February 2017, one of the nitrogen cylinders of a stored energy system onboard exploded while being topped up to maintain the correct pressure. A crew member died as a result of the explosion. The findings of the investigation indicate that significant corrosion affected the structural integrity of the cylinder.

The remains of the exploded nitrogen cylinder and other three cylinders from the same Continue reading “Bahamas Maritime Authority releases safety bulletin following fatality investigation regarding a nitrogen cylinder”

ISO updates guidelines for sea anchors on survival craft and rescue boats

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A sea anchor is a vital component to a rescue boat, reducing the likelihood of it drifting away or spinning around, and keeps it steady in the wind.
A sea anchor is a vital component to a rescue boat, reducing the likelihood of it drifting away or spinning around, and keeps it steady in the wind.

As more people are heading out to sea over summer, safety both onboard and overboard is under the spotlight. For this reason, an ISO has been updated for the effectiveness of sea anchors for rescue boats known as ‘ISO 17339:2018, Ships and marine technology – Life saving and fire protection – Sea anchors for survival craft and rescue boats.’

A sea anchor is a vital component to a rescue boat, reducing the likelihood of it drifting away or spinning around, and keeps it steady in the wind. The updated ISO for the performance and safety of sea anchors brings them in line with the IMO’s International Life-Saving Appliance Code.

The International Life-Saving Appliance Code prescribes the carriage and use of sea anchors for survival craft and rescue boats, yet the revised recommendation on testing of lifesaving appliances does not provide requirements of performance and testing procedure for the sea anchors. This document addresses those areas, which the IMO recommendation does not address, in order to enable consistent implementation by maritime Administrations.

The new ISO addresses the performance and testing of Continue reading “ISO updates guidelines for sea anchors on survival craft and rescue boats”

USCG issues fated duck boat’s Certificate of Inspection in an unusual move

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The COI reports operational limitations which may have been exceeded while the voyage took place.
The COI reports operational limitations which may have been exceeded while the voyage took place.

The US Coast Guard released the Certificate of Inspection (COI) for the ‘Stretch Duck 07’, the amphibious tour boat that sunk in Table Rock Lake, Missouri on July 2018 with the loss of 17 lives.

The COI reports operational limitations which may have been exceeded while the voyage took place. The limitation included limits on permissible weather and surface conditions.

It also indicates that the boat’s stability letter was issued on March 2009, and its last “drydock” was carried out in January 2017. Its operations were to occur in Table Rock Lake and nearby Lake Taneycomo, and it was not permitted to operate on the water “when winds exceed thirty-five (35) miles per hour, and/or the wave height exceeds two (2) feet”.

In addition, the US Coast Guard established a Marine Board of Investigation (MBI) after the sinking of the Stretch Duck 07 boat in Branson, Missouri on July 19. An MBI is US Continue reading “USCG issues fated duck boat’s Certificate of Inspection in an unusual move”

Fire in cargo hold caused by light bulb reveals Maritime NZ report

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Maritime NZ describes a fire in the cargo hold of a container ship caused by the heat from a 500 watt light bulb as the ship was berthed in port on New Zealand's East Coast in late 2017.
Maritime NZ describes a fire in the cargo hold of a container ship caused by the heat from a 500 watt light bulb as the ship was berthed in port on New Zealand’s East Coast in late 2017.

Maritime NZ has published its Lookout report. In it they present a range of of maritime casualties, offering some clear lessons that have been learnt. In this incident, Maritime NZ describes a fire in the cargo hold of a container ship caused by the heat from a 500 watt light bulb as the ship was berthed in port on New Zealand’s East Coast in late 2017.

The cargo hold fire incident

The floodlight was unintentionally left on after the hold was filled with timber packs. Some of the timber was destroyed in the fire and other packs charred, but the ship suffered only cosmetic damage. No-one was injured.

The cut timber had been loaded during the day and the 148 metre vessel was due to sail at the change of tide, when the cargo hold fire alarm sounded just before midnight.

Crew donned breathing apparatus to check the site, and reported smoke coming out of Continue reading “Fire in cargo hold caused by light bulb reveals Maritime NZ report”

Broken valve causes oil spill while bunkering

Posted on by News Hound
The Swedish P&I Club has described a case of an oil spill during a vessel's bunkering operations which led to an oil spill, the cause of which was a broken valve.
The Swedish P&I Club has described a case of an oil spill during a vessel’s bunkering operations which led to an oil spill, the cause of which was a broken valve.

The Swedish P&I Club has described a case of an oil spill during a vessel’s bunkering operations which led to an oil spill, the cause of which was a broken valve. Following investigation, the Club recommended that all involved parties should be informed when tanks are switched and that the crew must always ensure the valves are completely shut and working.

The incident

The vessel was loading in port and had also planned to bunker fuel using shore trucks. The plan was to load the fuel into port tank 2 and fill it 96%, but the chief engineer changed this just before loading and instead wanted to load port and starboard 3 tanks. The plan was to fill these tanks 90%. The number 3 tanks were half the size of the port and starboard 2 tanks.

The bunker system was lined up to bunker the port 3 tank. Deck scuppers were put in place on deck. The chief engineer then met the truck driver to agree on basic hand signals before connecting the Continue reading “Broken valve causes oil spill while bunkering”

Shipowners P&I Club issues loss prevention and fishing vessel safety publication

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There have been many studies carried out over the years showing that fatalities on fishing vessels remain a real threat.
There have been many studies carried out over the years showing that fatalities on fishing vessels remain a real threat.

On the occasion of the launch of Maritime Safety Week by the UK government running this week, the Shipowners Club issued its fishing vessel safety booklet, summarizing key safety tips for one of the most dangerous jobs in the world. There have been many studies carried out over the years showing that fatalities on fishing vessels remain a real threat.

It is essential that the vessel’s skipper and all crew are fully familiarised with the vessel and its equipment, including any vessel-specific quirks, prior to departing a berth. A pre-sailing checklist should be completed, including:

– The operation and maintenance of the fishing equipment.
– The location and operation of safety equipment, ensuring it is free from obstruction
– The onboard layout of the spaces such as void spaces, engine room and cargo spaces.
– The location and operation of key Continue reading “Shipowners P&I Club issues loss prevention and fishing vessel safety publication”

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