Mar 282017
 

The second of our case studies of toxic leadership at sea looks at the sinking of the Bow Mariner. When the firm hierarchy aboard ship meets dysfunctional leadership and cultures with large power gradients the result can be a toxic culture that maximises dangers to the vessel and its crew in a crisis.

We present a transcript with the podcast.

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odfjell-bowmariner.jpgOwned by Odfjell Asia, operated by Ceres Hellenic Shipping Enterprises and flagged in Singapore, Bow Mariner left New York at 0500 on February 28, 2004, 22 of her cargo tanks empty except for the vapour of Methyl Tert-Butyl Ether. The tanks were not inerted. Six of the ten remaining tanks contained 13.5 million litres of ethanol.

Aboard her were three Greek senior officers: Captain Efstratios Kavouras, Chief Officer Spiridon Melles and Chief Engineer Legantis-Eley Anasthasiou, and 24 Filipino crew, including Third Officer Lugen Ortilano on his first voyage as a licenced officer and second assistant engineer Edimar Aguilar, who joined the ship twenty-three days before.

Only four other crewmembers survived the next 14 hours: Electrician James Bactat, Chief Cook Dominador Marentes, Messman Reynaldo Tagle and Able Seaman Ramon Ronquillo.

The three senior officers had created a climate of fear and intimation on the ship. Junior officers were prohibited from eating the officer’s mess. They were prohibited from reading the Safety Quality and Environmental Protection Management documents, or from carrying the jobs specified in it. Senior officers did not train their subordinates in the technical and administrative skills they needed to operate the vessel safely.

The vessel carried no immersion suits. Fire and lifeboat drills were rare. Safety training records and the minutes of safety committee meetings were little more than fiction.

It was the second to last day of February, it was cold, with the air temperature at 4.4 Celsius, the sea a little more than a degree higher at 5.5 Celsius. There was a two-metre sea running east and a 15-knot wind North-west

Third Officer Ortilano was Officer of the Watch from 0800 to 1200. A little before 10.00 hours, Captain Kavouras gave the order that would doom the ship. He told Ortilano to have the crew open the 22 empty tanks that had held MTBE and Ortilano followed that order.

MTBE vapour is heavier than air, it would not simply rise into the air and disperse when the tanks were opened. It can flow along a surface until it finds a point of ignition. It has a flashpoint of -25.6 degrees Celsius, well below the air temperature. The tanks were full of its vapour. As tank cleaning proceeded, those vapours were displaced, emerging onto the deck and collecting in pockets in corners and spaces.

Vapours like MTBE need a certain amount of oxygen in order to ignite. If the amount of vapour is below a certain level, called the Lower Explosive Level or LEL, it won’t explode. If the amount of vapour is above a certain level, called the Upper Explosive Level, UEL, it also won’t explode. Between these two levels, it will explode if there’s a source of ignition.

When the tanks were opened, air entered the tanks, diluting the MTBE vapours to somewhere between the LEL and the UEL..

Put simply, when Third Officer Johnny Acuna replaced Ortilano at 11.50 with instruction from Chief Officer Melles for Ortilano to help with tank cleaning at 13.00, the ship was already a floating bomb. There was a strong smell of MTBE vapour on deck All it needed was a spark.

The tanks were not gas-freed, so Boatswain Aquilino Tabilin put on SCBA gear equipped with steel bottles and took an air-operated Wilden Pump into the tanks to remove residual MTBE from the cargo tanks with the help of an Ordinary Seaman and a Deck Cadet. By the time Ortilano arrived, the number nine centre starboard and wing tanks had already been emptied of remaining MTBE and Tabilin was working in the number eight starboard cargo tank.

Boatswain Tabilin’s entry into a cargo tank filled with explosive vapours wearing SCBA followed no known safe procedures, to put it mildly.

At 13.30 the Wilden pump failed. Tabilin had it hauled out of the tank. While he was trying to repair it, Captain told him to get the Norclean Eductor, a kind of industrial vacuum cleaner used for draining combustible fluids, from the midship deckhouse.

When it arrived its drum was damaged so Kavouras told Ortilano to get two standard drums and have them adapted to replace the damaged one on the Eductor. The drums were strengthened, but there was no bonding between the drum itself and the lid, a precaution designed to prevent build-up of static electricity.

The first drum was finished at 15.00 and taken on deck. At 17.05, Ortilano and an Engine cadet carried the replacement drums to the deck. The crew had already gone to eat but the Eductor had been mounted on the first drum, and the suction hose lead through the Butterworth opening near the number eight starboard cargo tank expansion trunk, but the unit was not in operation.

Ortilano had lunch and at 17.30 went to his cabin to rest in readiness for his next watch.

Meanwhile, Ramon Ronquillo and Pumpman Tomas Ventenilla were blowing down cargo lines with compressed air. They probably weren’t aware that this was a bad idea. Blowing down cargo lines can create a static electrical charge which can spark and ignite any explosive fumes still in the pipe. They should have used an inert gas.

At 1800 the crew reported for overtime and went to work. It was twilight and the deck lights were switched on.

Ortilano, Bactat and Ronquillo were in their rooms, sleeping or resting. Chief Cook Marentes, Messman Reynaldo Tagle and messman Rosello were cleaning the galley. Second Assistant Engineer Aguilar was doing his rounds.

As Aguilar placed his hand on the handle of the engine room door, he heard the first explosion. By the time he reached the interior stairwell on his way to his room, the ship was already listing to starboard. He couldn’t open the door to his room. He went up to the bridge and got a lifejacket from the Pilot room.

In his cabin on the port side, Electrician Bactat heard a noise, the ship moved violently and began to list to starboard. Opening the window blinds he saw orange flames. He grabbed his coveralls and lifejacket struggling against the list, he made his way up to the bridge, where some of the windows were broken. He met with four others and made his way down exteriors ladders to the deck, the list making it hard to climb down.

In the galley, Chief Cook Marentes heard a boom and the ship shook violently. Messman Rosello started to panic. Marentes told him to calm down and get a life jacket, then came another, ear-shattering explosion. He went to his own cabin to get his lifejacket. His lifeboat station was on the port side but because of the list, he went down an exterior ladder to the winch deck.

3-d_points_bow.jpgIn his cabin, Ortilano head a sudden series of explosions, then a loud boom. Through his forward windows, he saw flames. Dashing out into the passageway he saw AB Elmer Manahan who told him to get his lifejacket. Ortilano went back into his cabin, got the lifejacket, and exited the accommodations aft.

In a group were Captain Kavoras and Chief Engineer Anasthasiou, talking in Greek, together with four other crew members, including messman Tagle who couldn’t understand what they saying. They were waiting for instructions, but none were given.

There was no question of using the lifeboats. Because of the list, the port lifeboat almost certainly could not be launched. The starboard lifeboat seems to have been caught by the explosion and fire. Its bow was damaged by the flames and more damage occurred as it fell from its falls in the blast.

Ortilano asked Captain Kavouras whether a distress signal had been sent. Kavouras did not reply. Ortilano went to the bridge, activated the DSC alarm and sent out a mayday.

He didn’t wait for a response. He went up to the bridge top, activated the EPIRB and cast it overboard.

bowmarinerlifeboat2bow40274.jpg

The damaged starboard lifeboat. Fourth engineer Ajoc was found alive, holding onto the boat’s lifelines but died on the way to hospital. USCG photo.

Meanwhile, Tagle followed Captain Kavaoras, Chief Engineer Anasthasiou and the rest of the group to the winch deck on the starboard side. For a moment he covered his eyes. When he look up, the rest had gone over the side. There was a third explosion and someone called to him in Tagalog to jump. Tagle jumped into the water.

As the ship listed an estimated 30 degrees, Electrician Bactat, with a second group, made his way to the starboard winch deck and simply walked into the water. He found a piece of wood and clung to it.

The ship came back on an even keel, her bow sinking rapidly. Aguilar, Marentes and Ronquillo got to the stern railings and held on, determined not to enter the water until the last possible moment. It wasn’t something they’d be trained to do: They’d remembered the movie Titanic.

Ortilano climbed from the bridge top down to the winch deck. There were people in the water, the lights of their lifejacket lights shining in the darkness. A life raft floated off starboard, still attached by its painter. Ortilano told the men at the stern railings to wait until the ship sank further. He waited, then, from a height of three or four metres jumped into the liferaft.

Aguilar jumped for the lifeboat, missed, fell into the water and climbed into the liferaft. Then Ronquillo jumped and climbed in, followed by Marentes.

They found the life raft equipment, cut the painter, and searched for survivors. Ortilano lit flares, hearing cried for help each time. He called out to them to swim towards the flares. Two men, so covered in oil as to be unrecognisable, got close enough to be helped into the life raft, messman Tagle and Electrician Bactat.

At 1937, the Bow Mariner sunk under the waves, her deck lights still shining until almost the last moment.

Top, above side scan sonar images of Bow Mariner on the seafloor, courtesy NOAA. Compare to photo below from Marine Marchande.

Rescue efforts were already underway by the US Coast Guard and two ships that had seen the explosion. A Coast Guard helicopter, CG 6026, arrived at 19.28. There were more than a dozen lifejacket lights floating in the water and spotted the life raft with signs of people aboard.

bowmarinerlifeboat140277.jpg

Capsized port lifeboat.

Battling darkness, fumes, and the heavy fuel oil that covered the survivors, it took half an hour to rescue the six men from the liferaft. They were flown to Norfolk Sentara Hospital. The helicopter was grounded due to contamination.

The only survivors were those in the life raft, Ortillano, Aguilar, Marentes, Ronquillo, Tagle and Bactat.

A second helicopter, CG 6588 located a body in the water. Wearing only a shirt and a gold necklace, it showed evidence of traumatic injuries to the head, legs and arms, perhaps a sign that he had been caught by one of the explosions. It was Chief Officer Melles.

Five other bodies were eventually recovered. Each one dead by drowning associated with hypothermia.

Of the remaining 18 bodies, the sea took them for eternity.

Lessons

There are so many lessons to be learned from the Bow Mariner incident that it’s hard to know even where to begin.

What sparked the explosion isn’t known and hardly matters. The situation was such that disaster was inevitable.

The senior officers confused arrogance and intolerance with leadership. Educating and training subordinates to work safely is part of leadership.

As we saw in the first series of Maritime Accident Casebook, it isn’t uncommon for senior officers to get complacent about the cargoes their ship carries, to assume they know better than the guys who wrote the safety procedures. It’s a life-threatening assumption.

  • Make sure your subordinates are aware of safe procedures, make sure they know what’s in the SMS, or in this case, SQEMS.
  • Encourage them to be safety aware and pro-active to take the initiative if they see what they believe to be an unsafe situation.
  • Ensure you have a good working relationship with your subordinates, it might save your life.
  • It might be a good idea, too, that they know how to make a distress call. Lugen Ortilano didn’t give his vessel’s position, which could have led to a delay in response to the emergency. He didn’t wait for a response to his call. Both are understandable since the ship was a bomb, all the same it’s worth ensuring that those who might have to make such a call practice how to speak calmly and clearly and give the ship’s position and its situation. Valuable time could be saved.

But let’s look at survival. Those aboard the life raft survived. Those who did not wore lifejackets that would have kept them afloat so why didn’t they live?

  • The water was just 5.5 degrees Celcius. Two things happened when the men jumped into that sea. The first was cold shock. It was difficult to control breathing, their heart rate soared, and their blood pressure went up. It was hard to think clearly. For a few critical minutes, they were totally incapacitated. Cold shock can kill.
  • Those who survived cold shock were victims of hypothermia. Our bodies need warmth, indeed, they generate warmth. But in a cold sea, the body’s core temperature can fall so far that it can’t be maintained. It induced a fatigue, a fatal desire to sleep. In that situation, sleep is death. With unconsciousness, they drowned.
  • Aguilar, Marentes and Ronquillo were right to delay entering the water for as long as possible. The sooner you’re in the water, the sooner you die.
  • Of course, it’s best not to get in the water at all, get a lifeboat if you can.
  • etting into the water, put on as much clothing as possible. and put something on your head, it will reduce heat loss.
  • If you can, keep your arms as close to the body and legs together to reduce heat loss.
  • Tighten crotch strop to ensure a near 40° angle of flotation and to help keep the back of head out of the water to reduce heat loss.
  • Keeping yourself warm, is the best way to keep yourself alive.

Today, LugenOrtilano has a framed letter in his wall commending him for his heroism that night. Perhaps once in a while he wonders why such heroism should have been necessary in the first place.

PBS Nova Transcript on Sea Survival

BBC Report (Real Player)

Official USCG Report

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