Real Life Accident: Collision Leads To Massive Explosion, Kills Nine Crew Members

Several vessels, including Ship A and Ship C, were in a traffic lane heading about 130 degrees true. Ship B was in the process of crossing this traffic lane in order to integrate the opposite-bound lane. Visibility was good and seas were light.

On the crossing vessel, Ship B, the 3rd officer was OOW. The Chief Officer (CO) and the 2nd officer were present on the bridge too, as was a helmsman. The CO was plotting targets on the ARPA radar to assist the OOW. The Master was also on the bridge from time to time monitoring the traffic. Initially, the 2nd officer was setting up the GPS units, but afterwards he was chatting and joking with the OOW and CO in addition to catching up with some work on the chart table. The 2nd officer’s presence appears to have been a source of distraction to the OOW and the CO.

ship accident
Image credits: nautinst.org

The OOW on Ship B stated they would allow Ship A to pass ahead. The OOW on Ship A expressed surprise at this, as he had initially expected Ship B to alter course to port to join the traffic lane. When Ship B’s OOW then declared their intention to alter course to starboard, Ship A’s OOW considered this as an acceptable course of action for a crossing situation.

Later, the OOW of Ship A had identified that a close quarters situation was continuing to develop with Ship B. He expressed concern on the VHF radio several times; a bigger alteration of course to starboard by Ship B was urgently required.

ship accident

At 20.45, the CO on ship B informed the OOW that one of the targets was a false echo. This was an incorrect assumption and could easily have been clarified by visual observation. In fact, the bridge team had mistaken Ship C, also in the traffic lane, for Ship A, and assumed the actual echo of Ship A was a false echo. In the final minutes before the collision, the team on Ship B also mistakenly identified a fourth ship as Ship A. At 20.52 a collision occurred between Ship A and Ship B; Ship B was at about 11kt (full ahead manoeuvring) and Ship A was at 13.5kt (full ahead sea speed).

A massive explosion occurred on Ship A as a cargo tank ruptured and naphtha was spilt and ignited. The ignited spill engulfed the sea surrounding the two vessels. On Ship A, nine crew members were killed and other crew members injured. Three crew members were injured on board Ship B. Both vessels incurred substantial fire and structural damage as a result of the collision. Shockingly, of the many vessels in the vicinity at the time of the accident only one stopped to assist.

Some of the findings of the official report were as follows:

– This collision highlights the importance of effective, well-managed lookout techniques with correct implementation of the COLREGs in as bold and timely a manner as possible.
– This case also highlights the importance for vessels to avoid becoming severely restricted by other vessels so as to limit their ability to comply with the COLREGs. Adequate contingency room should always be left to provide an escape route should other vessels appear not to be complying.
– The bridge team on vessel B were continually distracted from their lookout duties by laughing and joking on the bridge among themselves and also with other crew members on the bridge.
– Ship A was considered to be a false echo by the Ship B team, who also mistook Ship C for Ship A. Greater emphasis on comparing ships observed visually against the information presented by the electronic navigation aids was required. l Small and arbitrary alterations of course were made by Ship B without knowing what effect the actions would have.
– There was no use of the ‘Trial Manoeuvre’ function on the radar of Ship B. The team proceeded with indications of low CPAs and without realising the steady compass bearings with Ship A.

Lessons learned:

– Both vessels were proceeding at full speed at the time of collision, yet one of the safest of time-proven tactics is to slow down when unsure of the developing situation or of the intentions of the opposite party.
– Keep the bridge clear of chit chat and business unrelated to navigating the ship when in high risk areas, high traffic areas or at all other times when maximum concentration is needed.
– Course alterations should be as bold as possible so as to make your intentions known to the other vessels.
– When two ships in your vicinity collide and explode, do your best to stay safe but also render what assistance you can to the fellow mariners involved. Do not sail away as if nothing had happened.

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2 Comments

  1. PLS REMIND THAT HELMMAN IS NOT A LOOKOUT SOVESSEL WAS PROCEEDING W/O LOOKOOT
    MASTER FULL RESPOSABLE FOR COLLISION NON RELIEVING OOW OWING TO HIGH TRAFFIC
    A PROVE FO VERY BAD SEAMSHIP!

  2. This accident shows the importance of the new concept i worked on during my phd research, which is damage mitigation, which gives an extra key of safety once collision is inevitable…it gives the captain advice to avoid cargo tanks area and rudder angle to reduce expected damage. It is very important research which must find its way to light.

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