MV Iron Baron (1985)

History
NameMV Iron Baron
OwnerWallaby Shipping SA[1]
OperatorBHP Shipping[2]
Port of registryAustralia, Australia[3]
BuilderKurashima Dockyards, Onishi, Japan[1]
LaunchedDecember 1984
IdentificationIMO number: 853686[1]
FateScuttled off Flinders Island, 30 July 1995[2]
General characteristics
Typebulk carrier[2]
Tonnage37,557 DWT[2]
Length188.02 m (616.9 ft) [1]
Beam28 m (92 ft)[1]
Draught15.4 m (51 ft)[1]
Crew18[1]

MV Iron Baron (formerly MV Ocean Express and MV Irrawaddy) was a 37,557 dwt bulk carrier built in 1985. It was chartered by BHP Shipping in 1990.

On 10 July 1995 it was nearing the end of a voyage transporting 24,000 tonnes of manganese ore from Groote Eylandt via Port Kembla to the port of Bell Bay in northern Tasmania, Australia. Weather conditions at the time were north-westerly 37–46 km/h (20–25 knot) winds and two-metre seas. It grounded on Hebe Reef as it approached the mouth of the Tamar River and began leaking bunker fuel oil. The crew was safely evacuated.[2]

Salvage work commenced and the first casualties of the incident, a dead penguin and three dead cormorants, were recovered by 13 July. At that time 200 penguins had been taken into care.[4]

On 16 July the Iron Baron was refloated and moved to an offshore anchorage. Underwater inspections confirmed that it had incurred major structural damage and was continuing to deteriorate. With further bad weather predicted, it was decided by BHP to dump the ship. It was towed to an approved disposal site 85 kilometres (53 mi) east of Flinders Island where it sank on 30 July.[2]

Environmental impact

An estimated 325 tonnes of heavy bunker fuel oil[5] was spilled from the vessel in the course of its grounding, refloating and towing to the disposal ground.

Several beaches and islands in north-eastern Tasmania were affected and a major clean-up and wildlife rescue effort was undertaken.[2] Little penguins were especially badly affected with 1894 oiled birds collected for treatment and rehabilitation.[5] An estimated 2000–6000 were killed at Ninth Island alone.[2][6] In 2001, penguin fatalities were estimated at between 10,000 and 20,000 birds.[5] In 2005, a 10-year post-mortem reflection on the incident revised the figure upwards, estimating penguin fatalities at 25,000.[7]

References

  1. ^ a b c d e f g "View Shipwreck - Iron Baron". Australian National Shipwreck Database. Department of the Environment (Australia). Retrieved 23 March 2014.
  2. ^ a b c d e f g h "Australian Maritime Safety Authority – Major Oil Spills in Australia: Iron Baron, Hebe Reef, Tasmania, 10 July 1995". Archived from the original on 2 March 2007. Retrieved 31 August 2008.
  3. ^ "Investigation: 83 - Grounding of Iron Baron on Hebe Reef".
  4. ^ "Ship salvage goes on". Canberra Times (ACT : 1926 - 1995). 13 July 1995. p. 5. Retrieved 22 April 2020.
  5. ^ a b c Davidson, Steven (1 October 2001). "Penguins and oil don't mix". ECOS. Retrieved 22 August 2014.
  6. ^ Brothers, Nigel; Pemberton, David; Pryor, Helen; & Halley, Vanessa. (2001). Tasmania’s Offshore Islands: seabirds and other natural features. Tasmanian Museum and Art Gallery: Hobart. ISBN 0-7246-4816-X
  7. ^ "Shipping industry reflects on Iron Baron spill" ABC News (2005-07-10). Retrieved 2014-01-27.

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