Sinking of the MS Estonia
One of Estonia's inflatable life rafts, filled with water
Date28 September 1994 (1994-09-28)
Time00:50–01:50 (UTC+2)
Duration1 hour
LocationBaltic Sea
Coordinates59°23′N 21°41′E / 59.383°N 21.683°E / 59.383; 21.683
TypeMaritime disaster
Participants989; 137 survivors
Deaths852

The MS Estonia sank on Wednesday, 28 September 1994, between about 00:50 and 01:50 (UTC+2) as the ship was crossing the Baltic Sea, en route from Tallinn, Estonia, to Stockholm, Sweden. The sinking was one of the worst maritime disasters of the 20th century.[1][2] It is one of the deadliest peacetime sinkings of a European ship, after the Titanic in 1912 and the Empress of Ireland in 1914, and the deadliest peacetime shipwreck to have occurred in European waters, with 852 (out of 989) lives stated at the time as officially lost (subsequent passenger list analysis suggest a likely higher figure, see the Sinking section below).[3]

Sinking

Estonia departed slightly behind schedule at 19:15 on 27 September and was expected in Stockholm the next morning at about 09:00. She was afterwards stated as carrying 989 people: 803 passengers and 186 crew.[4]: 137 [JAIC 1] However the actual numbers were likely higher: subsequent analysis of the passenger list suggested 69 further unaccounted for passengers and so a possible 921 dead.[5]

Most of the passengers were Swedish, although some were of Estonian origin, while most of the crew members were Estonian. The ship was fully loaded, and was listing slightly to starboard because of poor cargo distribution.[4]: 138 

According to the final disaster report, the weather was rough, with a wind of 15 to 25 m/s (29 to 49 kn; 34 to 56 mph), force 7–10 on the Beaufort scale[6][7] and a significant wave height of 4 to 6 m (13 to 20 ft)[JAIC 2] compared with the highest measured significant wave height in the Baltic Sea of 7.7 m (25 ft 3 in).[8] Esa Mäkelä, the captain of Silja Europa who was appointed on-scene commander for the subsequent rescue effort, described the weather as "normally bad", or like a typical autumn storm in the Baltic Sea. According to modelled satellite data, gusts were in the excess of 85–100 km/h (24–28 m/s) at 01:00 that night over the Baltic Sea, although the ship had not yet reached the areas with the heaviest gusts before its sinking.[9] There was some rain and temperatures around 10 °C (50 °F).[9] All scheduled passenger ferries were at sea, something not unusual for this weather in the Baltic Sea. The official report says that while the exact speed at the time of the accident is not known, Estonia had very regular voyage times, averaging 16 to 17 kn (30 to 31 km/h). The chief mate of the Viking Line cruiseferry Mariella tracked Estonia's speed by radar at approximately 14.2 kn (26.3 km/h) before the first signs of distress, while the Silja Europa's officers estimated her speed at 14 to 15 kn (26 to 28 km/h) at midnight.

The first sign of trouble aboard Estonia was when a metallic bang was heard, presumably caused by a heavy wave hitting the bow doors around 01:00, when the ship was on the outskirts of the Turku archipelago, but an inspection—limited to checking the indicator lights for the ramp and visor—showed no problems.[4]: 138  Over the next 10 minutes, similar noises were reported by passengers and other crew.[4]: 138  At about 01:15, the visor is believed to have separated and torn open the loading ramp behind it. The ship immediately took on a heavy starboard list (initially around 15 degrees, but by 01:30, the ship had rolled 60 degrees and by 01:50 the list was 90 degrees) as water flooded into the vehicle deck.[4]: 138  Estonia was turned to port and slowed before her four engines cut out completely.[4]: 138 

At about 01:20, a quiet female voice called "Häire, häire, laeval on häire", Estonian for "Alarm, alarm, there is alarm on the ship", over the public address system, which was followed immediately by an internal alarm for the crew, then one minute later by the general emergency signal. The vessel's rapid list and the flooding prevented many people in the cabins from ascending to the boat deck, as water not only flooded the vessel via the car deck, but also through windows in cabins as well as the massive windows along deck 6. The windows gave way to the powerful waves as the ship listed and the sea reached the upper decks. Survivors reported that water flowed down from ceiling panels, stairwells and along corridors from decks that were not yet underwater. This contributed to the rapid sinking.[4]: 138  A mayday was communicated by the ship's crew at 01:22, but did not follow international formats. Estonia directed a call to Silja Europa and only after making contact with her did the radio operator utter the word "Mayday". The radio operator on Silja Europa, chief mate Teijo Seppelin, replied in English: "Estonia, are you calling mayday?" After that, the voice of third mate Andres Tammes took over on Estonia and the conversation shifted to Finnish.[10]

Tammes was able to provide some details about their situation but, due to a loss of power, he could not give their position, which delayed rescue operations somewhat. Tammes would later die in the sinking. Some minutes later, power returned (or somebody on the bridge managed to lower him or herself to the starboard side of the bridge to check the marine GPS, which will display the ship's position even in blackout conditions), and the Estonia was able to radio its position to Silja Europa and Mariella. After that, Estonia sent their last radio message saying: "Todella paha, todella pahalta näyttää nyt tässä kyllä" (in English: "Really bad, it's looking really bad right now.") The ship disappeared from the radar screens of other ships at around 01:50,[4]: 138  and sank at 59°23′N 21°41′E / 59.383°N 21.683°E / 59.383; 21.683 in international waters, about 22 nmi (41 km) on bearing 157° from Utö island, Finland, to a depth of 74 to 85 m (245 to 280 ft) of water. According to survivor accounts, the ship sank stern first after taking a list of 90 degrees.

Rescue effort

Search and rescue followed arrangements set up under the 1979 International Convention on Maritime Search and Rescue (the SAR Convention), and the nearest Maritime Rescue Co-ordination Centre MRCC Turku coordinated the effort in accordance with Finland's plans. The Baltic is one of the world's busiest shipping areas, with 2,000 vessels at sea at any time, and these plans assumed the ship's own boats and nearby ferries would provide immediate help and that helicopters could be airborne after an hour. This scheme had worked for the relatively small number of accidents involving sinkings, particularly as most ships have few people on board.[11]

Super Puma OH-HVG of the Finnish Border Guard flying

Mariella, the first of five ferries to reach the scene of the accident, arrived at 02:12.[1] MRCC Turku failed to acknowledge the Mayday immediately and Mariella's report was relayed by Helsinki Radio as the less urgent pan-pan message. A full-scale emergency was only declared at 02:30. Mariella winched open liferafts into the sea onto which 13 people on Estonia's rafts successfully transferred, and reported the location of other rafts to Swedish and Finnish rescue helicopters, the first of which arrived at 03:05. The former took survivors to shore, while the latter—Finnish border guard helicopters Super Puma OH-HVG and Agusta Bell 412 OH-HVD—chose the riskier option of landing on the ferries. The pilot of OH-HVG stated that landing on the ferries was the most difficult part of the whole rescue operation; despite that, this single helicopter rescued 44 people, more than all the ferries. MS Isabella saved 16 survivors with its rescue slide.

Victims

Nationalities Missing Survivors Identified
bodies		 Total
 Sweden 461 51 40 552
 Estonia 237 62 47 347
 Latvia 19 6 4 29
 Russia 10 4 1 15
 Finland 9 3 1 13
 Norway 6 3 0 9
 Germany 4 3 1 8
 Denmark 5 1 0 6
 Lithuania 3 1 0 4
 Morocco 2 0 0 2
 Netherlands 1 1 0 2
 Ukraine 1 1 0 2
 United Kingdom 1 1 0 2
 Belarus 1 0 0 1
 Canada 1 0 0 1
 France 1 0 0 1
 Nigeria 1 0 0 1
Total 757 137 94 989

Of the 989 on board, 138 were rescued, one of whom died later in hospital.[1] Ships rescued 34 and helicopters 104; the ferries played a much smaller part than the planners had intended because it was too dangerous to launch their man-overboard (MOB) boats or lifeboats. The accident claimed 852 lives. Most died by drowning and hypothermia, as the water temperature was 10–11 °C (50–52 °F).

One of the victims of the sinking was the Estonian singer Urmas Alender. In total, 94 bodies were recovered: 93 within 33 days of the accident, and the last victim was found 18 months later.[1] By the time the rescue helicopters arrived, around a third of those who escaped from the Estonia had died of hypothermia, while fewer than half of those who had managed to leave the ship were eventually rescued.[1] The survivors of the shipwreck were mostly young males with strong constitutions. Seven over 55 years of age survived and there were no survivors under age 12. About 650 people were still inside the ship when it sank.[JAIC 1] The commission estimated that up to 310 passengers reached the outer decks, 160 of whom boarded the life-rafts or lifeboats.[12]

Official investigation and report

The wreck was examined and videotaped by remotely operated underwater vehicles and by divers from a Norwegian company, Rockwater A/S, contracted for the investigation work.[JAIC 3] The official report indicated that the locks on the bow door had failed from the strain of the waves and the door had separated from the rest of the vessel, pulling the ramp behind it ajar.[JAIC 4] The bow visor and ramp had been torn off at points that would not trigger an "open" or "unlatched" warning on the bridge, as is the case in normal operation or failure of the latches. The bridge was also situated too far back on the ferry for the visor to be seen from there.[JAIC 5] While there was video monitoring of the inner ramp, the monitor on the bridge was not visible from the conning station.[JAIC 6] The bow visor was under-designed, as the ship's manufacturing and approval processes did not consider the visor and its attachments as critical items regarding ship safety.[4]: 139  The first metallic bang was believed to have been the sound of the visor's lower locking mechanism failing, and that the subsequent noises would have been from the visor 'flapping' against the hull as the other locks failed, before tearing free and exposing the bow ramp.[4]: 139–140  The subsequent failure of the bow ramp allowed water into the vehicle deck, which was identified as the main cause of the capsizing and sinking:[4]: 139  RORO ferries with their wide vehicle decks are particularly vulnerable to capsizing if the vehicle deck is even slightly flooded because of free surface effect: the fluid's swirling motion across such a large area hampers the boat's ability to right itself after rolling with a wave. The same effect had caused the capsizing of MS Herald of Free Enterprise seven years earlier.

The report was critical of the crew's actions, particularly for failing to reduce speed before investigating the noises emanating from the bow, and for being unaware that the list was being caused by water entering the vehicle deck.[4]: 142  There were also general criticisms of the delays in sounding the alarm, the passivity of the crew, and the lack of guidance from the bridge.

Recommendations for modifications to be applied to similar ships included separation of the condition sensors from the latch and hinge mechanisms.[JAIC 7]

Changes stemming from the disaster

In 1999, special training requirements in crowd and crisis management and human behaviour were extended to crew on all passenger ships, and amendments were made to watch-keeping standards.[13] Estonia's distress beacons or EPIRBs required manual activation, which did not happen. Had they been activated automatically, it would have been immediately obvious that the ship was in distress and the location would have been clear. All EPIRBs were subsequently required to deploy automatically and the accident was "instrumental in the move to legislate Voyage Data Recorders".[14] New International Maritime Organization (IMO) Safety of Life at Sea (SOLAS) liferaft regulations for rescue from listing ships in rough water were introduced.[15]

New designs, the "citadel concept" once again influenced by Estonia, aim to ensure damaged ships have sufficient buoyancy to remain afloat, though cost will determine if any are built. SOLAS 90, which came into effect in 2010, specifies existing passenger ships' stability requirements and those in North West Europe must also be able to survive 50 cm (20 in) of water on the car deck.[16]

2020 investigation

On 28 September 2020, a Swedish documentary was released which used underwater equipment to film the wreck. This investigation found a 4-metre hole in the ship's hull. This prompted the Estonian prime minister and foreign minister to meet with their Swedish and Finnish equivalents and announce that a "new technical investigation" would take place.[17]

The head of the Estonian investigation stated publicly that he believes this new information points to a collision with a submarine and that the hole could not have happened post-sinking.[18] In October 2020, the Estonian government published a report stating that the hole was too small to have sunk the ship as quickly as it did.[19] The Swedish documentary makers were prosecuted for violating the sanctity of the wreck, but were acquitted on 8 February 2021 as the diving happened on a German ship in international waters. Germany had not signed the treaty that declares sanctity over the site.[20] However, as a result of a retrial in September 2022, the filmmakers were finally found guilty and fined.[21]

By June 2021, laws allowing the examination of the wreck for investigation of the disaster were passed in the Swedish and Estonian Parliaments.[22][23] Shortly after, the Swedish Accident Investigation Authority announced their plan to conduct dives at the grave site starting July 2021.[24] In July 2023, the car ramp was retrieved.[25]

2023 Intermediate Report

Between 2021 and 2022, Estonian, Finnish and Swedish authorities carried out comprehensive wreck surveys[26] using cameras, 3D photogrammetry, 3D laser scanners, and shallow- and mid-penetration sub-bottom profilers, among other equipment. This was to identify the cause of penetrating deformation(s) to the hull of MV Estonia and assess whether the safety investigation of the sinking should be re-opened.

In January 2023, the Swedish Accident Investigation Authority (SHK) released the Intermediate Report of the Preliminary Assessment of MS Estonia[27] following the joint investigation. According to the report, there was "no indication of a collision with a vessel or a floating object", neither was there "indication of an explosion in the bow area".[27][28] Also an oil leak was found on the hull's aft section and that the Finnish Border Guard is monitoring the leakage.[29]

It was also concluded that the ship was "not seaworthy" and its Certificate of Seaworthiness, issued 28 January 1993, was incorrect, because

  • an inspection of the bow parts following regulations, which would have led to the discovery of the flaws in the visor, was not performed, and
  • the exemption regarding the location of the bow ramp as the upper extension of the collision bulkhead was not recorded in certificates.

The report also concluded that if the inspection was performed and the exemption noted, "the vessel would not have been trading the Tallinn–Stockholm route", and "the accident would probably not have occurred".

Effects of the disaster

The disaster had a major impact on ferry safety, leading to changes in safety regulations as well as in life-raft design,[30] much as the RMS Titanic disaster did in 1912.

Conspiracy theories

Conspiracy theories exist about the cause of the sinking. German journalist Jutta Rabe and the British magazine New Statesman claim that laboratory tests on debris recovered illegally from Estonia's bow yielded trace evidence of a deliberate explosion, which they allege was concealed by the Swedish, British, and Russian governments to cover up an intelligence operation smuggling military hardware via the civilian ferry.[31] Members of the Joint Accident Investigation Commission denied these claims, saying that the damage seen on the debris occurred during the visor's detachment from the vessel. The JAIC cited results from Germany's Federal Institute for Materials Research and Testing, which found that Jutta Rabe's samples did not prove an explosion occurred.[32]

Transportation of military equipment

In the autumn of 2004, a former Swedish customs officer claimed on Sveriges Television that Estonia had been used to transport former Soviet military equipment in September 1994.[33] The Swedish and Estonian governments subsequently launched separate investigations, which both confirmed that non-explosive military equipment was aboard the ship on 14 and 20 September 1994. According to the Swedish Ministry of Defence, no such equipment was on board on the day of the disaster, and previous investigations by the Swedish Customs Service found no reports of any anomalous activity around the day of the disaster.[34][35]

Protection of the wreck

Estonia memorial in Tallinn
Estonia memorial in Stockholm

In the aftermath of the disaster, many relatives of the deceased demanded that their loved ones be raised from international waters and given a land burial. Demands were also made that the entire ship be raised so that the cause of the disaster could be discovered by detailed inspection.[36][4]: 140  Citing the practical difficulties and the moral implications of raising decaying bodies from the sea floor (the majority of the bodies were never recovered), and fearing the financial burden of lifting the entire hull to the surface and the salvage operation, the Swedish government suggested burying the whole ship in situ with a shell of concrete.[37][38]

As a preliminary step, thousands of tons of pebbles were dropped on the site.[4]: 140  The Estonia Agreement 1995, a treaty among Sweden, Finland, Estonia, Latvia, Poland, Denmark, Russia and the United Kingdom, declared sanctity over the site, prohibiting their citizens from even approaching the wreck.[39] The treaty is, however, only binding for citizens of the countries that are signatories. At least twice, the Swedish Navy has discovered diving operations at the wreck. The wreck's location is monitored on radar by the Finnish Navy.[40]

Media

The sinking of the Estonia has been the subject of a number of documentaries in addition to the feature film Baltic Storm, including:

  • History Channel: Sinking of the Estonia
  • Zero Hour: The Sinking of the Estonia (2006)
  • Built from Disaster: Ships (2009)[41]
  • Discovery Plus: Estonia (2020)[42]

It was also mentioned in the Swedish film Force Majeure.[43]

Estonia, a Finnish eight-part television series about the MS Estonia's accident, produced by Fisher King company, is being worked on for the Nordic streaming service C More. According to the creators behind the series, the effort will be the most expensive drama series ever produced in Finland.[44][45]

In addition, the disaster has inspired several musical works:

See also

References

  1. 1 2 3 4 5 Soomer, H.; Ranta, H.; Penttilä, A. (2001). "Identification of victims from the M/S Estonia". International Journal of Legal Medicine. 114 (4–5): 259–262. doi:10.1007/s004140000180. PMID 11355406. S2CID 38587050.
  2. ↑ Boesten, E. (2006): The M/S Estonia Disaster and the Treatment of Human Remains. In: Bierens, J.J.L.M. (ed.): Handbook on Drowning: 650–652. ISBN 978-3-540-43973-8.
  3. ↑ "Estonia shipwreck investigator and nautical linguist Captain Uno Laur dies". ERR. 8 October 2018. Retrieved 23 March 2019.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Whittingham, Robert B. (2004). "Design errors". The Blame Machine: why human error causes accidents. Oxford: Elsevier Butterworth-Heinemann. ISBN 0-7506-5510-0.
  5. ↑ "921 may have perished in Estonia" (in Swedish). Helsingborgs Dagblad. 27 September 2004. Archived from the original on 18 October 2014.
  6. ↑ "Windschaal van Beaufort" (in Dutch). KNMI (Royal Netherlands Meteorological Institute. 3 December 2023.
  7. ↑ "Beaufort wind force scale". MetOffice. 3 December 2023.
  8. ↑ "Wave height records in the Baltic Sea". Finnish Meteorological Institute. Archived from the original on 30 September 2009.
  9. 1 2 "Ventusky - Wind, rain and temperature maps". Ventusky. Retrieved 25 February 2021.
  10. ↑ "Estonia final report. 2.1 The Distress Communication". estoniaferrydisaster.net. Archived from the original on 4 March 2016. Retrieved 24 June 2018.
  11. ↑ HELCOM reports a noticeable drop in shipping accidents in the Baltic Archived 27 December 2007 at the Wayback Machine. Retrieved 21 October 2007
  12. ↑ "Improving passenger ship safety" (PDF). Directorate-General for Transport and Energy (European Commission). Archived from the original (PDF) on 28 February 2008. Retrieved 30 September 2007.
  13. ↑ "Passenger information required on all passenger ships from 1 January 1999". International Maritime Organization. Archived from the original on 12 November 2007. Retrieved 21 October 2007.
  14. ↑ Simplified Voyage Data Recorders– Why choose float free Archived 12 November 2007 at the Wayback Machine. Retrieved 22 October 2007
  15. ↑ Liferaft Systems Australia: Maib Interim Safety Recommendation on The Use of Vertical Chute Type Marine Evacuation Systems Archived 29 August 2007 at the Wayback Machine. Retrieved 21 October 2007
  16. ↑ Sturcke, James (6 March 2007). "Herald of sea changes". The Guardian. Retrieved 30 November 2007.
  17. ↑ Tambur, Silver (28 September 2020). "Documentary: MS Estonia has a large hole in the hull". Estonian World. Retrieved 28 September 2020.
  18. ↑ Kristjan Kallaste (29 September 2020). "Head of MS Estonia investigation: Estonia sank on collision with submarine". Eesti Rahvusringhääling. Retrieved 29 September 2020.
  19. ↑ "Hull damage not to blame for 1994 MS Estonia disaster: new report". euronews. 23 October 2020. Retrieved 24 April 2021.
  20. ↑ "Swedes acquitted of desecrating sunken ferry with robot dive". AP NEWS. 2021-02-08. Retrieved 2021-02-08.
  21. ↑ "Film-makers found guilty of disturbing 1994 MS Estonia ferry wreck". The Guardian. 2022-09-05. ISSN 0261-3077. Retrieved 2023-07-12.
  22. ↑ "The law allowing the examination of the Estonian wreck was passed in Parliament". 2021-06-04.
  23. ↑ Riksdagsförvaltningen (2021-06-03). "Better opportunities to investigate the sinking of the MS Estonia". riksdagen.se. Archived from the original on 2021-06-18. Retrieved 2021-06-18.
  24. ↑ "Sweden announcing plan to examine Estonia ferry wreck". The Baltic Times. 2021-06-18. Retrieved 2021-06-18.
  25. ↑ "Del fra Estonia er hentet opp – granskerne tror de finner svaret". Tu.no (in Norwegian). Teknisk Ukeblad. 25 July 2023.
  26. ↑ "Preliminary assessment of new information about the sinking of the passenger ship M/S Estonia". Statens haverikommission. Retrieved April 7, 2023.
  27. 1 2 "Intermediate Report of the Preliminary Assessment of MV Estonia" (PDF). Statens haverikommission. January 23, 2023. Retrieved April 7, 2023.
  28. ↑ "MS Estonia investigative committee rules out impact as shipwreck cause". ERR. 2023-01-23. Retrieved 2023-04-07.
  29. ↑ haverikommission, statens (2023-01-23). "Intermediate Report of the Premliminary assessment of MV Estonia" (PDF).
  30. ↑ Joughin, R.W. "The Revised SOLAS Regulations for Ro-Ro Ferries". Warsah Maritime Centre. Archived from the original on 3 April 2008. Retrieved 3 April 2008.
  31. ↑ Davis, Stephen (23 May 2005). "Death in the Baltic: the MI6 connection". New Statesman. Archived from the original on 12 July 2005. Retrieved 2013-08-19.
  32. ↑ Tukkimäki, Paavo (20 February 2001). "Finnish Estonia Commission members still reject explosion theories". Helsingin Sanomat. Archived from the original on 12 May 2011.
  33. ↑ Borgnäs, Lars (Fall 2004). "War materials smuggled on Estonia". Uppdrag granskning. Sveriges Television. Archived from the original on 13 June 2011. Retrieved 29 September 2009.
  34. ↑ "Utredningen om transport av försvarsmateriel på M/S Estonia" (in Swedish). Ministry of Defence (Sweden). 21 January 2005.
  35. ↑ "Riigikogu Committee of Investigation to Ascertain the Circumstances Related to the Export of Military Equipment from the Territory of the Republic of Estonia on the Ferry Estonia in 1994 – Final Report". Riigikogu. 19 December 2006. Archived from the original on 22 July 2011.
  36. ↑ Wallius, Anniina (29 September 2004). "Estonian tuho lietsoi salaliittoteorioita" (in Finnish). YLE. Archived from the original on 12 May 2011.
  37. ↑ "Justitieutskottets betänkande 1994/95: JuU23 Gravfrid över m/s Estonia" (in Swedish). The Riksdag. 18 May 1995.
  38. ↑ "Chapter 50: Övertäckningen stoppas". En granskning av Estoniakatastrofen och dess följder. Statens offentliga utredningar (in Swedish). Vol. SOU 1998:132. Statens offentliga utredningar.
  39. ↑ "Agreement between the Republic of Estonia, the Republic of Finland and the Kingdom of Sweden regarding the M/S Estonia". Ministry for Foreign Affairs (Sweden). 23 February 1995.
  40. ↑ Danné, Ulla; Nilsson, Birgitta /TT (18 May 1998). "Sjöfartsverket höll tyst om stoppade Estonia-dykare". Aftonbladet (in Swedish).
  41. ↑ "Built From Disaster Season 1 Episode 2: Ships". TV Guide. Retrieved 29 September 2017.
  42. ↑ "Discovery Plus: Estonia". Discovery+. Retrieved 6 April 2021.
  43. ↑ Falzon, Christopher (2017). "Experiencing Force Majeure". Film-Philosophy. 21 (3): 281–298. doi:10.3366/film.2017.0052. hdl:1959.13/1350533.
  44. ↑ M/S Estonia disaster TV series planned, billed as Finland's priciest-ever drama – Yle News
  45. ↑ Fisher King, CMore, MTV, TV4, Beta Film board Estonia series about ferry tragedy – Nordisk Film & TV Fond

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