The Boeing 737 as it came to rest after impacting the shallow waters
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| Accident | |
|---|---|
| Date | 13 April 2013 (2013-04-13) |
| Summary | Crashed into the sea on approach; controlled flight into water; failed go-around attempt |
| Site | Off Ngurah Rai International Airport, Denpasar, Bali, Indonesia 8°44′57″S 115°8′29″E / 8.74917°S 115.14139°E / -8.74917; 115.14139 |
| Aircraft | |
| Aircraft type | Boeing 737-8GP |
| Operator | Lion Air |
| IATA flight No. | JT904 |
| ICAO flight No. | LNI904 |
| Call sign | LION INTER 904 |
| Registration | PK-LKS |
| Flight origin | Husein Sastranegara International Airport, Bandung, Indonesia |
| Destination | Ngurah Rai International Airport, Denpasar, Indonesia |
| Occupants | 108 |
| Passengers | 101 |
| Crew | 7 |
| Fatalities | 0 |
| Injuries | 46 |
| Survivors | 108 |
Lion Air Flight 904 was a scheduled domestic passenger flight from Husein Sastranegara International AirportinBandungtoNgurah Rai International AirportinBali, Indonesia. On April 13, 2013, the Boeing 737-800 operating the flight crashed into water short of the runway while on final approach to land. All 101 passengers and 7 crew on board survived the accident. At 3:10 pm, the aircraft crashed approximately 1.1 kilometres (0.6 nmi) short of the seawall protecting the threshold of Runway 09. The aircraft's fuselage broke into two and 46 people were injured, 4 of them seriously.[1][2]
Among the findings contained in the final investigation report was that the crew continued the approach in adverse weather conditions beyond the point at which the approved procedure would have required to abort the landing. The subsequent attempt to go around was made too late to avoid the impact with the sea. There were no issues with the aircraft and all systems were operating normally.
The aircraft involved was a month-old Boeing 737-8GP, manufactured in 2013, with registration and serial number PK-LKS and 38728 respectively. The aircraft was powered by two CFM International CFM56-7B24E engines.[3]: 9
There were two pilots and 5 flight attendants with 101 passengers on board consisting of 95 adults, 5 children and 1 infant. 97 passengers were Indonesians, one French, one Belgian, and two Singaporeans. 6 of the crew were Indonesian while one came from India.[4]
The captain was 48-year-old Mahlup Ghazali, an Indonesian national who joined Lion Air in 2013 and had logged 15,000 hours of flight experience, including 6,173 hours on the Boeing 737.[3][5] The first officer was 24-year-old Chirag Kalra, an Indian national who had 1,200 flight hours, with 973 of them on the Boeing 737.[3][6]
The Indonesian National Transportation Safety Committee (NTSC) published a preliminary report on 15 May 2013. Flight data showed that the aircraft continued to descend below the minimum descent altitude (MDA), which is 142 metres (466 ft) above ground level (AGL). The report found that at 270 metres (890 ft) AGL, the first officer reported that the runway was not in sight. At approximately 46 metres (151 ft) AGL, the pilot again stated he could not see the runway. Flight data showed that the pilots attempted to perform a go-around at approximately 6 metres (20 ft) AGL, but contacted the water surface moments later. The captain's go around decision came far too late. The bare minimum altitude for a 737 go around is 15 metres (49 ft), as 9 metres (30 ft) of altitude is lost when executing the manoeuvre.[7] There has been no indication that the aircraft suffered any mechanical malfunction.[8] A final report was published in 2014.[3]
In January 2017, Budi Waseso, the chief of Indonesia's national narcotics agency, alleged that the pilot of Lion Air Flight 904 was under the influence of drugs at the time of the accident, and had hallucinated that the sea was part of the runway. That claim directly contradicted the statement made after the accident by Indonesia's transport ministry, which said the pilots had not tested positive for drugs.[9]
The NTSC concluded that the flight path became unstable below minimum descent altitude with the rate of descent exceeding 300 metres per minute (1,000 ft/min). Analysis of the pitch angle versus engine power based on the flight data recorder,[3]
indicated that the basic principle of jet aircraft flying was not adhered during manual flying.
The flight crew lost situational awareness and visual references as the aircraft entered a rain cloud during the final approach below minimum descent altitude. The Captain's go-around decision and execution was conducted at an altitude which was insufficient for it to be executed successfully. The pilots were not provided with timely and accurate weather information considering the weather around the airport and particularly on final approach was changing rapidly.[3]
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Aviation accidents and incidents in 2013 (2013)
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Jan 16 Jan 29 Feb 13 Feb 26 Mar 4 Compagnie Africaine d'Aviation crash Mar 8 Alaska Central Express Flight 51 Mar 21 Apr 7 Helicópteros del Pacífico Mil Mi-8 crash Apr 13 Apr 29 May 16 Jun 10 Merpati Nusantara Airlines Flight 6517 Jun 29 2013 Eberswalde-Finow Zlin crash Jul 1 Evo Morales grounding incident Jul 2 Jul 6 Jul 7 Jul 22 Aug 9 Ethiopian Air Force An-12 crash Aug 14 Aug 23 Oct 3 Associated Aviation Flight 361 Oct 16 Nov 17 Nov 19 Nov 29 LAM Mozambique Airlines Flight 470 Nov 29 | |
Indonesia
