Malaysian Airline System Flight 684

Malaysian Airline System Flight 684 was an international flight from Singapore Changi Airport, Singapore to Subang International Airport, Kuala Lumpur, Malaysia. On 18 December 1983 the Airbus A300 operating the flight crashed 2 km short of the runway at Kuala Lumpur Airport, Malaysia with no fatalities among the 247 passengers and crew.[1][2]

Malaysian Airline System Flight 684
OY-KAA, the A300 involved in the accident, photographed in April 1982
Accident
Date18 December 1983 (1983-12-18)
SummaryControlled flight into terrain caused by pilot error in inclement weather
SiteSubang International Airport (SZB/WMSA), Malaysia
3°9′12.54″N 101°32′10.98″E
Aircraft
Aircraft typeAirbus A300B4-120
Aircraft nameStig Viking
OperatorMalaysian Airline System on behalf of Scandinavian Airlines
RegistrationOY-KAA
Flight originSingapore-Changi International Airport (SIN/WSSS), Singapore
DestinationSubang International Airport (SZB/WMSA), Malaysia
Occupants247
Passengers233
Crew14
Fatalities0
Survivors247

Accident

Malaysian Airline System Flight 684 departed Singapore Changi Airport in Changi, Singapore on 18 December 1983 at 18:53 local time. As the flight approached Subang International Airport (now Sultan Abdul Aziz Shah Airport) in Subang, Selangor, Malaysia at 19:20 local time, it was cleared for an instrument landing despite poor runway visibility of 450 m (1,480 ft) due to rain. Airline policy required visibility of at least 800 m (2,600 ft), but the pilot assumed control from the first officer and began his descent. Furthermore, the air crew did not turn on the Instrument Landing System on the aircraft due to increased workload which was exacerbated further due to the different cockpit switch configuration between the A300 owned by Malaysia Airlines & that of the crashed aircraft, which was leased from Scandinavian Airlines System.[3]

The altimeter warning sounded and within 30 seconds the aircraft struck trees 2 km (1.2 mi) short of the runway. The plane slid along the ground for 436 m (1,430 ft), skipped for 36 m (118 ft), and finally struck a stream embankment where it slid another 109 m (358 ft) before coming to rest. The aircraft was still 1,200 m (3,900 ft) short of the runway and had lost its landing gear and both engines.[1]

All 247 passengers and crew survived, evacuating the aircraft before the fire destroyed it.

Probable cause

The probable cause was ascribed to pilot error in not monitoring descent rate during approach in Instrument Meteorological Conditions (IMC) and continuing an approach below company minima without sighting the runway.[4]

gollark: Plus, uptime.
gollark: It feels inelegant.
gollark: I can't find the terminal gear, my SSH (well, mosh) session is *entirely* dead, and the status page has just given up.
gollark: Ah. Well. This is problematic.
gollark: By which I mean go downstairs and find my spare keyboard/small screen.

References
  1. Jon Livesey (17 July 2014). "Curse of Malaysia Airlines? 5 tragic moments in airline's history before MH17 and MH370". Daily Mirror.
  2. "Accidents and incidents of Malaysia Airlines". China Daily. 8 March 2014.
  3. The Naked Pilot: The Human Factor In Aircraft Accidents, David Beatty
  4. "Malaysia Airlines Flight 684". ASN. Retrieved 1 February 2014.
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