Indian Airlines Flight 257

Indian Airlines Flight IC-257
	An Indian Airlines Boeing 737-2A8 similar to the aircraft involved in the accident.
Accident
Date	16 August 1991
Summary	Controlled flight into terrain
Site	Imphal, Manipur, India ; 24°49′12″N 93°57′00″E
Aircraft
Aircraft type	Boeing 737-2A8
Operator	Indian Airlines
Registration	VT-EFL
Flight origin	Calcutta airport, Calcutta
Destination	Imphal Municipal Airport, Imphal
Passengers	63
Crew	6
Fatalities	69
Survivors	0

Indian Airlines Flight 257 was a flight on 16 August 1991 that crashed on its descent into Imphal, India, killing all 69 occupants.

Accident

The flight, operating on the Calcutta-Imphal route, crashed into Thangjing hills, about 37 kilometres (23 mi; 20 nmi) south-west of the Imphal airport. The aircraft had started the short flight from Calcutta around 12:00 pm and it began a descent into Imphal airport at around 12:41 pm. Visibility at that time was 7 kilometres (4.3 mi; 3.8 nmi). Imphal airport lost contact with the aircraft just after 12:45, at 1,500 metres (4,900 ft) altitude on the Instrument Landing System. The search and rescue efforts were hampered by bad weather conditions and a hilly and slushy terrain.[1]

Investigation

The probable cause of the crash was attributed to an "error on the part of the Pilot-in-Command in not adhering to the operational flight plan and ILS let down chart and not realizing that his early descent to 10,000 feet (3,000 m) and turning right for outbound leg without reporting overhead VOR would result in loss of time reference and as such misplace him in the hilly terrain. The Pilot-in-Command's action may have been influenced by his extreme familiarity with the terrain".[2][3]

Aftermath

Indian Airlines paid compensation to the families of the deceased at the rate of ₹500,000 Indian Rupees for each adult passenger and ₹250,000 for the one infant passenger.[4]

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References

"Accident of Indian Air Lines Aircraft near Imphal". parliamentofindia.nic.in. 18 August 1991. Retrieved 30 June 2019.
Ranter, Harro. "ASN Aircraft accident Boeing 737-2A8 Advanced VT-EFL Imphal Municipal Airport (IMF)". aviation-safety.net. Aviation Safety Network. Retrieved 30 June 2019.
"Accident to Indian Airlines Boeing 737 Aircraft VT-EFL on 16th August 1991 Near Itnphal, Manipur" (PDF). dgca.gov.in. Directorate General of Civil Aviation (India). Retrieved 25 May 2020.
"CIVIL AVIATION AIRCRAFT ACCIDENT SUMMARY FOR THE YEAR 1991" (PDF). dgca.gov.in. Directorate General of Civil Aviation (India). Retrieved 30 June 2019.

External links

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[1] "Accident of Indian Air Lines Aircraft near Imphal". parliamentofindia.nic.in. 18 August 1991. Retrieved 30 June 2019.

[2] Ranter, Harro. "ASN Aircraft accident Boeing 737-2A8 Advanced VT-EFL Imphal Municipal Airport (IMF)". aviation-safety.net. Aviation Safety Network. Retrieved 30 June 2019.

[3] "Accident to Indian Airlines Boeing 737 Aircraft VT-EFL on 16th August 1991 Near Itnphal, Manipur" (PDF). dgca.gov.in. Directorate General of Civil Aviation (India). Retrieved 25 May 2020.

[4] "CIVIL AVIATION AIRCRAFT ACCIDENT SUMMARY FOR THE YEAR 1991" (PDF). dgca.gov.in. Directorate General of Civil Aviation (India). Retrieved 30 June 2019.