Indian Airlines Flight 171

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Indian Airlines Flight 171
Indian Airlines Caravelle Groves.jpg
An Indian Airlines Caravelle, sister ship to the accident aircraft
Accident
Date12 October 1976
SummaryIn-flight fire due to an uncontained engine failure
Site Bombay-Santacruz Airport, Bombay, India
Aircraft
Aircraft type Sud Aviation Caravelle
Operator Indian Airlines
Registration VT-DWN
Flight origin Bombay-Santacruz Airport (now Chhatrapati Shivaji Maharaj International Airport)
Destination Madras Airport (now Chennai International Airport)
Passengers89
Crew6
Fatalities95
Survivors0

Indian Airlines Flight 171 was a Caravelle that crashed while attempting an emergency landing at Bombay Airport (now Chhatrapati Shivaji Maharaj International Airport) on 12 October 1976 after suffering an uncontained engine failure, killing all 95 people on board. Metal fatigue in the No. 2 engine's 10th stage high-pressure compressor disk had caused it to disintegrate, [1] the resulting fragments severed fuel lines causing fuel to leak into the engine and ignite causing an uncontrolled fire that eventually affected control surfaces leading to a loss of control.

Contents

Crash

Flight 171 was a scheduled domestic passenger flight from Bombay (now Mumbai) to Madras (now Chennai). A Boeing aircraft was originally supposed to make the flight but it developed engine trouble and was replaced with a Sud Aviation Caravelle. [2] Shortly after takeoff from runway 27, Flight 171 suffered a No. 2 engine failure. The crew of Flight 171 immediately turned back to attempt an emergency landing on Bombay Airport's runway 09. With its undercarriage down approximately 1,000 yards (3,000 ft; 910 m) from the end of the runway and while at an altitude of 300 feet (91 m), the aircraft suffered a loss of control and plummeted into the ground. Everyone on board Flight 171 perished in the accident. [1] [3]

Cause

A fatigue crack in the tenth stage compressor disc caused a power plant failure which was followed by the bursting of the compressor casing and the cutting of fuel lines that spanned the structure. This caused an intense in-flight fire in the engine bay. It is believed the fire consumed the Caravelle's supply of hydraulic fluid and this was the cause of the aircraft going out of control. [4]

Passengers

Indian actress Rani Chandra died in the accident while actor Jeetendra had planned to board the airliner but cancelled. The actor said that because it was Karwa Chauth, his wife asked him to delay his trip, but Jeetendra decided to head to the airport anyway. After reaching the airport, he realised that the flight was late and decided to go back home to help his wife break her fast. Subsequently, his wife did not allow him to return to the airport, and hours later he read that the plane had burst into flames mid-air. [5]

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References

  1. 1 2 Ranter, Harro. "ASN Aircraft accident Sud Aviation SE-210 Caravelle VI-N VT-DWN Bombay-Santacruz Airport (BOM)". aviation-safety.net. Retrieved 30 June 2019.
  2. Jet crash kills 95 in Bombay [ dead link ]
  3. "Air crash in India kills 95". St. Petersburg Times. Associated Press. 12 October 1976. Retrieved 30 June 2019 via Google News.
  4. Gero, David (1996). Aviation Disasters Second Edition. Patrick Stephens Limited. p. 139.
  5. "Ranichandra". en.msidb.org. Malayalam Music and Movie Encyclopedia. Retrieved 24 April 2020.