From takeoff to Could Day in 30 seconds: Air India crash report establishes sequence

From takeoff to Could Day in 30 seconds: Air India crash report establishes sequence

The AAIB report stated that the mishap occurred after each engines had shut down seconds after takeoff. Right here is the collection of developments as they occurred within the cockpit that ultimately unfolded within the crash of the Boeing Dreamliner plane

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The Plane Accident Investigation Bureau (AAIB) launched its preliminary probe report on the crash of Air India flight from Ahmedabad to London on June 12. The 15-page-long doc has make clear the flip of occasions on that fateful day that killed 260 folks.

Air India’s Boeing 787-8 airplane that was working flight AI 171 from Ahmedabad to London Gatwick on June 12, crashed seconds after takeoff.

It stated that the mishap occurred after each engines had shut down seconds after takeoff. The report additionally stated that Engine 1 and Engine 2 gas cutoff switches transitioned from RUN to CUTOFF inside one second of one another. This implies the engines of the plane had been fully starved of gas provide.

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Right here is the collection of developments as they occurred within the cockpit that ultimately unfolded within the crash of the
Boeing Dreamliner plane:

  • The plane achieved the utmost recorded airspeed of 180 Knots and instantly thereafter, the Engine 1 and Engine 2 gas cutoff switches transitioned from RUN to CUTOFF place one after one other with a time hole of 01 second

  • The Engine N1 and N2 started to lower from their take-off values because the gas provide to the engines was minimize off

  • Within the
    cockpit voice recording, one of many pilots is heard asking the opposite why he minimize off the gas provide, to which the co-pilot replied that he didn’t

  • The plane began to lose altitude earlier than crossing the airport perimeter wall

  • Enhanced Airborne Flight Recorder (EAFR) knowledge present that each engines’ N2 values handed under minimal idle pace, and the RAT hydraulic pump started supplying hydraulic energy

  • Following this, at 1:38 pm, the cutoff change of Engine 2 transitioned from CUTOFF to RUN

  • The EAFR transmission recording stopped at 1:39 pm

  • At about 1.39 pm, one of many pilots transmitted “MAYDAY MAYDAY MAYDAY”

  • The Air Visitors Management Officer (ATCO) enquired in regards to the name signal however didn’t get any response and noticed the plane crashing outdoors the airport boundary and activated the emergency response

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