The Plane Accident Investigation Bureau (AAIB) preliminary report on the Air India AI171 crash on June 12 has made aviation consultants name for the discharge of the cockpit voice recording (CVR) and flight knowledge recorder (FDR) to make clear the explanations behind the engines shutting down after gasoline provide was lower off.
Questions are additionally being raised concerning the Federal Aviation Administration (FAA) Particular Airworthiness Data Bulletin (SAIB) No. NM-18-33, issued in December 2018, which flagged the potential disengagement of the gasoline management swap locking function in Boeing plane, together with the B787-8 fitted with comparable half numbers.
The AAIB report additionally mentions the FAA Bulletin, including that “As per the knowledge from Air India, the instructed inspections weren’t carried out because the SAIB was advisory and never necessary.”
“The CCTV photographs supplied within the AAIB report should not timestamped, they usually haven’t made public the CVR and FDR to determine what occurred. It’s a level of suspicion,” mentioned Amit Singh, aviation security professional and founding father of the Security Issues Basis.
He additional says that the FAA bulletin was advisory, however Air India didn’t test the potential disengagement of the gasoline management swap locking function in Boeing plane, citing that it was not necessary.
“The advisory implies that the airline doesn’t need to rush to conduct the checks however does it over time. It is sort of a police advisory to not go to a prohibited space, however in case you accomplish that and one thing occurs, it’s at your personal threat,” Singh tells Enterprise At present.
The AAIB report on the FAA advisory famous that scrutiny of upkeep data revealed that the throttle management module was changed on VT-ANB in 2019 and 2023. Nevertheless, the explanation for the alternative was not linked to the gasoline management swap. There was no defect reported pertaining to the gasoline management swap since 2023 on VT-ANB.
Sanjay Lazar, an aviation professional and CEO of Avialaz Consultants, says the report raises extra questions than it solutions. “It’s regrettable that all the CVR transcript was not launched by the AAIB. With out a thorough investigation being accomplished, how might the AAIB have issued a line that no suggestions for Boeing or GE had been essential, actually absolving them? I’m shocked that the AAIB has actually let Boeing and GE get out of jail free.”
Calling for a deeper investigation earlier than the ultimate assertion of the report was issued by the AAIB, given the FAA advisory, he mentioned:
“I feel it’s unlucky that questions have been raised concerning the alleged actions of the pilot, particularly for the reason that CVR transcript was by no means made public and only one line of reference was made,” Lazar instructed BT.
Business veteran Captain Shakti Lumba, who retired as IndiGo Vice President, emphasised the necessity for a judicial court docket of inquiry. “Going by Indian plane accident knowledge over the past 70 years (which DGCA maintains), in all accidents to industrial plane involving such a lot of fatalities, the federal government has all the time shaped a court docket of enquiry.”
