Air India replaced the Throttle Control Module (TCM) of the crashed Boeing 787-8 plane twice in the last six years following a directive from Boeing in 2019, sources said on Sunday. The replacement of the TCM twice -- in 2019 and 2023 -- was mentioned in the Aircraft Accident Investigation Bureau's (AAIB) preliminary probe report into the crash that was released on Saturday.
Of these, as many as seven are Level-1 violations, which are considered critical safety risks and require immediate corrective action by the air operator, they said.
'The switch can't be shut off by an accidental brush of the hand, but needs effort, conscious physical action to operate it.' 'Was it the software of the aeroplane that caused the switch to turn off?' 'Was it the hardware of the aeroplane?' 'Was it both software and hardware put together?'
The US blockade on Iranian ports is aimed to curb Iranian energy exports, thereby crippling its economy to force Iran back to the negotiating table, points out Commodore Venugopal Menon (retd).
The Supreme Court has criticized the selective publication of a preliminary report on the Air India crash, calling it 'unfortunate and irresponsible'. The court raised concerns about privacy, dignity of victims' families, and the potential for biased narratives.
Aviation expert Captain Mohan Ranganathan claims human error led to the Air India plane crash and calls for more transparency in the AAIB's preliminary report.
The DGCA has asked airlines to inspect the fuel switch locking system in their Boeing 787 and 737 planes after a preliminary probe report into the Air India crash found that the switches were cut off before the accident.
Chief Minister Bhupendra Patel met the family members of Rupani and informed them about the DNA match, state Health Minister Rushikesh Patel said.
Union minister Murlidhar Mohol addressed the preliminary report on the Ahmedabad plane crash, urging caution and emphasizing the need for further investigation.
Pilots typically operate the fuel control switches during two key phases: At engine start-up on the ground and during engine shutdown after landing.
Addressing close to 700 employees and the leadership team across the Air India headquarters and Air India Training Academy in Gurugram, Chandrasekaran urged them to stay on course, terming the accident the most "heartbreaking" crisis of his career.
'In multi-pilot operations, no critical switch can be moved without the other pilot's consent.'
'The AAIB will collect every single retrievable piece of the aircraft and transport it to a secure location -- usually a large hangar capable of housing a Boeing 787.' 'The entire aircraft will be laid out, each part marked and tagged, and practically rebuilt like a jigsaw puzzle.'
The episode has been classified as an 'accident' as it has left serious injuries on passengers and crew members, the sources mentioned.
'The overall well-being of the pilots should be at the top of any airline's agenda in such situations.'
'We will continue supporting those affected long after the work in Ahmedabad is done.'
A trainee pilot was killed when a trainer aircraft crashed into a residential area in Gujarat's Amreli district on Tuesday afternoon. The plane, belonging to a private aviation academy, caught fire after crashing into a tree and then an open plot. The pilot was flying solo and the aircraft had taken off from the Amreli airport. The cause of the crash is under investigation.
A preliminary investigation into the Air India Flight 171 crash in Ahmedabad reveals that both fuel switches were cut off before the crash, followed by pilot confusion. The report also indicates that fuel samples were satisfactory and no immediate action is recommended for Boeing 787-8 operators.
Prime Minister Narendra Modi expressed grief over the untimely death of Maharashtra Deputy Chief Minister Ajit Pawar in a plane crash, praising his grassroots connection and dedication to serving the people.
After chairing an emergency meeting with senior officials to discuss the situation, Chief Minister Pushkar Singh Dhami said that heli services on the Char Dham route will remain suspended for two days, as the weather is bad and the safety of the passengers is the government's top priority.
In one of the frames of the chilling video, a woman is seen trying to climb down from the balcony with the support of mere railings with huge flames emanating from the crash site just metres away.
The process of identification of victims by matching the DNA samples is currently underway, and the bodies will be handed over to their relatives once the process is complete.
Pilot groups have accused the AAIB of portraying the pilots as responsible for the incident, with vague and selective presentation of cockpit conversations.
"Decoding of the black box is going to give in-depth insight into what happened moments before the plane crash," Civil Aviation Minister K Rammohan Naidu said at a briefing in the national capital.
'They will cover up the failures of all the others.'
The ministry of civil aviation clarified that, contrary to circulating reports, a video recorder that had been recovered at the crash site was not the DFDR.
The Aircraft Accident Investigation Bureau (AAIB) is expected to release its preliminary report this week on the Air India plane crash in Ahmedabad, which resulted in the deaths of at least 260 people. The investigation is ongoing, with the help of foreign experts, and the black box and voice recorder data are being analyzed.
The truth about what triggered the fatal crash of the Dreamliner should not only help bring the guilty to book, but also outline the future course of action in aviation safety, notes Nivedita Mookerji.
When specifically asked about the reason for the crash and whether Air India is privy to any preliminary findings, Chandrasekaran said, "One would have to wait for the probe to conclude."
'When there are glaring errors in the report, how can you trust anything in it?'
The recent helicopter crash near Kedarnath, in which seven lives were lost, has proven yet again that aviation regulatory authorities have not learnt lessons from similar air mishaps in the challenging Kedar valley and have done little to improve flying conditions.
'If anything happened out of the normal, there would be instantaneous ECAM, EICAS warnings, the master caution or master warnings going off.' 'It would be like a Christmas tree in the cockpit if things start going wrong.'
The DGCA directive called for a series of specific checks before each flight's departure from India, including inspection of fuel parameter monitoring systems, cabin air compressors, and electronic engine control units.
The pilot and co-pilot of an Air India plane involved in Wednesday night's freak accident at the Mumbai airport where a technician died after getting sucked into the engine have been grounded even as the Aircraft Accident Investigation Bureau launched a probe.
'Who tried engine relight?' 'If the first officer was the one flying at takeoff, the captain may have taken control immediately post-thrust loss.' 'But the AAIB report doesn't clarify any of this.'
'In 50 seconds, the pilots were fighting drag, trying relight, throttling up and avoiding obstacles.' 'They had neither height nor speed. There was no margin.'
60 years ago, on January 24, 1966, Dr Homi J Bhabha, the father of India's nuclear programme, died in an air crash on Mont Blanc. The official inquiry said the plane went off course in bad weather, but coincidences, missing evidence, and later unproven claims have kept conspiracy theories alive. A fascinating excerpt from Bakhtiar Dadabhoy's book, Homi J Bhabha: A Life.
'In those 10 seconds, they even made a MAYDAY call -- which is only issued in case of a serious, imminent emergency.'
Along with IAF officials, the AAIB will also reach out to experienced private sector executives, meteorologists, and aviation psychologists to be part of the probe.
'Visualise those 15 to 18 seconds: Fully loaded aircraft, pilot manually controlling with both hands (no autopilot immediately after takeoff), looking forward while switches are behind.'