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| aox
June 13, 2025, 01:45:00 GMT permalink Post: 11899914 |
The IDGA AAIB is not known for rapid response, this event is of international importance, it appears that it is being treated as such by the authorities involved. The EAFRs on the 787 will tell all soon, and we need that information, this is a globally important aircraft type.
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| DaveReidUK
June 13, 2025, 11:17:00 GMT permalink Post: 11900370 |
AFAIK , both the NTSB and UK AAIB are by now onsite to assist the investigation at the request of the Indian AIB. The suggestion that they wouldn't notice, or would be party to, funny business with the flight recorders is ridiculous. |
| Tom Bangla
June 13, 2025, 11:37:00 GMT permalink Post: 11900392 |
I think the word you are looking for is "inconceivable".
AFAIK , both the NTSB and UK AAIB are by now onsite to assist the investigation at the request of the Indian AIB. The suggestion that they wouldn't notice, or would be party to, funny business with the flight recorders is ridiculous. |
| A0283
June 14, 2025, 16:41:00 GMT permalink Post: 11901642 |
reported were India AAIB with support from NTSB, earlier report was about UK AAIB ref the 50 plus UK passengers, other report mentioned Boeing and GE supporting.
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| ATC Watcher
June 14, 2025, 17:03:00 GMT permalink Post: 11901662 |
The investigation is being led by the Aircraft Accident Investigation Bureau (AAIB) of India in accordance with ICAO Annex 13. The U.S. National Transportation Safety Board (NTSB) as the respective State of Design for the aircraft and engines is expected to participate
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| DTA
June 14, 2025, 17:15:00 GMT permalink Post: 11901671 |
AAIB (UK) Update: Air India flight AI171
A team of four investigators from the UK Air Accidents Investigation Branch (AAIB) has arrived in India. They have expertise in aircraft operations, engineering and recorded data. Their role is to provide additional support and expertise to the safety investigation being led by India\x92s Aircraft Accident Investigation Bureau.
The UK AAIB has \x91Expert\x92 status in the Indian safety investigation. In accordance with international protocols, release of information on the investigation rests solely with the Indian authorities. |
| Gupeg
June 15, 2025, 02:11:00 GMT permalink Post: 11902052 |
Re FDR and CVR, remember the 787 uses EAFR(s) instead - one in tail and one in nose.
Comments above "they will already have been read" - suggest search and read India press links, and the (new) India AAIB lab ability to read data recorders, e.g. one timed at June 15, 2025 00:08 IST. It may well be the first 'political' issue about this accident in where the recorders are sent. If India is chosen, maybe they will take their time with a new lab, and watched over by the world and other AIB representatives? I believe the investigating state 'controls the release of information' (or not). Whilst the UK AAIB are there, as their website says they have 'expert' status, which I suspect means not a lot of involvement in the politics. |
| MaxRange120
June 15, 2025, 16:11:00 GMT permalink Post: 11902597 |
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| DaveReidUK
June 15, 2025, 16:20:00 GMT permalink Post: 11902604 |
" In accordance with international protocols, release of information on the investigation rests solely with the Indian authorities. " |
| krismiler
June 21, 2025, 00:59:00 GMT permalink Post: 11907419 |
It's starting to look more like a massive electrical or computer issue which resulted in both engines failing, the landing gear may have been left down longer than normal due to startle effect.
It could be maintenance related or a latent condition in the B787 which only occurred due to the required factors all being present on this occasion i.e. the holes in the Swiss cheese all lined up. Boeing and Air India will be wanting to blame each other, hopefully having the UK AAIB involved will provide a balance as they don't have a dog in the fight. If this turns out to be another MCAS, it will be difficult for Boeing to continue in it's present form. The B787 has been beset with problems since its introduction, the B777X has had numerous issues during development and the B737 is overdue for replacement. Airlines are starting to drop Boeing due to quality, safety and delivery issues. China is on the rise and if the C919 proves itself, it might be the main alternative to the A320. Last edited by krismiler; 21st June 2025 at 01:19 . |
| Musician
June 22, 2025, 07:24:00 GMT permalink Post: 11908318 |
It's either 2 things....
1. That happens from time to time and its the way things are done in India and it's only newsworthy now by association (not causation), or 2. The DGCA need to be seen to be doing something, and that's some low hanging fruit in an otherwise vacuum of information. It's a speculation, but I'd be surprised if it didn't fit the facts. Also, we can't draw any conclusions about the accident crew; the discovery could've been incidental, or the accident crew might be affected, but the investigation is ongoing, so that's not public yet. It will be in the report, perhaps in the preliminary report even. (I expect NTSB and UK AAIB insist on a preliminary report, but who knows.) |
| InTheHighlands
July 12, 2025, 10:32:00 GMT permalink Post: 11920467 |
SLF. But I've read in full both original threads and this thread.
The Preliminary Report is written in excellent English, so I think one should pay close attention to what it says. One thing I noticed is that at the bottom of P4 NTSB are stated as "..participated in the investigation". However UK AAIB are only stated as "visited the site". My reading is that UK AAIB are not participating? Another is that some items on the timescale are v precise, others much more vague. A question : If the fuel switches were moved to cutoff, for whatever reason, what exactly would each pilot see as an EICAS warning. I'm still unclear why one pilot asked the other why he cut off - actual observation of the action, or message. |
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