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Air India Flight 171

12 Jun 2025 · B. J. Medical College, Ahmedabad, Gujarat, India

Boeing 787-8 Dreamliner · Crashed shortly after takeoff; fuel cutoff causing both engines to shut down; under investigation

From Sardar Vallabh Patel International Airport (AMD) to London Gatwick Airport (LGW)

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Event

NTSB case
DCA25WA232
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Unknown · led by another country; figures from NTSB notifications
Event fatalities
260 · all aircraft and ground
Ground fatalities
19
Occupants
242
Survivors
1
InjuriesFatal: death within 30 days. Serious: over 48 hours in hospital within a week, most broken bones, severe bleeding, nerve or organ damage, or serious burns. Minor: anything less. Glossary
68 · 67 on the ground
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
Airline
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Not recorded

Boeing 787-8 Dreamliner

Flight
AI171
Aircraft type
Boeing 787
Category
Airplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
VT-ANB
Operator
Air India
Onboard fatalities
241
Route
From Sardar Vallabh Patel International Airport (AMD)To London Gatwick Airport (LGW)
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Non-U.S., Commercial
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Takeoff
Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
Loss of lift
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Substantial

Cause areas

No findings designated as a cause are recorded in the NTSB data yet.

Approximate · Coordinates from the Wikipedia article; not checked against an investigation report.

From the Wikipedia article

Air India Flight 171 was a scheduled international passenger flight from Ahmedabad Airport, Gujarat, India, to London Gatwick Airport in Crawley, West Sussex, England. On 12 June 2025, at 13:39 IST (08:09 UTC), the Boeing 787-8 Dreamliner operating the flight crashed 32 seconds after takeoff into the student hostels of the Byramjee Jeejeebhoy Medical College, 0.9 nmi (0.9 nmi; 0.9 nmi) from the runway. Of the 12 crew members and 230 passengers on board, only one passenger survived. On the ground, 19 people were killed, and 67 others were seriously injured.

The aircraft was destroyed, and several college buildings were severely damaged by the impact and subsequent fire. This was the first fatal accident and hull loss involving a Boeing 787 since the type entered service in 2011.

A preliminary report was released on 12 July 2025 by India's Aircraft Accident Investigation Bureau (AAIB), with the aircraft's front enhanced airborne flight recorder indicating that the crash was caused by the loss of thrust in both engines after their fuel control switches transitioned from RUN to CUTOFF three seconds after liftoff. In July 2026, the AAIB estimated that a draft final report would be completed by October 2026.

Accident

The aircraft was cleared for a full-length takeoff on runway 23, and lifted off at 13:38:39 IST after a 62-second takeoff roll. Surface winds were light at 6 knots, and visibility was 6 km with no significant cloud cover. The aircraft's ADS-B transponder reported a maximum pressure altitude of around 625 ft above mean sea level while climbing over the runway. Flight recorder data showed a maximum airspeed of 180 knots and a total airborne time of 32 seconds.

The aircraft began to lose altitude and crashed into the hostel block of the B. J. Medical College campus attached to the Ahmedabad Civil Hospital 0.9 nmi (0.9 nmi; 0.9 nmi) from the runway. The initial point of impact was a tree, after which the aircraft's tail struck the top of the campus canteen, with wings level and the nose pitched up by about eight degrees, causing the tail to detach. The aircraft continued breaking up as it collided with additional structures, with parts of the flight deck coming to rest approximately 650 ft from the mess hall impact site. The wreckage, from the first impact point to the last identified component, was distributed over an area approximately 1000 by 400 ft. In total, five buildings were severely damaged by the impact and subsequent fire, including student accommodation and the resident doctors' hostel.

A video recording from an airport CCTV camera looking down the runway captured the aircraft taking off, initially gaining altitude, then descending gradually. Another video taken by an aviation enthusiast about 200 m outside the airport perimeter showed it passing almost overhead just before impact. Both videos showed the aircraft sinking out of view, with fire and smoke rising from the crash site a few seconds later. According to CNN, the enthusiast later told the reporters that it had been behaving strangely, wobbling from side to side, and that the tail appeared to "sag more deeply beneath its nose" as it descended.

This was the first fatal accident and hull loss involving the Boeing 787 since it entered service in 2011.

Investigation and cause

Investigation

India's Aircraft Accident Investigation Bureau (AAIB) was tasked with the investigation of the crash. The British Air Accidents Investigation Branch dispatched a team of four investigators, and the United States National Transportation Safety Board (NTSB) sent a "go team" to assist with the investigation. The US Federal Aviation Administration (FAA) said that it "[stood] ready to launch a team immediately" in support of the NTSB. GE Aerospace, which manufactured the aircraft's engines, said it would send a team to India and analyse cockpit data.

On 13 June, the first of the aircraft's two enhanced airborne flight recorders (EAFR), each of which performs the functions of both a flight data recorder and a cockpit voice recorder, was recovered from the mess hall rooftop. The second EAFR was recovered from the crash debris on 16 June. The data from the front recorder was successfully downloaded on 24 June at the AAIB laboratory in Delhi; the rear recorder was substantially damaged, preventing data recovery via the usual methods.

India's Directorate General of Civil Aviation (DGCA) and Air India opened parallel inquiries into the accident. On 13 June, the DGCA ordered additional pre-departure technical inspections for the airline's Boeing 787 fleet, starting on 15 June. The DGCA also directed Air India to execute additional maintenance and inspections on fuel-parameter monitoring and associated systems, cabin air compressor and associated systems, electronic engine control system test, engine fuel driven actuator-operational test, and oil-system checks for the Boeing 787-8 and 787-9 aircraft in its fleet.

On 27 November, The Wall Street Journal reported tensions between American and Indian investigators stemming from the view amongst American government and industry officials that the evidence suggested the captain of the flight, Sumeet Sabharwal, deliberately crashed the airliner. On 30 January, Bloomberg News reported that according to sources close to the investigation, investigators were leaning towards the conclusion that one of the pilots had deliberately crashed the aircraft, having ruled out a mechanical failure or sabotage.

On 24 June 2026, GE Aerospace sent their engine analysis reports to the AAIB.

Text from the Wikipedia article “Air India Flight 171” (revision 1373597540, retrieved 2026-09-18) by its authors, under CC BY-SA 4.0. Extracted as plain text: references, tables, images and some sections are left out. Read the article

Sources

Wikipedia article: Air India Flight 171
Article
Air India Flight 171
Revision
1373597540 · 2026-09-06 · retrieved 2026-09-18
Wikidata
Q134880537
Licence
Text CC BY-SA 4.0, by the article's authors; Wikidata CC0; town positions GeoNames (CC BY 4.0)
NTSB record DCA25WA232
Event ID
20250612200315
Case number
DCA25WA232
Dataset
full-current
Source SHA-256
5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Where each value comes from
Record
Wikipedia article "Air India Flight 171" (page 80194626, revision 1373597540); merged with NTSB case DCA25WA232 (events / aircraft)
Date
Wikipedia infobox: date
Place and country
Wikipedia infobox: site
Map position
Wikipedia: Wikipedia article coordinates
Aircraft, operator and route
Wikipedia infobox: aircraft type, registration, operator, origin and destination; route airports from the linked airport articles' Wikidata codes (OurAirports); gaps and aircraft details from NTSB record DCA25WA232
Operation
airline flight number in the infobox
Fatalities
Wikipedia: Wikipedia infobox: total_fatalities
Ground fatalities
Wikipedia: Wikipedia infobox: ground fatalities
Summary
Wikipedia infobox: summary
Source notes (2)
  • One occurrence in two sources, merged: the Wikipedia article "Air India Flight 171" and NTSB case DCA25WA232, matched by the same aircraft registration and date. For this event outside the United States Wikipedia's values are used where the two differ; each value names its source.
  • No bulk values were replaced by the NTSB case API.