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ASN Wikibase Occurrence # 229788
Last updated: 7 October 2019
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Date:10-JUL-2018
Time:09:20
Type:Silhouette image of generic B738 model; specific model in this crash may look slightly different
Boeing 737-8HG(SFP) (WL)
Owner/operator:Air India Express
Registration: VT-AXT
C/n / msn: 36331
Fatalities:Fatalities: 0 / Occupants: 82
Other fatalities:0
Aircraft damage: None
Category:Incident
Location:Mumbai-Chhatrapati Shivaji International Airport (BOM/VABB) -   India
Phase: Landing
Nature:Domestic Scheduled Passenger
Departure airport:Vijayawada Airport (VGA/VOBZ)
Destination airport:Mumbai-Chhatrapati Shivaji International Airport (BOM/VABB)
Investigating agency: AAIB India
Narrative:
Air India Express flight IX213, a Boeing 737-800 was involved in a runway excursion incident during landing at Mumbai.
Aircraft departed Vijayawada at at 07:33. The flight was uneventful till the final approach to Mumbai.
Considering the runway length available and the prevailing weather conditions the auto brakes were selected on maximum braking. The
aircraft profile in approach was normal. The flare started at the threshold and continued for 14 seconds as the aircraft was slightly high on power and there was a tail wind component of approximately 08 knots. The aircraft touched down approximately 962 meters from the runway 14 threshold at 09:20 hrs. The runway was contaminated with water patches due to prevailing moderate rain. After 03 seconds of touchdown, engine no. 2 thrust reversers were deployed but the engine no. 1 thrust reversers remained in transit since touchdown and did not deploy. The first officer immediately called out about the thrust reverser failure and not to use full reverser and use maximum manual braking. Realizing that there could be controllability issue, the PIC put the engine no. 2 thrust reversers to IDLE by lowering engine power. Power of both the engines was immediately reduced. Simultaneously recognizing that the braking action was not sufficient and the aircraft was not decelerating enough as expected, crew decided to apply manual braking. Auto brakes were disconnected and crew applied manual brakes. PIC also asked First Officer to assist him in applying maximum manual brakes to decelerate the aircraft. The rudder was utilized to effectively maintain the directional control of the aircraft. The aircraft crossed the end of runway 14 in the landing roll by approximately 5 meters before coming to a halt on the paved surface. Later the aircraft vacated the runway via taxiway E1 on its own power under guidance of a Follow Me vehicle and parked on stand V29 at 09:40.

Causes:
- The incident was caused due to prolonged flare wherein nearly 40% of the available landing distance was consumed followed by failure of Engine # 1 thrust reverser due to defective thrust reverser middle & lower actuator.
- Dynamic aquaplaning and prevalent weather conditions were contributory factors to the incident.

Sources:

http://dgca.nic.in/accident/reports/VT-AXT.pdf

Accident investigation:
cover
  
Investigating agency: AAIB India
Status: Investigation completed
Duration: 1 year and 2 months
Download report: Final report


Revision history:

Date/timeContributorUpdates
07-Oct-2019 17:52 harro Added

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