ASN Aircraft accident ATR 72-600 (72-212A) VT-IYX Hubli Airport (HBX)
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Status:Accident investigation report completed and information captured
Date:Monday 14 June 2021
Time:15:03 UTC
Type:Silhouette image of generic AT76 model; specific model in this crash may look slightly different
ATR 72-600 (72-212A)
Operator:IndiGo Airlines
Registration: VT-IYX
MSN: 1552
First flight: 2019
Total airframe hrs:2454
Engines: 2 Pratt & Whitney Canada PW127M
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 7
Total:Fatalities: 0 / Occupants: 11
Aircraft damage: Substantial
Aircraft fate: Repaired
Location:Hubli Airport (HBX) (   India)
Phase: Landing (LDG)
Nature:Domestic Scheduled Passenger
Departure airport:Kannur International Airport (CNN/VOKN), India
Destination airport:Hubli Airport (HBX/VOHB), India
IndiGo flight 7979, an ATR 72-600 suffered two burst tyres on the nose landing gear while landing at Hubli Airport, India.
The captain of the flight was Pilot Flying, the copilot was Pilot Monitoring.
During approach to Hubli, the aircraft was cleared to land on runway 26. The aircraft touched down on the runway and bounced four times. All four touchdowns were hard, the first was a three point landing and on the subsequent three landings, the nose landing gear touched the runway first. After the fourth touchdown the crew initiated a go-around. During the go-around, the landing gear unsafe warning was displayed 20 seconds. However, this went unnoticed by the crew. Subsequently, when the landing gears were selected up, the landing gear unsafe indication cleared automatically. Thereafter, the aircraft climbed as per instructions of ATC Hubli and entered a holding pattern.
During the second approach to the same runway 26, when the landing gears were selected down, the landing gear unsafe warning was displayed again, which was noticed by the crew. As there were three green indications on the primary display and one red indication for the nose landing gear on on the overhead panel, the crew disregarded the unsafe indication as per QRH procedure. Checklists were carried out and the landing phase was initiated. After second approach, the aircraft again touched down on runway 26 and bounced consecutively three times, before coming to rest on the runway after the fourth touchdown.

Probable Cause:

Probable Cause: The probable cause of this accident is attributed to inappropriate aircraft landing technique and not
following the bounced landing recovery procedure i.e., delayed flare, high speed at touchdown and delay in initiating a "Go-Around".
Contributory factors for this accident were lack of situational awareness and lack of commitment to initiate a "Go-Around" after experiencing a significant bounce.

Accident investigation:

Investigating agency: AAIB India
Status: Investigation completed
Duration: 1 year and 4 months
Accident number: final report
Download report: Final report

Bounced on landing
Tire failure
Runway mishap


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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Kannur International Airport to Hubli Airport as the crow flies is 384 km (240 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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