Jet Airways AT72 at Chandigarh on Mar 2nd 2012, bounced hard landing and go around

Last Update: November 30, 2015 / 16:38:35 GMT/Zulu time

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Incident Facts

Date of incident
Mar 2, 2012

Classification
Report

Flight number
9W-2821

Departure
Jaipur, India

Aircraft Registration
VT-JCV

Aircraft Type
ATR ATR-72-200

ICAO Type Designator
AT72

A Jet Airways Avions de Transport Regional ATR-72-212A, registration VT-JCV performing flight 9W-2821 from Jaipur to Chandigarh (India) with 28 passengers and 5 crew, performed a VOR/DME approach to Chandigarh's runway 29, the captain (43, ATPL, about 8500 hours total, about 5500 hours on type) was pilot flying, the first officer (23, CPL, 1357 hours total, 1104 hours on type) was pilot monitoring. Winds were reported at 12 knots from 320 degrees, visibility was reported at 8000 meters in clear skies. Vref was computed at 99 KIAS, considering 14 knots headwind component the crew computed their Vapp at 103 KIAS. During final approach the speed remained between 122 and 128 KIAS however, 20 knots above Vapp, until 30 feet AGL, the power levers were not retarded during the flare. As result the aircraft touched down nose gear first, pitch 1.93 degrees nose down, followed by right main gear resulting in a vertical acceleration of +1.51G, the aircraft bounced, touched down a second time two seconds later at +1.68G, bounced again and touched down a third time 3 seconds later at +2.68G, then the captain initiated a go around. A second approach was flown, again the captain maintained an airspeed around 122 KIAS until flare and again did not retard the power levers, this time the aircraft however settled on the runway after one bounce for a landing without further incident and taxied to the apron.

The crew reported a hard landing, an engineering examination found damage to the right hand nose wheel with the nose wheel flange damaged and about 90% of the nose wheel hub missing from the inboard section of the wheel. A detailed examination identified the right wheel axle sleeve was also damaged. Both nose gear and right main gear struts exceeded their structural limits and were replaced on aircraft manufacturer recommendation.

India's DGCA released their final report concluding the probable cause of the serious incident was:

During final approach and landing the commander maintained aircraft speeds much higher than Vapp with pitch attitude low and pitch trim setting nose down which resulted into a couple of bounces during landing and subsequently pilot did a go around.

The commander maintaining power levers much above idle power during flare is the contributory factor to the incident.

The DGCA analysed that no factors regarding the aircraft or weather contributed to the serious incident.

The DGCA analysed: "the commander carried landing at high speed well above the Vapp speed, pitch attitude was low and pitch trim setting was nose down which resulted into couple of bounces during landing and subsequently into a go around. Hence handling of the aircraft by Commander is a contributory factor to the incident. ... Though the calculated Vapp speeds as per the bug card was 103 kts, the pilot maintained speeds much above Vapp as it is evident from DFDR. From 1000ft radio altitude onwards to touch down the speed kept varying between 128 knots to 122 knots which was 20 kts plus above the Vapp with negative pitch attitude till landing. Further the power levers were not retarded during flare height and were kept at 430 which was much above the idle power. Since the pilot maintained high speed with negative pitch and power levers not retarded, before he could initiate flare the aircraft nose landing gear and the right main landing gear made a touchdown on the runway surface and subsequently resulted into a bounce landing. Thereafter the pilot initiated a go around as per the bounce recovery procedure. During the second approach and landing the pilot again maintained high speeds during flare with negative pitch attitude which again resulted into a bounce landing and thereafter aircraft settled down on the runway."
Incident Facts

Date of incident
Mar 2, 2012

Classification
Report

Flight number
9W-2821

Departure
Jaipur, India

Aircraft Registration
VT-JCV

Aircraft Type
ATR ATR-72-200

ICAO Type Designator
AT72

This article is published under license from Avherald.com. © of text by Avherald.com.
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