Hainan Airlines B738 at Changsha on Aug 18th 2008, veered off runway on landing
Last Update: April 7, 2020 / 17:25:59 GMT/Zulu time
Incident Facts
Date of incident
Aug 18, 2008
Classification
Incident
Airline
Hainan Airlines
Flight number
HU-7227
Departure
Haikou, China
Destination
Changsha, China
Aircraft Registration
B-5338
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
Airport ICAO Code
ZGHA
The airport had to be closed for 6 hours.
It is currently suspected, that the airplane landed long, couldn't stop before the runway end, so that the crew attempted to pull the airplane out to the taxiway, but didn't make the turn and got stuck in the lawn instead.
On Apr 6h 2020 The Aviation Herald received a private copy of the final report in Chinese (which thus can not be published) concluding the probable causes of the serious incident were:
The crew's violation of company standard operating procedures, judgement errors during landing and rollout, improper handling, failure to reduce speed to safety. The serious incident was caused by the speed of taxiing which caused the aircraft to veer off the runway.
The crew performed an approach to runway 18 in instrument meteorologic conditions and touched down normally, speed as well as touch down point were normal at the time of first ground contact. Autobrakes engaged, reverse thrust was selected and reverse thrust was applied. The crew knew, that due peristent works in progress they needed to vacate the runway at the end. In order to reduce the runway occupation time the crew disengaged autobrakes and reverse thrust at 80 knots. The aircraft rolled towards the end of the runway approaching the end at about 45 knots. When the crew applied manual brakes they could no longer prevent the aircraft from exiting the runway to the right onto soft ground. The crew requested assistance from the ground.
Ground tracks indicate that the nose wheels were deflected to the right about 60 meters short of the runway end, the aircraft went past the runway end and to the right off the runway at about 45 degrees angle to the extended runway center line until coming to a stop with all gear (nose gear and both main gear) on grass crushing a runway end light in the process. The right main gear came to a stop in mud, about 2 thirds of the wheels sank into the mud, the right engine remained just 5cm above the ground. A rescue vehicle crushed an approach light while responding to the incident.
The airport performed a runway friction test following the incident and measured an average friction coefficient of 0.58.
Metars:
ZGHA 180400Z 22003MPS 4000 BR SCT010 BKN020 26/25 Q1011 NOSIG
ZGHA 180300Z VRB01MPS 3500 -RA BR SCT007 SCT050 25/24 Q1011 NOSIG
ZGHA 180200Z VRB01MPS 3000 -RA BR SCT007 BKN033 24/23 Q1011 NOSIG
ZGHA 180100Z 00000MPS 2500 -RA BR SCT007 BKN033 23/23 Q1012 NOSIG
ZGHA 180000Z 24002MPS 210V280 1600 -RA BR BKN033 23/23 Q1011 NOSIG
Incident Facts
Date of incident
Aug 18, 2008
Classification
Incident
Airline
Hainan Airlines
Flight number
HU-7227
Departure
Haikou, China
Destination
Changsha, China
Aircraft Registration
B-5338
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
Airport ICAO Code
ZGHA
This article is published under license from Avherald.com. © of text by Avherald.com.
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