Myanma MA60 at Monghsat on May 16th 2013, runway excursion
Last Update: November 1, 2017 / 19:54:14 GMT/Zulu time
Myanma Airways reported that the aircraft suffered a brakes failure.
No Metars are available, the local weather station reported light variable winds, scattered cloud and temperature 34 degrees C at the time of the accident.
Monghsat offers a runway 12/30 of 1525 meters/5000 feet length.
Myanmar's Accident Investigation Bureau (MAIB) released their final report concluding the probable causes of the accident were:
- During landing roll FO retracted PIA to GI position, its remain above Ground Idle position (36.8/ 36.6) degree. After (18) seconds flap position changed to retract and both engines torque start to increase.
- Aircraft IAS unable to rapid decelerate during crews applied braking.
- Both crews are not initiated power lever reversing position.
- Crews need multi-crew operation.
The MAIB reported the first officer (35, ATPL, 3,414 hours total, 1,871 hours on type) was pilot flying, the captain (54, ATPL, 9,066 hours total, 2,377 hours on type) was pilot monitoring.
The aircraft performed a stabilized approach to runway 12, flaps were deployed to 30 degrees, gear was down. The aircraft touched down at 114 KIAS at 288 fpm rate of descent, but overran the end of runway 12, collided with a tree stump at 40 knots and crossed a water drainage about 110 meters past the end of runway 12, after the collision the aircraft rotated 80 degrees to the left and came to a stop 240 meters past the runway end. One passenger received a serious, another a minor injury, the aircraft sustained substantial damage.
The MAIB analysed:
Although aircraft touchdown normally within 1000-ft from runway 12 threshold, aircraft speed cannot reduce and over run from runway 30. According FDR data, left and right PLA position were remained 36.8/ 36.6 degree respectively (more than GI position, Flight idle) and after-18 second from touch down, flap position moved 30 to 0 degree. According CVR transcript, PIC need to multi-crew cooperation and efficiently supervisory on FO at the final approved and landing.
This article is published under license from Avherald.com. © of text by Avherald.com.
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