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By Mike Mitchell |
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May 23, 2010 - Air
India Express, Flight 812 from The B737-800 aircraft accident occurred just after the aircraft landed at Mangalore in which Flight 812 overshot runway 24. There were 160 passengers and six crew members onboard. Of the passengers and crew 166 were killed and 8 hospitalized.
Air The pilot, Captain Zlatko Glusicawith had more than 10,000 hours of flying experience, 3,75 of which were in the aircraft type, was on his landing approach to a challenging and poorly designed hilltop runway, with light pre-monsoon mist on the runway making it a greasy surface with 4 miles reported visibility. It is believed that the pilot overshot the landing threshold and was not at his proper approach speed. A lost of runway surface needed under these conditions to stop (brake) the B737 from overshooting the runway, crashed into a concrete navigational aid called a localizer at the end of the runway. Pilot error is likely the cause. |
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Landing past the threshold may have been a result of a
circular that was issued by the airline about two years ago to its
pilots which states pilots should not touch down on the runway hard
(hard landing) or exceed 1.65G. This rule was set up for passenger
comfort, although the Boeing B737-800 could have withstood up to 2.5G
landing.
A hard landing usually comes from a high rate of decent
from final approach to landing. This meant that it is possible the crew
on Flight 812 may have had to do a longer flare which would have brought
them outside of the touchdown zone. Had the pilot exceeded 1.65G there
is a good chance he would have been confronted by management. |
Mangalore The airport is located on top of a hill, with the runway landing approaches leading up to the extreme edges of the hill sides and thus called a table top runway. The edges of the hill dropping into the valley from a height of about 300 feet to 30 feet within a short distance of just 1,600 ft on the east side of the runway and from about 272 feet to 82 feet on the western side. The airport has two runways; 09/27 which is 5,300 feet of asphalt and runway 06/24 which is 9,515 feet of concrete. Boeing is sending a team to provide technical assistance to the investigation at the invitation of the Indian authorities.
The National Transportation Safety Board is dispatching a team of
investigators to assist the government of NTSB Chairman Deborah A.P. Hersman has designated
Senior Air Safety Investigator Joe Sedor as the U.S. Accredited
Representative. The |
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