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Old July 10th, 2012, 05:37 PM   #61
hkskyline
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Tue, Jul 10, 2012
Taipei Times with CNA
Birds of a feather stick — to airplane engines
AIRBORNE THREAT:Officials say the proximity of Taoyuan airport to a key migratory bird habitat could be causing the weekly collisions

Taiwan Taoyuan International Airport saw at least one aircraft-bird collision per week last year, the highest rate it has recorded in six years, the Flight Safety Foundation-Taiwan said yesterday.

From 2006 to last year, there were 155 reports of bird strikes at the airport, 64 of which occurred last year.

The number of bird strikes at the airport last year was 2.3 times the number seen in 2010 when 28 cases were recorded, and five times the number in 2006 when there were only 13 cases.

Of the 64 incidents reported last year, seven resulted in aircraft damage, the foundation said.

The foundation said the high number of bird strikes at the airport could be related to its proximity to Taiwan’s west coast, a habitat for migratory birds. In addition, there are many fish ponds and an abandoned military airport runway nearby, which are attractive breeding grounds for birds, the foundation said.

The situation not only poses a serious risk to flight safety, but also leads to an unnecessary increase in operational costs for the aviation industry, the foundation added.

Over the past five years, Taiwan recorded 128 cases of aircraft damage caused by bird strikes, 61.1 percent of which involved the aircraft’s engines.

Also, bird strikes caused 56 incidents in which aircraft were either forced to return to the airport, abandon takeoff or make an emergency landing.

Other problems caused by bird strikes included the temporary closure of runways and the forced cancelation of flights.

According to airline executives, it can cost NT$400,000 (US$13,300) to replace an engine blade and more than NT$10 million to replace an entire engine.

Meanwhile, losses caused by flight delays can reach up to NT$400,000 per hour, while the cost involved in arranging new flights for affected passengers can top NT$100,000 per person, the executives said.

Faster than a speeding plane

‧ From 2006 to last year there were 155 reports of bird strikes at Taoyuan.

‧ Over the past five years, bird strikes have forced 56 aircraft to return to Taoyuan, abandon takeoff or carry out an emergency landing.
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Old August 25th, 2012, 04:20 PM   #62
hkskyline
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Airports in joint action to prevent bird strikes
Shanghai Daily
Aug 25, 2012

AIRPORT authorities in Shanghai, Beijing and Guangzhou are employing new methods of scaring away birds after a number of collisions with aircraft recently.

The new methods they have jointly developed include splashing insecticide near runways to kill insects so there is no food for birds to look for and releasing a special repellent with a smell birds can't stand, the Shanghai Airport Authority said yesterday.

Other measures employed include playing recordings of natural predators and setting off explosive charges. Nets are being installed to prevent birds approaching in search of water or food.

"The bird-strike conditions are under control at the city's Hongqiao and Pudong international airports," the authority said.

Bird strikes are among the most common problems, occurring when birds and aircraft collide during takeoff or landing. If the birds are sucked into engines, there can be serious malfunctions.

At least three collisions between birds and passenger aircraft have happened at the Pudong airport since July, forcing planes to change their flight schedules and causing delays.

In the latest case, United Airlines canceled its UA858 flight to San Francisco due to a bird strike on Tuesday.

The bird hit and damaged the engine of the Boeing 747 aircraft when it was taxiing before takeoff.

In another case, a Spring Airlines flight was forced to make an emergency landing last Saturday after colliding with a bird a few minutes after it took off. One of the plane's two engines was damaged.

Bird strikes happen often in summer in coastal cities such as Shanghai when birds are arriving to breed, said Chen Zhi, a manager with China Eastern Engineering and Technology Co.

Chen said noise from aircraft engines would frighten birds into flight, increasing the risk of a collision.

At the Pudong airport, herons can be seen flying beside the aircraft. The recent Typhoon Haikui destroyed nests, prompting the birds to move closer to the airport, the airport authority said.

Yuan Xiao, deputy director of the Shanghai Wildlife Conservation Station, said the airport was built next to the herons' wetland home.
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