Drone Aids TransAsia Flight 222 Accident Investigation

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The Taiwan Aviation Safety Council (ASC) successfully deployed a sUAV as part of its investigation into the July 23, 2014 crash of a TransAsia Airways ATR-72-500 on the island of Hoko, west of Taiwan.

Drones for investigations is a growing trend among crash investigators worldwide, due to their ability to access remote locations or to quickly perform a site survey while gathering data at a lower cost than manned aircraft alternatives.

Flight 222 accident investigators used a Scientific Aerospace cyberQuad quadcopter. The drone carried a digital camera and other sensors to survey and map the path of the aircraft during the final seconds of its flight to Magong Airport in Taiwan.

An investigator with the Aviation Safety Council (ASC), Brian Kuo said the drone’s preprogrammed survey took approximately 90 min. to complete which is a more-efficient and less-costly than hiring and equipping a helicopter for the operation.


The ASC, which had been studying the idea of using a sUAS for investigations for several years, originally planned to use the cyberQuad for site surveys of accidents in difficult-to-access remote or mountainous areas. It regularly practices this task in joint drills with Singapore, Japan and other East Asian countries. Many of those countries are also moving ahead with plans for using drones, Kuo said.

The ASC team was sent to Hoko the day after the crash. Although Magong Airport is neither mountainous nor remote, the group opted to take the quadcopter along “to see how well we could finish the site-survey task in a populous area,” Kuo said.

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