This video grab taken on July 23, 2014 shows medical workers conduct rescue work on people hurt during an emergency landing accident in southeast China's Taiwan. An ATR-72 airliner of Taiwan's TransAsia Airways, which carried 54 passengers and four crew members, was flying from Kaohsiung to Penghu, where it made an emergency landing, on Wednesday.  (Xinhua)

This video grab taken on July 23, 2014 shows a survivor of an emergency landing accident in southeast China's Taiwan. An ATR-72 airliner of Taiwan's TransAsia Airways, which carried 54 passengers and four crew members, was flying from Kaohsiung to Penghu, where it made an emergency landing, on Wednesday.  (Xinhua)

This video grab taken on July 23, 2014 shows rescuers conduct rescue work at the site of an emergency landing accident in southeast China's Taiwan. An ATR-72 airliner of Taiwan's TransAsia Airways, which carried 54 passengers and four crew members, was flying from Kaohsiung to Penghu, where it made an emergency landing, on Wednesday.  (Xinhua)

This file photo taken in June, 2009 shows the ATR-72 airliner of Taiwan's TransAsia Airways which had an emergency landing in Penghu, southeast China's Taiwan, on July 23, 2014. The airliner which carried 54 passengers and four crew members was flying from Kaohsiung to Penghu, where it made an emergency landing, on Wednesday. (Xinhua)

This file photo taken in June, 2009 shows the ATR-72 airliner of Taiwan's TransAsia Airways which had an emergency landing in Penghu, southeast China's Taiwan, on July 23, 2014. The airliner which carried 54 passengers and four crew members was flying from Kaohsiung to Penghu, where it made an emergency landing, on Wednesday.  (Xinhua)

Relatives of passengers onboard TransAsia Airways' flight GE222, which ended up in a failed emergency landing, are seen at Kaohsiung International Airport in Kaohsiung, southeast China's Taiwan, July 23, 2014.  The twin-engine ATR-72 turboprop aircraft was carrying 54 passengers and four crew. The plane was traveling from Kaohsiung in southern Taiwan to Penghu Islands in the west. (Xinhua)

Relatives of passengers onboard TransAsia Airways' flight GE222, which ended up in a failed emergency landing, are seen at Kaohsiung International Airport in Kaohsiung, southeast China's Taiwan, July 23, 2014. The twin-engine ATR-72 turboprop aircraft was carrying 54 passengers and four crew. The plane was traveling from Kaohsiung in southern Taiwan to Penghu Islands in the west. (Xinhua)

A woman watches TV reporting on an emergency landing of an ATR-72 airliner of Taiwan's TransAsia Airways in Taipei, southeast China's Taiwan, July 23, 2014. An ATR-72 airliner which carried 54 passengers and four crew members was flying from Kaohsiung to Penghu, where it made an emergency landing, on Wednesday. (Xinhua/He Junchang)

This TV grab taken on July 23, 2014 shows rescuers conduct work at the site of an emergency landing made by Taiwan's TransAsia Airways on the outlying island county of Penghu, southeast China's Taiwan. (Xinhua)

This file photo taken in July, 2010 shows an ATR-72 airliner of Taiwan's TransAsia Airways. An ATR-72 airliner which carried 54 passengers and four crew members was flying from Kaohsiung to Penghu, where it made an emergency landing, on July 23, 2014. (Xinhua)