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Black box content unveiled, mystery of plane crash unsolved
Taipei, June 23: The crash of China Airlines Boeing 747-200 last month, which killed 225 people, remained a mystery even after officials today made public the cockpit voice recorder data.
Taipei, June 23: The crash of China Airlines Boeing 747-200 last month, which killed 225 people, remained a mystery even after officials today made public the cockpit
voice recorder data.
The Aviation Safety Council (ASC), which is investigating the air tragedy, said abnormal sounds were recorded on the Cockpit Voice Recorder (CVR), but declined to specify the cause of the crash. The Hong Kong-bound aircraft carrying 206 passengers and 19 crew experienced "inflight breakup" when ascending above 30,000 metres, some 20 minutes after taking off from Taipei's international airport. The recording, which lasted for 31 minutes and 56 seconds, suggests the flight had been normal until 17 minutes and 53 seconds, ASC chief Kay Yong told reporters.
"For about three seconds the cockpit voice recorder did not show any signals," Yong said. "Then the recordings resumed with the environmental noises reduced."
"Then in the 18th minute, we heard the sound of 'da' 'da'." The pilots' last dialogue with Taiwan's air controllers ended at 20 minutes 24 seconds of the recording.
The ASC investigators also heard a series of noises sounding like "ka da" followed by noises sounding like heart-beats, seven times.
"We thought these noises are not sounds during the process of plane operation. But still we don't know what they are," Yong said. Then the noises sounding like "ka da" had been recorded four times before the recorder immediately stopped, he said.
Bureau Report
The Aviation Safety Council (ASC), which is investigating the air tragedy, said abnormal sounds were recorded on the Cockpit Voice Recorder (CVR), but declined to specify the cause of the crash. The Hong Kong-bound aircraft carrying 206 passengers and 19 crew experienced "inflight breakup" when ascending above 30,000 metres, some 20 minutes after taking off from Taipei's international airport. The recording, which lasted for 31 minutes and 56 seconds, suggests the flight had been normal until 17 minutes and 53 seconds, ASC chief Kay Yong told reporters.
"For about three seconds the cockpit voice recorder did not show any signals," Yong said. "Then the recordings resumed with the environmental noises reduced."
"Then in the 18th minute, we heard the sound of 'da' 'da'." The pilots' last dialogue with Taiwan's air controllers ended at 20 minutes 24 seconds of the recording.
The ASC investigators also heard a series of noises sounding like "ka da" followed by noises sounding like heart-beats, seven times.
"We thought these noises are not sounds during the process of plane operation. But still we don't know what they are," Yong said. Then the noises sounding like "ka da" had been recorded four times before the recorder immediately stopped, he said.
Bureau Report