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Cockpit recorder of ill-fated flight brought to Delhi

The crucial devices of Air India Express aircraft that crashed on Saturday, including the Cockpit Voice Recorder (CVR), which could provide vital clues were brought here tonight to analyse the cause of the accident that claimed 158 lives.



New Delhi: The crucial devices of Air India
Express aircraft that crashed on Saturday, including the
Cockpit Voice Recorder (CVR), which could provide vital clues
were brought here tonight to analyse the cause of the accident
that claimed 158 lives.

A team of investigators, led by Director General Civil
Aviation S M A Zaidi, landed at Delhi along with CVR and other
relevant equipment.

The CVR and the Digital Flight Data Acquisition Unit
(DFDAU), which record the cockpit audio and most of the
aircraft`s technical details, were taken to the headquarters
of Directorate General of Civil Aviation (DGCA) here for
analysis, official sources said.

The search for another key device, the Flight Data
Recorder, continued at the Mangalore crash site through the
day.

The CVR and the DFDAU, which were retrieved from the
debris in a burnt condition, would be analysed by officers of
the DGCA`s Air Safety Division. While the CVR captures radio
transmissions and sounds in the cockpit such as the pilots`
voices and engine noise, the DFDAU records all parameters of a
short-duration flight.

However, since the two crucial devices are damaged,
efforts would be made to take the electronic chips of the CVR
and insert them in a serviceable unit in order to retrieve the
information, the sources said.

Analysis of CVR and DFDAU is expected to take at least a
fortnight, while the analysis of all records and documents
collected would take a couple of weeks, they said.

Meanwhile, a preliminary replay and analysis of the audio
taped conversation between the Air Traffic Control at the
Bajpe Airport and the pilots of the Boeing 737-800, moments
before the crash has been carried out, they said.

Four teams of investigators from engineering, operations,
ATC and aerodrome units made several rounds of inspection of
the wreckage, the runway and the adjoining areas of the
accident site.

These teams have also collected a large number of material
for evidence through extensive search of the aerodrome, runway
and navigational facilities, the sources said.

An official statement had yesterday said that though the
CVR was "affected by fire, it is expected to yield the desired
information".

The teams have already taken over all records pertaining
to the aircraft and the air crew for investigations, the
sources added.

PTI

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