Lion Air Investigation Continues

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Divers have recovered the flight data recorder of the Boeing Max 8 that crashed in Indonesia last week, and investigators say it shows the airplane had indicated inaccurate airspeed readings for three days before the crash, The New York Times has reported. CNN said Indonesian officials are working with Boeing and safety experts to further investigate the airspeed indicator issue. “We think this is an issue that is important because there are more than 200 Max planes around the world,” Capt. Nurcahyo Utomo, the transportation safety committee’s lead accident investigator, told the Times. However, the Times noted, there has been no evidence of widespread problems with airspeed indicators in the Max 8 fleet.

Meanwhile, the search operation to recover the passengers, crew and the airplane’s cockpit voice recorder is ongoing. Lion Air said at its website on Tuesday that the remains of 27 of the 189 missing have been positively identified. Due to the force of the crash into the sea, so far no bodies have been found intact. One of the more than 100 divers working at the crash site has died, CNN reported. Syahrul Anto, 48, was reported missing by his diving partner on Friday. He was quickly found unconscious and brought to shore, where he was attended by doctors, but did not recover.

Comments (3)

There are 3 indepandent airspeed indicators on the aircraft. Unreliable airspeed procedures are in place to help a crew identify an unreliable indicator, as well as to safely complete a flight with all indicators inop. This, of course, is totally at the outer limit of acceptable performance with the given that there were indicator problems on previous flights. As a pilot and A&P I find this totally unacceptable aircraft dispatch.

Posted by: Mauro Hernandez | November 7, 2018 7:16 AM    Report this comment

@Mauro, I would suggest to wait for the results of the investigation. Accidents like this are generally not the result of a single point of failure but rather involve multiple factors.

Posted by: Richard Brink | November 7, 2018 7:26 AM    Report this comment

Multiple factors...that is for shure. If you look at what is being published so far, there are issues with airspeed indications, AOA data, and automation reacting to the erroneous data. A confusing scenario requiring good crew management and flying skills. By dispatching an aircraft with a recurring history on this matter the "multiple factors" stack up to an ever bigger pile and puts a crew behind the "power curve" from the very start. Yes, the investigation shouldbwill bring clarity to exactly what happened. In the mean time aviators and technicians must be aware that knowing what is the cause/consequence of a write-up in a tech log should be very clear before proceeding.
And with many operations the time pressure to keep a schedule can be very high...

Posted by: Mauro Hernandez | November 7, 2018 4:41 PM    Report this comment

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