Published: Thu, November 08, 2018
Global | By Craig Ferguson

Lesson from Air France crash in Lion Air probe

Lesson from Air France crash in Lion Air probe

Lion Air is one of the youngest airlines in Indonesia but has rapidly grown, expanding its flights in Southeast Asia.

Boeing said its bulletin, sent to airlines on Tuesday, reiterates guidelines on how pilots should respond to erroneous data from an "angle of attack" sensor following the Oct 29 crash that killed 189 people.

Indonesian authorities have downloaded information from the flight data recorder that showed a cockpit indicator on the Lion Air jet was damaged for its last four flights.

Rusdi Kirana, Lion Air's co-founder, was not invited to speak by Transport Minister Budi Karya Sumadi, who moderated the meeting between relatives and the officials who are overseeing the search effort and accident investigation.

Aircraft and engine manufacturers routinely send bulletins to air carriers noting safety measures and maintenance actions they should take, majority relatively routine.

Air Canada announced last December that its 737 Max aircraft had just started operating and was carrying passengers between Vancouver, Calgary, Edmonton, Toronto and Montreal.

Such an issue arose in 2016 at Rostov-on-Don Airport in Russia when a FlyDubai 737-800 nosed over and slammed into the runway at a steep angle, according to an interim report by Russian investigators.

Authorities previously confirmed that the pilots flying the same plane on another route the day before the crash had experienced technical issues.

Boeing declined to comment when contacted by Reuters. The bulletin, which will be released as early as Wednesday morning Jakarta time, will alert pilots to follow an existing procedure to handle the problem, the person said.

"I'm still of the opinion that losing airspeed on the airplane shouldn't result in losing the airplane", Cox said. The committee said they were dealing with an erroneous airspeed indication.

This isn't to say that the Lion Air crew was necessarily in the latter group-despite safety problems in the past with this airline, this specific crew may have absolutely been first-rate aviators, yet still suffered the same fate-but the fact is that we're in an era of increasing automation in aviation that's still 100 percent overseen by human pilots.

"When you see recurring problems, it says the normal easy fixes aren't solving it", he said. The audio device may be crucial to unraveling what happened during the flight's final moments.

Erratic speed and altitude on the plane's previous flight, from Denpasar on Bali to Jakarta, were widely reported and "when we opened the black box, yes indeed the technical problem was the airspeed or the speed of the plane", Mr. Tjahjono told a news conference.

Both flights crashed shortly after takeoff.

The plane was only a few months old and had logged a total of 19 flights and 800 flying hours.

Meanwhile, Lion Air Corporate Strategic Communications Danang Mandala Prihantoro said that its company always adheres to the standard operation periodic checks that include pre-flight check, transit check, and post-flight check which determines an aircraft's "safe to fly" status prior to taking off.

In the Air France accident, all three primary and two backup airspeed-reading systems failed.

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