Economy

Indonesia urges more training for pilots after Lion Air crash

Indonesia urges more training for pilots after Lion Air crash”

The automated stall-prevention system on Boeing 737 MAX 8 and MAX 9 models can 'under unusual conditions push it down unexpectedly so strongly that flight crews can't pull it back up'.

The US aviation regulator will probe the safety analyses performed over the years by Boeing.

Boeing said it is confident in the safety of the 737 Max family of jets. That sensor measures air flow over a plane's wings, but its failure can lead to an aerodynamic stall.

Jon Weaks, president of the Southwest Airlines Pilots Association, told Bloomberg, "We don't like that we weren't notified".

"The crew may have been hampered in their efforts to understand the airplane's behavior, and regain control, by the fact that they were missing a key piece of information - the existence of an automatic system that could adjust the trim, even when the airplane's autopilot was switched off", Douglas Harned, an analyst at Bernstein Research, said in a note to clients.

Lion Air did not immediately respond to a request for comment about the WSJ story.

On Oct. 29, Lion Air Flight 610 plunged into the Java Sea shortly after takeoff from Jakarta.

Indonesian authorities confirmed last Wednesday that the angle of attack (AOA) sensor was replaced after a flight from Manado, in North Sulawesi, to Denpasar, Bali, on October 28.

Fox Business Network's Maria Bartiromo asks Boeing CEO Dennis Muilenburg about the Lion Air 737 MAX crash.

The emergency system is meant to manoeuvrer the plane out of a stall, when its nose is often angled too sharply upward.

Investigators said the jet experienced problems on its last four flights - including, crucially, the flight that crashed, according to Soerjanto Tjahjono, the head of the National Transportation Safety Committee (KNKT).

Such a fix would be much less disruptive for airlines and Boeing than the three-month grounding that halted the planemaker's 787 Dreamliner flights in 2013.

The Federal Aviation Administration also issued a number of safety updates following the crash.

Nearly two weeks after the crash, authorities are still searching for the plane's cockpit voice recorder (CVR), which is believed to be buried under deep mud.

It is not clear whether the quick thinking of the pilot on that flight was relayed to the captain of the plane's final flight. It does this by gathering data from the plane's pitot tube and the static port, which essentially compare differentials in the air pressure to arrive at the plane's speed and the altitude. Pilots on a previous flight are reported to have overcome a similar sensor problem.

The pictures show a sharp cut through part of the horizontal stabiliser at the tail of the Air New Zealand plane which was hit while parked at a gate at LA. "People panicked. It dropped about 400 feet", passenger Robbi Gaharu said.

Lion Air said the jet, which was making a 70-minute flight to Pangkal Pinang on an island chain off Sumatra, had one child and two babies on board.



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