USA pilots were also not aware of potential risks, two US pilot unions told Reuters. The Federal Aviation Administration (FAA) said only that it had reiterated its instructions to Boeing for flight manual changes to emphasize how crews should respond to the new flight control system.
Until now, public attention has focused mainly on potential maintenance problems including a faulty sensor for the "angle of attack", a vital piece of data needed to help the aircraft fly at the right angle to the currents of air and prevent a stall. Still, the response from regulators and pilot representatives hints at a broader reckoning in the commercial aerospace industry over one of Boeing's marquee jets, the 737 MAX8.
That aircraft feature is the automated stall-prevention system found on Boeing 737 MAX 8 and MAX 9 models, the Journal reported, citing industry sources including safety experts, aviation regulators and airline pilots. He said the procedures for handling the control issue were "part of the training manual".
Boeing will need to deliver 72 of its single-aisle workhorse in November and again in December to reach its planned build rate, Bloomberg Intelligence analyst George Ferguson said in a report to clients Tuesday.
"We are taking every measure to fully understand all aspects of this incident, working closely with the investigating team and all regulatory authorities involved", Boeing media relations lead Paul Bergman said.
The pilots were attempting to deal with several malfunctions when the crash occurred, the investigators said.
Indonesian transportation officials have said repeatedly that the Max 8 manual being used in the country did not contain crucial information about the new anti-stall mechanism. "We do not like the fact that a new system was put on the aircraft and wasn't disclosed to anyone or put in the manuals", Weaks told the Times.
Lion Air officials said on Monday that they had followed a training regime approved by both USA and European regulators.
Air New Zealand general manager customer experience Anita Hawthorne said it was doing everything it could to assist stranded customers.
Fox Business Network's Maria Bartiromo asks Boeing CEO Dennis Muilenburg about the Lion Air 737 MAX crash.
The crash is said to be a blow to the country's aviation safety record after the lifting of bans on its airlines by the European Union and US.
Indonesia's National Transport Safety Committee is continuing to search for the plane's crash-proof cockpit voice recorder under the sea, it said Monday. "They have increased pilot awareness, they have reminded them of the proper procedure to disable (the automatic nose-down action), which stops the problem". Some time afterwards, the plane plunged into the Java Sea, killing all passengers and crew that were on board. Boeing shipped just 43 last month.
Few details have been released about the underlying causes of the Lion Air crash October 29 in the sea near Jakarta, but Indonesian investigators say that an erroneous sensor prompted the plane's computers to push the aircraft into a steep dive.
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