Boeing issues safety bulletin after Lion Air crash

Boeing issues safety bulletin after Lion Air crash

FAA directives are usually followed by other airline regulators internationally.

Separately, Boeing has issued an Operations Service Bulletin to all B737 MAX 8 operators to warn pilots of the procedures to be taken in the event angle of attack sensors generate erroneous indications.

The 737 Max 8 aircrafts that the company makes could be getting incorrect input from their "angle of attack" sensor, which is the angle of the airplane or its wings compared to wind.

Following the fatal crash of a Lion Air jet in Indonesia last week, Boeing has issued a warning to airlines operating its new 737 MAX about what to do in the event of an "angle-of-attack" sensor failure and avoid a risky nose-dive.

The bulletin is based on preliminary findings from the Lion Air disaster. Simply put, it means that if there is an erroneous AOA input-one that indicates the aircraft has a high AOA and so is close to a stall-the aircraft system would respond by automatically bringing the aircraft nose down so as to increase the airspeed and prevent a stall.

The almost new Boeing Co. The stock had climbed 24 percent this year through Tuesday.

On that October 28 flight, from Bali to Jakarta, the pilot's and copilot's sensors disagreed by about 20 degrees.

The committee has said they were dealing with an "erroneous airspeed indication".

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A crucial sensor was swapped on a Lion Air jet just one day before it plunged into the sea, killing all 189 people on board.

A Boeing spokesman said an investigation into the deadly crash revealed the faulty sensor.

Boeing test pilot Jim Webb gives a thumbs-up from the cockpit of a 737 MAX 7 at Boeing Field, on March 16, 2018 in Seattle, Washington, after completing the plane's first flight. "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. They have departed using a different aircraft registration PK-LHM. But the urgency of a fatal accident can trigger a flurry of such notices. The FAA said it was mandating that airlines follow the Boeing bulletin.

The Federal Aviation Administration also plans to issue an airworthiness directive for the plane in question. If there is an "uncommanded nose-down stabilizer trim" on the Max, pilots can counteract it by pushing a switch on their control yoke.

The angle of attack is incredibly important.

"The AMC officer is a person from the airport management and is being examined by the relevant party".

He said the pilot had landed the plane safely on that occasion.

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