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Boeing MCAS system, how it works

Posted by Ihsanush Shabri Post a Comment
boeing 737 max 10
Aviation Business Management - Boeing Aircraft
iShabriPedia.us Lion Air Boeing Aircraft B737 MAX where crash in Karawang still investigate by Indonesian Investigators, Lion Air Boeing 737 MAX 8 with Flight Number JT610 dived vertically into the sea in Java. That aircraft  fly in the air just about 11 minute and taking 189 people on board, including babies and children. Worst stories  on aviation business.

In this case, the Investigators will investigation the new system on the 737 series of jets.
The great system called Maneuvering Characteristics Augmentation System (MCAS), basically new lines of software that were written into the flight management computers. This system Pushes 

MCAS (Maneuvering Characteristics Augmentation System) System will active if
  • Angle of Attack is High
  • Autopilot is Off
  • Flaps are Up
  • Steeply Turning
MCAS will move stabilizer to Horizontal and trim upward at 0.27 degrees per second and up to 2.5 degress and 9.26 degress in the same time

When The System Active

The System will be active if The Angle of Attcack or AOA are Exceeds a threshold that based on the airspeed and altitude of the aircraft.

Lion Air
One of the Airline company in Indonesia, Lion Air crash had experienced a problem on the flight into Jakarta from Denpasar, Bali in which the displays for the pilot and the co-pilot showed different information on the Pilot Display, according to a preliminary report released this by Indonesian investigators. That problem on the day before the fatal crash and found debris arround Karawang Sea, the Lion Air Flight JT610 or LNI610 aircraft just 10 Minute after leaving Soekrno Hatta International Aiprot bound to Depati Amir Airport, Pangkal Pinang, it was a scheduled domestic flight operated by Lion Air.

Some time After the the Lion Air Flight JT610 crash, Boeing has been release issued a bulletin to airlines that said faulty the airspeed indicators could a “trim the stabilizer have nose down in increments lasting up to 10 seconds.” although the investigation authorities are ongoing for that issue, it appears that the pilots on the doomed flight were fighting with the MCAS system, which interpreted faulty input from an airspeed indicator to mean the plane was in a stall from which it might not recover unless immediate action was taken. The MCAS responded by directing the nose down.
Location: United States

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