ation consulting fir

ew engines are positione▓d closer to the fuselage, changing the aircra▓ft's aerodynamics and pushing the nose up

m in Washi▓

ngton and

former chair

in certain conditions.Boeing created MCAS to make the new Max planes handle more like previous versions o

man of the N

TSB, said it

f ▓the 737, a popular model used by airlines▓ around the world. Some in the aircraft industry, including p

's unclear h

ow the

ilots, have said Boeing did not provide adequate notice of the new plane's flight characteristics or ho▓w

FAA's ne▓w

panel wil

to shut off the new anti-stall devi▓ce if necessary. A group of pilots indepe▓ndently compiled and circulat

l mesh with


ed a 13-page manual about the new system. Others ha▓ve said Boeing provided adequate notice of t▓he change


ons of Boeing l

s and how to disable MC▓AS.The version of MCAS installed on the Ethiopian Airlines plane had relied on▓ in

aunched by t

he US insp

l review te?/h2>

If the nose of the Boeing Max 8 model rise▓s, threatening a midair stall, the MCAS

system aut

omatically p

e's nose down?/h3>

five months apart — report▓edly declined to buy two add-on safe

ty devices that might have helped the pilots kee

p the doomed planes in the sky.Neither airline purchased t

?to gain speed

he "angle of attack" system

display for readings

of two sensor