The American Airlines manual’s two-page description of trim controls ... the anti-stall system activates. MCAS then tilts the smaller wing (horizontal stabilizer) in the tail of the aircraft ...

While MCAS became widely known for its role on the 737 MAX, the system had already appeared on another Boeing aircraft before ...

The preliminary crash findings show pilots followed all recommended procedures. Investigators in Ethiopia have released the preliminary report on the Ethiopian Airlines Boeing 737 Max 8 crash last ...

Embraer Defense and Security has chosen Sagem’s actuator system for the horizontal stabilizer trim system (HSTS) on its KC-390 military transport and tanker aircraft. The first flight of the KC ...

“[But] it would be preferable for the system to utilize three ... meaning pilots would need to rotate a MAX’s trim wheel about 60 times to bring the stabilizer to neutral.

The captain selected the cutout button for the pitch trim system on his yoke ... control switch and two replacements of the horizontal stabilizer actuator control. None of these replacements ...