FAA Grounds All Cirrus Vision Jets over Angle of Attack Issues

The AD was prompted by three incidents on Cirrus Model SF50 airplanes of the stall warning and protection system (SWPS) or electronic stability and protection (ESP) system engaging when not appropriate, with the first incident occurring in November and the latest this month. The agency said, “The noted condition presents an immediate danger to pilots and passengers of Cirrus Design Corporation Model SF50 airplanes because an uncommanded pitch down may be difficult to recover from in some flight regimes with potentially fatal consequences. The AD explained that the “SWPS or ESP systems may engage even when sufficient airspeed and proper angle of attack (AOA) exists for normal flight.

Source: www.flyingmag.com