Operators of Bombardier Challenger 600s are being instructed to carry out repetitive operational tests of the flap-control system following an uncommanded flap-extension incident. The root cause of ...

Embraer plans to begin retrofitting the Phenom 100s already delivered in the USA with new flap control unit logic and other upgrades from April to correct problems at the centre of a Brazilian ...

A flap controller needs current limiting to protect the motor when the flap reaches full closure. A small incandescent lamp can perform this task without the need for more costly limit switches or a ...