The upgrade is required for all three flight-control computers on the twinjet ... Analysis of the problems also turned up “design deficiencies” in the software, says the directive.

Thales’ Fly-by-Wire solution automatically calculates and adjusts the positions of the control surfaces during flight.

Still, joysticks are tons of fun, and below are the best PC joysticks that we've personally tested, from proper flight sim sticks to more casual controllers for aerial japes. Dave has had his pick ...