Business · 21/09/1995Updated: 10/18/2026 · 1 min read
Twin Commander Issues Airworthiness Directive for 680, 681, 690, and 695 Series Airplanes
Summary
Twin Commander Aircraft Corporation has issued an airworthiness directive requiring the installation of a placard warning pilots to observe turbulent air penetration speeds on certain Model 690 airplanes, following two accidents involving high-speed turbulence during descent.