Business · 28/09/1998Updated: 10/17/2026 · 1 min read

Twin Commander Aircraft Corporation Models 500-720 Airplanes Subject to New Airworthiness Directive

The FAA has adopted a new airworthiness directive (AD) that requires revising the Airplane Flight Manual to address severe icing conditions, limiting flight control devices, and providing recognition cues for exiting these conditions. The goal is to minimize hazards associated with operating these airplanes in severe icing conditions.