3 results found (849ms)
Airworthiness Directives; Harbin Aircraft Manufacturing Corporation Model Y12 IV Airplanes
Unsafe Condition: Reports of in-flight incidents and an accident in icing conditions where the airframe pneumatic deicing boots were not activated, leading to reduced controllability due to ice accumulation.
Why matched: Airworthiness Directives; Harbin Aircraft Manufacturing Corporation Model Y12 IV Airplanes
Airworthiness Directives; Harbin Aircraft Manufacturing Corporation Model Y12 IV Airplanes
Unsafe Condition: Operating in severe icing conditions outside the certification envelope may lead to potential hazards due to inadequate flight crew information on recognition and exit procedures.
Why matched: Airworthiness Directives; Harbin Aircraft Manufacturing Corporation Model Y12 IV Airplanes
Airworthiness Directives; Harbin Aircraft Manufacturing Corporation Model Y12 IV Airplanes
Unsafe Condition: Operating in severe icing conditions may lead to reduced aircraft performance, control difficulties, or structural damage due to insufficient procedures and limitations in the FAA-approved Airplane...
Why matched: Airworthiness Directives; Harbin Aircraft Manufacturing Corporation Model Y12 IV Airplanes