Final answer:
The VNE indicator strip expands counterclockwise to display a reduced VNE IAS value when a malfunction, which compromises aircraft structural integrity at high speeds, is detected. This warning is known as 'red tape' or a 'red ribbon' and requires pilots to reduce speed to ensure safety.
Step-by-step explanation:
The student's question pertains to a specific scenario in aviation where the VNE indicator strip on an aircraft's airspeed indicator expands wider in a counterclockwise direction, indicating a reduced VNE (Velocity Never Exceed) Indicated Airspeed (IAS) value. This happens when a particular type of malfunction is detected. In aviation, this visual warning is sometimes referred to as red tape or a red ribbon.
The VNE is the maximum speed at which an aircraft is certified to fly under any operation conditions without risking structural damage.
Usually, this condition is triggered when an aircraft has been configured in such a way that would compromise its structural integrity at high speeds, for example, with extended flaps or landing gear, icing conditions that affect aerodynamics, or other factors that affect the aircraft's maximum safe airspeed.
The adjustment of the VNE indicator serves as a cautionary reminder to the pilot to reduce speed so as to prevent potential overstressing of the aircraft structure. It's crucial that pilots adhere to the modified VNE indicated by the expanded red tape to ensure flight safety.
Any pilot or aviation maintenance technician needs to understand the importance of VNE and the potential consequences of exceeding it. Proper training and vigilance are required to recognize and respect the indications provided by the airspeed indicator and the VNE indicator strip specifically.