What is the maximum structural cruise speed (Vno) in KIAS?

The maximum structural cruise speed, indicated as Vno, is an important airspeed limitation that indicates the maximum speed at which the aircraft can be safely flown in turbulent air. It is typically represented in knots indicated airspeed (KIAS). Vno is designed to ensure that any maneuvering, especially in turbulent conditions, will not exceed the aircraft's structural limits.

In the context of multi-engine aircraft, Vno is crucial during the cruise phase of flight, as operational strategy often involves managing airspeed for efficiency and safety. Exceeding this speed could lead to structural stress and potential failure, particularly if the aircraft encounters turbulence.

For the correct answer of 169 KIAS, this specific value aligns with the characteristics and performance limitations typical of various multi-engine aircraft, ensuring that pilots operate within safety parameters.

Understanding Vno helps pilots maintain awareness of their aircraft's capabilities and limitations, reinforcing the importance of adhering to specified airspeed limits for both safety and aircraft longevity.