Multi Engine Commercial Checkride Practice Test 2025 - Free Multi Engine Pilot License Practice Questions and Study Guide

The maximum structural cruise speed, commonly referred to as Vno, is the maximum speed at which the aircraft can be safely flown in turbulent air. It provides a safety margin that helps prevent structural damage to the aircraft in adverse conditions. This speed is significant because exceeding it can lead to over-stressing the airframe, especially in turbulent situations.

In this context, the choice of 169 KIAS is correct because it falls within a typical range for Vno in many light twin-engine aircraft designs, representing an optimal balance between speed and structural safety. Each aircraft will have its specific Vno according to its design and operational limitations, so it’s essential for pilots to consult the aircraft’s Pilot Operating Handbook (POH) to understand its limitations clearly.

Choosing other values wouldn't accurately reflect typical Vno specifications for aircraft, as they either fall below or above what is commonly recognized for a maximum structural cruise speed in multi-engine training environments.