Turbulence, by increasing stall speed, necessitates operating below the maneuvering speed V_A.

Turbulence, by increasing stall speed, necessitates operating below the maneuvering speed V_A.

• A. True
• B. False
• C. Not enough information
• D. Only at high altitude

Answer: (A)

In turbulence, gusts create temporary higher load factors on the airframe. Because stall speed increases with load factor (effective Vs grows as Vs0 times the square root of n), the airplane can reach stall more easily in gusty air if you are not careful. Maneuvering speed, V_A, is defined as the speed at which full, abrupt control inputs will not produce loads beyond the design limit. Flying at or below V_A in turbulent conditions keeps gust loads within structural limits and preserves you ability to control the airplane safely. If you stay below V_A, you’re less likely to encounter excessive loads or reach a stall due to gust-induced increases in stall speed.

In turbulence, gusts create temporary higher load factors on the airframe. Because stall speed increases with load factor (effective Vs grows as Vs0 times the square root of n), the airplane can reach stall more easily in gusty air if you are not careful. Maneuvering speed, V_A, is defined as the speed at which full, abrupt control inputs will not produce loads beyond the design limit. Flying at or below V_A in turbulent conditions keeps gust loads within structural limits and preserves you ability to control the airplane safely. If you stay below V_A, you’re less likely to encounter excessive loads or reach a stall due to gust-induced increases in stall speed.