V speeds: Difference between revisions

| Never exceed speed.<ref name="faacfr"/><ref name="TCAIM"/><ref name="Peppler" /><ref name="Bell212">Bell Helicopter Textron: ''Bell Model 212 Rotorcraft Flight Manual'', page II. Bell Helicopters Textron Publishers, Fort Worth, Texas, Revision 3, 1 May 1998. BHT-212IFR-FM-1</ref> In a helicopter, this is chosen to prevent [[retreating blade stall]] and prevent the advancing blade from going [[supersonic]]. In fixed wing aircraft, exceeding this value may induce aerodynamic forces that exceed the limits of the airframe's structural capacity, causing in-flight breakup.