We will also look at the " Impossible Turn'" the situation a pilot faces when experiencing engine failure immediately after departure and why the turn back to the runway is rarely successful.  We will also hear from John Keith, Arizona's CFI of the Year about an engine malfunction after maintenance and how he prepared and handled the situation.    Helicopter Vortices can be as severe as aircraft wake vortices.  We will review and discuss FAA recommended procedures for mitigating aircraft upset from this dangerous phenomenon.